diff options
Diffstat (limited to 'jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib')
19 files changed, 13557 insertions, 0 deletions
diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/__init__.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/__init__.py new file mode 100644 index 0000000..56a56ba --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/__init__.py @@ -0,0 +1,22 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2012-2013 Vinay Sajip. +# Licensed to the Python Software Foundation under a contributor agreement. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +import logging + +__version__ = '0.1.7' + +class DistlibException(Exception): + pass + +try: + from logging import NullHandler +except ImportError: # pragma: no cover + class NullHandler(logging.Handler): + def handle(self, record): pass + def emit(self, record): pass + +logger = logging.getLogger(__name__) +logger.addHandler(NullHandler()) diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/_backport/__init__.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/_backport/__init__.py new file mode 100644 index 0000000..f7dbf4c --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/_backport/__init__.py @@ -0,0 +1,6 @@ +"""Modules copied from Python 3 standard libraries, for internal use only. + +Individual classes and functions are found in d2._backport.misc. Intended +usage is to always import things missing from 3.1 from that module: the +built-in/stdlib objects will be used if found. +""" diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/_backport/misc.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/_backport/misc.py new file mode 100644 index 0000000..cfb318d --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/_backport/misc.py @@ -0,0 +1,41 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2012 The Python Software Foundation. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +"""Backports for individual classes and functions.""" + +import os +import sys + +__all__ = ['cache_from_source', 'callable', 'fsencode'] + + +try: + from imp import cache_from_source +except ImportError: + def cache_from_source(py_file, debug=__debug__): + ext = debug and 'c' or 'o' + return py_file + ext + + +try: + callable = callable +except NameError: + from collections import Callable + + def callable(obj): + return isinstance(obj, Callable) + + +try: + fsencode = os.fsencode +except AttributeError: + def fsencode(filename): + if isinstance(filename, bytes): + return filename + elif isinstance(filename, str): + return filename.encode(sys.getfilesystemencoding()) + else: + raise TypeError("expect bytes or str, not %s" % + type(filename).__name__) diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/_backport/shutil.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/_backport/shutil.py new file mode 100644 index 0000000..9e2e234 --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/_backport/shutil.py @@ -0,0 +1,761 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2012 The Python Software Foundation. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +"""Utility functions for copying and archiving files and directory trees. + +XXX The functions here don't copy the resource fork or other metadata on Mac. + +""" + +import os +import sys +import stat +from os.path import abspath +import fnmatch +import collections +import errno +from . import tarfile + +try: + import bz2 + _BZ2_SUPPORTED = True +except ImportError: + _BZ2_SUPPORTED = False + +try: + from pwd import getpwnam +except ImportError: + getpwnam = None + +try: + from grp import getgrnam +except ImportError: + getgrnam = None + +__all__ = ["copyfileobj", "copyfile", "copymode", "copystat", "copy", "copy2", + "copytree", "move", "rmtree", "Error", "SpecialFileError", + "ExecError", "make_archive", "get_archive_formats", + "register_archive_format", "unregister_archive_format", + "get_unpack_formats", "register_unpack_format", + "unregister_unpack_format", "unpack_archive", "ignore_patterns"] + +class Error(EnvironmentError): + pass + +class SpecialFileError(EnvironmentError): + """Raised when trying to do a kind of operation (e.g. copying) which is + not supported on a special file (e.g. a named pipe)""" + +class ExecError(EnvironmentError): + """Raised when a command could not be executed""" + +class ReadError(EnvironmentError): + """Raised when an archive cannot be read""" + +class RegistryError(Exception): + """Raised when a registery operation with the archiving + and unpacking registeries fails""" + + +try: + WindowsError +except NameError: + WindowsError = None + +def copyfileobj(fsrc, fdst, length=16*1024): + """copy data from file-like object fsrc to file-like object fdst""" + while 1: + buf = fsrc.read(length) + if not buf: + break + fdst.write(buf) + +def _samefile(src, dst): + # Macintosh, Unix. + if hasattr(os.path, 'samefile'): + try: + return os.path.samefile(src, dst) + except OSError: + return False + + # All other platforms: check for same pathname. + return (os.path.normcase(os.path.abspath(src)) == + os.path.normcase(os.path.abspath(dst))) + +def copyfile(src, dst): + """Copy data from src to dst""" + if _samefile(src, dst): + raise Error("`%s` and `%s` are the same file" % (src, dst)) + + for fn in [src, dst]: + try: + st = os.stat(fn) + except OSError: + # File most likely does not exist + pass + else: + # XXX What about other special files? (sockets, devices...) + if stat.S_ISFIFO(st.st_mode): + raise SpecialFileError("`%s` is a named pipe" % fn) + + with open(src, 'rb') as fsrc: + with open(dst, 'wb') as fdst: + copyfileobj(fsrc, fdst) + +def copymode(src, dst): + """Copy mode bits from src to dst""" + if hasattr(os, 'chmod'): + st = os.stat(src) + mode = stat.S_IMODE(st.st_mode) + os.chmod(dst, mode) + +def copystat(src, dst): + """Copy all stat info (mode bits, atime, mtime, flags) from src to dst""" + st = os.stat(src) + mode = stat.S_IMODE(st.st_mode) + if hasattr(os, 'utime'): + os.utime(dst, (st.st_atime, st.st_mtime)) + if hasattr(os, 'chmod'): + os.chmod(dst, mode) + if hasattr(os, 'chflags') and hasattr(st, 'st_flags'): + try: + os.chflags(dst, st.st_flags) + except OSError as why: + if (not hasattr(errno, 'EOPNOTSUPP') or + why.errno != errno.EOPNOTSUPP): + raise + +def copy(src, dst): + """Copy data and mode bits ("cp src dst"). + + The destination may be a directory. + + """ + if os.path.isdir(dst): + dst = os.path.join(dst, os.path.basename(src)) + copyfile(src, dst) + copymode(src, dst) + +def copy2(src, dst): + """Copy data and all stat info ("cp -p src dst"). + + The destination may be a directory. + + """ + if os.path.isdir(dst): + dst = os.path.join(dst, os.path.basename(src)) + copyfile(src, dst) + copystat(src, dst) + +def ignore_patterns(*patterns): + """Function that can be used as copytree() ignore parameter. + + Patterns is a sequence of glob-style patterns + that are used to exclude files""" + def _ignore_patterns(path, names): + ignored_names = [] + for pattern in patterns: + ignored_names.extend(fnmatch.filter(names, pattern)) + return set(ignored_names) + return _ignore_patterns + +def copytree(src, dst, symlinks=False, ignore=None, copy_function=copy2, + ignore_dangling_symlinks=False): + """Recursively copy a directory tree. + + The destination directory must not already exist. + If exception(s) occur, an Error is raised with a list of reasons. + + If the optional symlinks flag is true, symbolic links in the + source tree result in symbolic links in the destination tree; if + it is false, the contents of the files pointed to by symbolic + links are copied. If the file pointed by the symlink doesn't + exist, an exception will be added in the list of errors raised in + an Error exception at the end of the copy process. + + You can set the optional ignore_dangling_symlinks flag to true if you + want to silence this exception. Notice that this has no effect on + platforms that don't support os.symlink. + + The optional ignore argument is a callable. If given, it + is called with the `src` parameter, which is the directory + being visited by copytree(), and `names` which is the list of + `src` contents, as returned by os.listdir(): + + callable(src, names) -> ignored_names + + Since copytree() is called recursively, the callable will be + called once for each directory that is copied. It returns a + list of names relative to the `src` directory that should + not be copied. + + The optional copy_function argument is a callable that will be used + to copy each file. It will be called with the source path and the + destination path as arguments. By default, copy2() is used, but any + function that supports the same signature (like copy()) can be used. + + """ + names = os.listdir(src) + if ignore is not None: + ignored_names = ignore(src, names) + else: + ignored_names = set() + + os.makedirs(dst) + errors = [] + for name in names: + if name in ignored_names: + continue + srcname = os.path.join(src, name) + dstname = os.path.join(dst, name) + try: + if os.path.islink(srcname): + linkto = os.readlink(srcname) + if symlinks: + os.symlink(linkto, dstname) + else: + # ignore dangling symlink if the flag is on + if not os.path.exists(linkto) and ignore_dangling_symlinks: + continue + # otherwise let the copy occurs. copy2 will raise an error + copy_function(srcname, dstname) + elif os.path.isdir(srcname): + copytree(srcname, dstname, symlinks, ignore, copy_function) + else: + # Will raise a SpecialFileError for unsupported file types + copy_function(srcname, dstname) + # catch the Error from the recursive copytree so that we can + # continue with other files + except Error as err: + errors.extend(err.args[0]) + except EnvironmentError as why: + errors.append((srcname, dstname, str(why))) + try: + copystat(src, dst) + except OSError as why: + if WindowsError is not None and isinstance(why, WindowsError): + # Copying file access times may fail on Windows + pass + else: + errors.extend((src, dst, str(why))) + if errors: + raise Error(errors) + +def rmtree(path, ignore_errors=False, onerror=None): + """Recursively delete a directory tree. + + If ignore_errors is set, errors are ignored; otherwise, if onerror + is set, it is called to handle the error with arguments (func, + path, exc_info) where func is os.listdir, os.remove, or os.rmdir; + path is the argument to that function that caused it to fail; and + exc_info is a tuple returned by sys.exc_info(). If ignore_errors + is false and onerror is None, an exception is raised. + + """ + if ignore_errors: + def onerror(*args): + pass + elif onerror is None: + def onerror(*args): + raise + try: + if os.path.islink(path): + # symlinks to directories are forbidden, see bug #1669 + raise OSError("Cannot call rmtree on a symbolic link") + except OSError: + onerror(os.path.islink, path, sys.exc_info()) + # can't continue even if onerror hook returns + return + names = [] + try: + names = os.listdir(path) + except os.error: + onerror(os.listdir, path, sys.exc_info()) + for name in names: + fullname = os.path.join(path, name) + try: + mode = os.lstat(fullname).st_mode + except os.error: + mode = 0 + if stat.S_ISDIR(mode): + rmtree(fullname, ignore_errors, onerror) + else: + try: + os.remove(fullname) + except os.error: + onerror(os.remove, fullname, sys.exc_info()) + try: + os.rmdir(path) + except os.error: + onerror(os.rmdir, path, sys.exc_info()) + + +def _basename(path): + # A basename() variant which first strips the trailing slash, if present. + # Thus we always get the last component of the path, even for directories. + return os.path.basename(path.rstrip(os.path.sep)) + +def move(src, dst): + """Recursively move a file or directory to another location. This is + similar to the Unix "mv" command. + + If the destination is a directory or a symlink to a directory, the source + is moved inside the directory. The destination path must not already + exist. + + If the destination already exists but is not a directory, it may be + overwritten depending on os.rename() semantics. + + If the destination is on our current filesystem, then rename() is used. + Otherwise, src is copied to the destination and then removed. + A lot more could be done here... A look at a mv.c shows a lot of + the issues this implementation glosses over. + + """ + real_dst = dst + if os.path.isdir(dst): + if _samefile(src, dst): + # We might be on a case insensitive filesystem, + # perform the rename anyway. + os.rename(src, dst) + return + + real_dst = os.path.join(dst, _basename(src)) + if os.path.exists(real_dst): + raise Error("Destination path '%s' already exists" % real_dst) + try: + os.rename(src, real_dst) + except OSError: + if os.path.isdir(src): + if _destinsrc(src, dst): + raise Error("Cannot move a directory '%s' into itself '%s'." % (src, dst)) + copytree(src, real_dst, symlinks=True) + rmtree(src) + else: + copy2(src, real_dst) + os.unlink(src) + +def _destinsrc(src, dst): + src = abspath(src) + dst = abspath(dst) + if not src.endswith(os.path.sep): + src += os.path.sep + if not dst.endswith(os.path.sep): + dst += os.path.sep + return dst.startswith(src) + +def _get_gid(name): + """Returns a gid, given a group name.""" + if getgrnam is None or name is None: + return None + try: + result = getgrnam(name) + except KeyError: + result = None + if result is not None: + return result[2] + return None + +def _get_uid(name): + """Returns an uid, given a user name.""" + if getpwnam is None or name is None: + return None + try: + result = getpwnam(name) + except KeyError: + result = None + if result is not None: + return result[2] + return None + +def _make_tarball(base_name, base_dir, compress="gzip", verbose=0, dry_run=0, + owner=None, group=None, logger=None): + """Create a (possibly compressed) tar file from all the files under + 'base_dir'. + + 'compress' must be "gzip" (the default), "bzip2", or None. + + 'owner' and 'group' can be used to define an owner and a group for the + archive that is being built. If not provided, the current owner and group + will be used. + + The output tar file will be named 'base_name' + ".tar", possibly plus + the appropriate compression extension (".gz", or ".bz2"). + + Returns the output filename. + """ + tar_compression = {'gzip': 'gz', None: ''} + compress_ext = {'gzip': '.gz'} + + if _BZ2_SUPPORTED: + tar_compression['bzip2'] = 'bz2' + compress_ext['bzip2'] = '.bz2' + + # flags for compression program, each element of list will be an argument + if compress is not None and compress not in compress_ext: + raise ValueError("bad value for 'compress', or compression format not " + "supported : {0}".format(compress)) + + archive_name = base_name + '.tar' + compress_ext.get(compress, '') + archive_dir = os.path.dirname(archive_name) + + if not os.path.exists(archive_dir): + if logger is not None: + logger.info("creating %s", archive_dir) + if not dry_run: + os.makedirs(archive_dir) + + # creating the tarball + if logger is not None: + logger.info('Creating tar archive') + + uid = _get_uid(owner) + gid = _get_gid(group) + + def _set_uid_gid(tarinfo): + if gid is not None: + tarinfo.gid = gid + tarinfo.gname = group + if uid is not None: + tarinfo.uid = uid + tarinfo.uname = owner + return tarinfo + + if not dry_run: + tar = tarfile.open(archive_name, 'w|%s' % tar_compression[compress]) + try: + tar.add(base_dir, filter=_set_uid_gid) + finally: + tar.close() + + return archive_name + +def _call_external_zip(base_dir, zip_filename, verbose=False, dry_run=False): + # XXX see if we want to keep an external call here + if verbose: + zipoptions = "-r" + else: + zipoptions = "-rq" + from distutils.errors import DistutilsExecError + from distutils.spawn import spawn + try: + spawn(["zip", zipoptions, zip_filename, base_dir], dry_run=dry_run) + except DistutilsExecError: + # XXX really should distinguish between "couldn't find + # external 'zip' command" and "zip failed". + raise ExecError("unable to create zip file '%s': " + "could neither import the 'zipfile' module nor " + "find a standalone zip utility") % zip_filename + +def _make_zipfile(base_name, base_dir, verbose=0, dry_run=0, logger=None): + """Create a zip file from all the files under 'base_dir'. + + The output zip file will be named 'base_name' + ".zip". Uses either the + "zipfile" Python module (if available) or the InfoZIP "zip" utility + (if installed and found on the default search path). If neither tool is + available, raises ExecError. Returns the name of the output zip + file. + """ + zip_filename = base_name + ".zip" + archive_dir = os.path.dirname(base_name) + + if not os.path.exists(archive_dir): + if logger is not None: + logger.info("creating %s", archive_dir) + if not dry_run: + os.makedirs(archive_dir) + + # If zipfile module is not available, try spawning an external 'zip' + # command. + try: + import zipfile + except ImportError: + zipfile = None + + if zipfile is None: + _call_external_zip(base_dir, zip_filename, verbose, dry_run) + else: + if logger is not None: + logger.info("creating '%s' and adding '%s' to it", + zip_filename, base_dir) + + if not dry_run: + zip = zipfile.ZipFile(zip_filename, "w", + compression=zipfile.ZIP_DEFLATED) + + for dirpath, dirnames, filenames in os.walk(base_dir): + for name in filenames: + path = os.path.normpath(os.path.join(dirpath, name)) + if os.path.isfile(path): + zip.write(path, path) + if logger is not None: + logger.info("adding '%s'", path) + zip.close() + + return zip_filename + +_ARCHIVE_FORMATS = { + 'gztar': (_make_tarball, [('compress', 'gzip')], "gzip'ed tar-file"), + 'bztar': (_make_tarball, [('compress', 'bzip2')], "bzip2'ed tar-file"), + 'tar': (_make_tarball, [('compress', None)], "uncompressed tar file"), + 'zip': (_make_zipfile, [], "ZIP file"), + } + +if _BZ2_SUPPORTED: + _ARCHIVE_FORMATS['bztar'] = (_make_tarball, [('compress', 'bzip2')], + "bzip2'ed tar-file") + +def get_archive_formats(): + """Returns a list of supported formats for archiving and unarchiving. + + Each element of the returned sequence is a tuple (name, description) + """ + formats = [(name, registry[2]) for name, registry in + _ARCHIVE_FORMATS.items()] + formats.sort() + return formats + +def register_archive_format(name, function, extra_args=None, description=''): + """Registers an archive format. + + name is the name of the format. function is the callable that will be + used to create archives. If provided, extra_args is a sequence of + (name, value) tuples that will be passed as arguments to the callable. + description can be provided to describe the format, and will be returned + by the get_archive_formats() function. + """ + if extra_args is None: + extra_args = [] + if not isinstance(function, collections.Callable): + raise TypeError('The %s object is not callable' % function) + if not isinstance(extra_args, (tuple, list)): + raise TypeError('extra_args needs to be a sequence') + for element in extra_args: + if not isinstance(element, (tuple, list)) or len(element) !=2: + raise TypeError('extra_args elements are : (arg_name, value)') + + _ARCHIVE_FORMATS[name] = (function, extra_args, description) + +def unregister_archive_format(name): + del _ARCHIVE_FORMATS[name] + +def make_archive(base_name, format, root_dir=None, base_dir=None, verbose=0, + dry_run=0, owner=None, group=None, logger=None): + """Create an archive file (eg. zip or tar). + + 'base_name' is the name of the file to create, minus any format-specific + extension; 'format' is the archive format: one of "zip", "tar", "bztar" + or "gztar". + + 'root_dir' is a directory that will be the root directory of the + archive; ie. we typically chdir into 'root_dir' before creating the + archive. 'base_dir' is the directory where we start archiving from; + ie. 'base_dir' will be the common prefix of all files and + directories in the archive. 'root_dir' and 'base_dir' both default + to the current directory. Returns the name of the archive file. + + 'owner' and 'group' are used when creating a tar archive. By default, + uses the current owner and group. + """ + save_cwd = os.getcwd() + if root_dir is not None: + if logger is not None: + logger.debug("changing into '%s'", root_dir) + base_name = os.path.abspath(base_name) + if not dry_run: + os.chdir(root_dir) + + if base_dir is None: + base_dir = os.curdir + + kwargs = {'dry_run': dry_run, 'logger': logger} + + try: + format_info = _ARCHIVE_FORMATS[format] + except KeyError: + raise ValueError("unknown archive format '%s'" % format) + + func = format_info[0] + for arg, val in format_info[1]: + kwargs[arg] = val + + if format != 'zip': + kwargs['owner'] = owner + kwargs['group'] = group + + try: + filename = func(base_name, base_dir, **kwargs) + finally: + if root_dir is not None: + if logger is not None: + logger.debug("changing back to '%s'", save_cwd) + os.chdir(save_cwd) + + return filename + + +def get_unpack_formats(): + """Returns a list of supported formats for unpacking. + + Each element of the returned sequence is a tuple + (name, extensions, description) + """ + formats = [(name, info[0], info[3]) for name, info in + _UNPACK_FORMATS.items()] + formats.sort() + return formats + +def _check_unpack_options(extensions, function, extra_args): + """Checks what gets registered as an unpacker.""" + # first make sure no other unpacker is registered for this extension + existing_extensions = {} + for name, info in _UNPACK_FORMATS.items(): + for ext in info[0]: + existing_extensions[ext] = name + + for extension in extensions: + if extension in existing_extensions: + msg = '%s is already registered for "%s"' + raise RegistryError(msg % (extension, + existing_extensions[extension])) + + if not isinstance(function, collections.Callable): + raise TypeError('The registered function must be a callable') + + +def register_unpack_format(name, extensions, function, extra_args=None, + description=''): + """Registers an unpack format. + + `name` is the name of the format. `extensions` is a list of extensions + corresponding to the format. + + `function` is the callable that will be + used to unpack archives. The callable will receive archives to unpack. + If it's unable to handle an archive, it needs to raise a ReadError + exception. + + If provided, `extra_args` is a sequence of + (name, value) tuples that will be passed as arguments to the callable. + description can be provided to describe the format, and will be returned + by the get_unpack_formats() function. + """ + if extra_args is None: + extra_args = [] + _check_unpack_options(extensions, function, extra_args) + _UNPACK_FORMATS[name] = extensions, function, extra_args, description + +def unregister_unpack_format(name): + """Removes the pack format from the registery.""" + del _UNPACK_FORMATS[name] + +def _ensure_directory(path): + """Ensure that the parent directory of `path` exists""" + dirname = os.path.dirname(path) + if not os.path.isdir(dirname): + os.makedirs(dirname) + +def _unpack_zipfile(filename, extract_dir): + """Unpack zip `filename` to `extract_dir` + """ + try: + import zipfile + except ImportError: + raise ReadError('zlib not supported, cannot unpack this archive.') + + if not zipfile.is_zipfile(filename): + raise ReadError("%s is not a zip file" % filename) + + zip = zipfile.ZipFile(filename) + try: + for info in zip.infolist(): + name = info.filename + + # don't extract absolute paths or ones with .. in them + if name.startswith('/') or '..' in name: + continue + + target = os.path.join(extract_dir, *name.split('/')) + if not target: + continue + + _ensure_directory(target) + if not name.endswith('/'): + # file + data = zip.read(info.filename) + f = open(target, 'wb') + try: + f.write(data) + finally: + f.close() + del data + finally: + zip.close() + +def _unpack_tarfile(filename, extract_dir): + """Unpack tar/tar.gz/tar.bz2 `filename` to `extract_dir` + """ + try: + tarobj = tarfile.open(filename) + except tarfile.TarError: + raise ReadError( + "%s is not a compressed or uncompressed tar file" % filename) + try: + tarobj.extractall(extract_dir) + finally: + tarobj.close() + +_UNPACK_FORMATS = { + 'gztar': (['.tar.gz', '.tgz'], _unpack_tarfile, [], "gzip'ed tar-file"), + 'tar': (['.tar'], _unpack_tarfile, [], "uncompressed tar file"), + 'zip': (['.zip'], _unpack_zipfile, [], "ZIP file") + } + +if _BZ2_SUPPORTED: + _UNPACK_FORMATS['bztar'] = (['.bz2'], _unpack_tarfile, [], + "bzip2'ed tar-file") + +def _find_unpack_format(filename): + for name, info in _UNPACK_FORMATS.items(): + for extension in info[0]: + if filename.endswith(extension): + return name + return None + +def unpack_archive(filename, extract_dir=None, format=None): + """Unpack an archive. + + `filename` is the name of the archive. + + `extract_dir` is the name of the target directory, where the archive + is unpacked. If not provided, the current working directory is used. + + `format` is the archive format: one of "zip", "tar", or "gztar". Or any + other registered format. If not provided, unpack_archive will use the + filename extension and see if an unpacker was registered for that + extension. + + In case none is found, a ValueError is raised. + """ + if extract_dir is None: + extract_dir = os.getcwd() + + if format is not None: + try: + format_info = _UNPACK_FORMATS[format] + except KeyError: + raise ValueError("Unknown unpack format '{0}'".format(format)) + + func = format_info[1] + func(filename, extract_dir, **dict(format_info[2])) + else: + # we need to look at the registered unpackers supported extensions + format = _find_unpack_format(filename) + if format is None: + raise ReadError("Unknown archive format '{0}'".format(filename)) + + func = _UNPACK_FORMATS[format][1] + kwargs = dict(_UNPACK_FORMATS[format][2]) + func(filename, extract_dir, **kwargs) diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/_backport/sysconfig.cfg b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/_backport/sysconfig.cfg new file mode 100644 index 0000000..1746bd0 --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/_backport/sysconfig.cfg @@ -0,0 +1,84 @@ +[posix_prefix] +# Configuration directories. Some of these come straight out of the +# configure script. They are for implementing the other variables, not to +# be used directly in [resource_locations]. +confdir = /etc +datadir = /usr/share +libdir = /usr/lib +statedir = /var +# User resource directory +local = ~/.local/{distribution.name} + +stdlib = {base}/lib/python{py_version_short} +platstdlib = {platbase}/lib/python{py_version_short} +purelib = {base}/lib/python{py_version_short}/site-packages +platlib = {platbase}/lib/python{py_version_short}/site-packages +include = {base}/include/python{py_version_short}{abiflags} +platinclude = {platbase}/include/python{py_version_short}{abiflags} +data = {base} + +[posix_home] +stdlib = {base}/lib/python +platstdlib = {base}/lib/python +purelib = {base}/lib/python +platlib = {base}/lib/python +include = {base}/include/python +platinclude = {base}/include/python +scripts = {base}/bin +data = {base} + +[nt] +stdlib = {base}/Lib +platstdlib = {base}/Lib +purelib = {base}/Lib/site-packages +platlib = {base}/Lib/site-packages +include = {base}/Include +platinclude = {base}/Include +scripts = {base}/Scripts +data = {base} + +[os2] +stdlib = {base}/Lib +platstdlib = {base}/Lib +purelib = {base}/Lib/site-packages +platlib = {base}/Lib/site-packages +include = {base}/Include +platinclude = {base}/Include +scripts = {base}/Scripts +data = {base} + +[os2_home] +stdlib = {userbase}/lib/python{py_version_short} +platstdlib = {userbase}/lib/python{py_version_short} +purelib = {userbase}/lib/python{py_version_short}/site-packages +platlib = {userbase}/lib/python{py_version_short}/site-packages +include = {userbase}/include/python{py_version_short} +scripts = {userbase}/bin +data = {userbase} + +[nt_user] +stdlib = {userbase}/Python{py_version_nodot} +platstdlib = {userbase}/Python{py_version_nodot} +purelib = {userbase}/Python{py_version_nodot}/site-packages +platlib = {userbase}/Python{py_version_nodot}/site-packages +include = {userbase}/Python{py_version_nodot}/Include +scripts = {userbase}/Scripts +data = {userbase} + +[posix_user] +stdlib = {userbase}/lib/python{py_version_short} +platstdlib = {userbase}/lib/python{py_version_short} +purelib = {userbase}/lib/python{py_version_short}/site-packages +platlib = {userbase}/lib/python{py_version_short}/site-packages +include = {userbase}/include/python{py_version_short} +scripts = {userbase}/bin +data = {userbase} + +[osx_framework_user] +stdlib = {userbase}/lib/python +platstdlib = {userbase}/lib/python +purelib = {userbase}/lib/python/site-packages +platlib = {userbase}/lib/python/site-packages +include = {userbase}/include +scripts = {userbase}/bin +data = {userbase} diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/_backport/sysconfig.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/_backport/sysconfig.py new file mode 100644 index 0000000..a5b55fe --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/_backport/sysconfig.py @@ -0,0 +1,788 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2012 The Python Software Foundation. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +"""Access to Python's configuration information.""" + +import codecs +import os +import re +import sys +from os.path import pardir, realpath +try: + import configparser +except ImportError: + import ConfigParser as configparser + + +__all__ = [ + 'get_config_h_filename', + 'get_config_var', + 'get_config_vars', + 'get_makefile_filename', + 'get_path', + 'get_path_names', + 'get_paths', + 'get_platform', + 'get_python_version', + 'get_scheme_names', + 'parse_config_h', +] + + +def _safe_realpath(path): + try: + return realpath(path) + except OSError: + return path + + +if sys.executable: + _PROJECT_BASE = os.path.dirname(_safe_realpath(sys.executable)) +else: + # sys.executable can be empty if argv[0] has been changed and Python is + # unable to retrieve the real program name + _PROJECT_BASE = _safe_realpath(os.getcwd()) + +if os.name == "nt" and "pcbuild" in _PROJECT_BASE[-8:].lower(): + _PROJECT_BASE = _safe_realpath(os.path.join(_PROJECT_BASE, pardir)) +# PC/VS7.1 +if os.name == "nt" and "\\pc\\v" in _PROJECT_BASE[-10:].lower(): + _PROJECT_BASE = _safe_realpath(os.path.join(_PROJECT_BASE, pardir, pardir)) +# PC/AMD64 +if os.name == "nt" and "\\pcbuild\\amd64" in _PROJECT_BASE[-14:].lower(): + _PROJECT_BASE = _safe_realpath(os.path.join(_PROJECT_BASE, pardir, pardir)) + + +def is_python_build(): + for fn in ("Setup.dist", "Setup.local"): + if os.path.isfile(os.path.join(_PROJECT_BASE, "Modules", fn)): + return True + return False + +_PYTHON_BUILD = is_python_build() + +_cfg_read = False + +def _ensure_cfg_read(): + global _cfg_read + if not _cfg_read: + from distlib.resources import finder + backport_package = __name__.rsplit('.', 1)[0] + _finder = finder(backport_package) + _cfgfile = _finder.find('sysconfig.cfg') + assert _cfgfile, 'sysconfig.cfg exists' + with _cfgfile.as_stream() as s: + _SCHEMES.readfp(s) + if _PYTHON_BUILD: + for scheme in ('posix_prefix', 'posix_home'): + _SCHEMES.set(scheme, 'include', '{srcdir}/Include') + _SCHEMES.set(scheme, 'platinclude', '{projectbase}/.') + + _cfg_read = True + + +_SCHEMES = configparser.RawConfigParser() +_VAR_REPL = re.compile(r'\{([^{]*?)\}') + +def _expand_globals(config): + _ensure_cfg_read() + if config.has_section('globals'): + globals = config.items('globals') + else: + globals = tuple() + + sections = config.sections() + for section in sections: + if section == 'globals': + continue + for option, value in globals: + if config.has_option(section, option): + continue + config.set(section, option, value) + config.remove_section('globals') + + # now expanding local variables defined in the cfg file + # + for section in config.sections(): + variables = dict(config.items(section)) + + def _replacer(matchobj): + name = matchobj.group(1) + if name in variables: + return variables[name] + return matchobj.group(0) + + for option, value in config.items(section): + config.set(section, option, _VAR_REPL.sub(_replacer, value)) + +#_expand_globals(_SCHEMES) + + # FIXME don't rely on sys.version here, its format is an implementation detail + # of CPython, use sys.version_info or sys.hexversion +_PY_VERSION = sys.version.split()[0] +_PY_VERSION_SHORT = sys.version[:3] +_PY_VERSION_SHORT_NO_DOT = _PY_VERSION[0] + _PY_VERSION[2] +_PREFIX = os.path.normpath(sys.prefix) +_EXEC_PREFIX = os.path.normpath(sys.exec_prefix) +_CONFIG_VARS = None +_USER_BASE = None + + +def _subst_vars(path, local_vars): + """In the string `path`, replace tokens like {some.thing} with the + corresponding value from the map `local_vars`. + + If there is no corresponding value, leave the token unchanged. + """ + def _replacer(matchobj): + name = matchobj.group(1) + if name in local_vars: + return local_vars[name] + elif name in os.environ: + return os.environ[name] + return matchobj.group(0) + return _VAR_REPL.sub(_replacer, path) + + +def _extend_dict(target_dict, other_dict): + target_keys = target_dict.keys() + for key, value in other_dict.items(): + if key in target_keys: + continue + target_dict[key] = value + + +def _expand_vars(scheme, vars): + res = {} + if vars is None: + vars = {} + _extend_dict(vars, get_config_vars()) + + for key, value in _SCHEMES.items(scheme): + if os.name in ('posix', 'nt'): + value = os.path.expanduser(value) + res[key] = os.path.normpath(_subst_vars(value, vars)) + return res + + +def format_value(value, vars): + def _replacer(matchobj): + name = matchobj.group(1) + if name in vars: + return vars[name] + return matchobj.group(0) + return _VAR_REPL.sub(_replacer, value) + + +def _get_default_scheme(): + if os.name == 'posix': + # the default scheme for posix is posix_prefix + return 'posix_prefix' + return os.name + + +def _getuserbase(): + env_base = os.environ.get("PYTHONUSERBASE", None) + + def joinuser(*args): + return os.path.expanduser(os.path.join(*args)) + + # what about 'os2emx', 'riscos' ? + if os.name == "nt": + base = os.environ.get("APPDATA") or "~" + if env_base: + return env_base + else: + return joinuser(base, "Python") + + if sys.platform == "darwin": + framework = get_config_var("PYTHONFRAMEWORK") + if framework: + if env_base: + return env_base + else: + return joinuser("~", "Library", framework, "%d.%d" % + sys.version_info[:2]) + + if env_base: + return env_base + else: + return joinuser("~", ".local") + + +def _parse_makefile(filename, vars=None): + """Parse a Makefile-style file. + + A dictionary containing name/value pairs is returned. If an + optional dictionary is passed in as the second argument, it is + used instead of a new dictionary. + """ + # Regexes needed for parsing Makefile (and similar syntaxes, + # like old-style Setup files). + _variable_rx = re.compile("([a-zA-Z][a-zA-Z0-9_]+)\s*=\s*(.*)") + _findvar1_rx = re.compile(r"\$\(([A-Za-z][A-Za-z0-9_]*)\)") + _findvar2_rx = re.compile(r"\${([A-Za-z][A-Za-z0-9_]*)}") + + if vars is None: + vars = {} + done = {} + notdone = {} + + with codecs.open(filename, encoding='utf-8', errors="surrogateescape") as f: + lines = f.readlines() + + for line in lines: + if line.startswith('#') or line.strip() == '': + continue + m = _variable_rx.match(line) + if m: + n, v = m.group(1, 2) + v = v.strip() + # `$$' is a literal `$' in make + tmpv = v.replace('$$', '') + + if "$" in tmpv: + notdone[n] = v + else: + try: + v = int(v) + except ValueError: + # insert literal `$' + done[n] = v.replace('$$', '$') + else: + done[n] = v + + # do variable interpolation here + variables = list(notdone.keys()) + + # Variables with a 'PY_' prefix in the makefile. These need to + # be made available without that prefix through sysconfig. + # Special care is needed to ensure that variable expansion works, even + # if the expansion uses the name without a prefix. + renamed_variables = ('CFLAGS', 'LDFLAGS', 'CPPFLAGS') + + while len(variables) > 0: + for name in tuple(variables): + value = notdone[name] + m = _findvar1_rx.search(value) or _findvar2_rx.search(value) + if m is not None: + n = m.group(1) + found = True + if n in done: + item = str(done[n]) + elif n in notdone: + # get it on a subsequent round + found = False + elif n in os.environ: + # do it like make: fall back to environment + item = os.environ[n] + + elif n in renamed_variables: + if (name.startswith('PY_') and + name[3:] in renamed_variables): + item = "" + + elif 'PY_' + n in notdone: + found = False + + else: + item = str(done['PY_' + n]) + + else: + done[n] = item = "" + + if found: + after = value[m.end():] + value = value[:m.start()] + item + after + if "$" in after: + notdone[name] = value + else: + try: + value = int(value) + except ValueError: + done[name] = value.strip() + else: + done[name] = value + variables.remove(name) + + if (name.startswith('PY_') and + name[3:] in renamed_variables): + + name = name[3:] + if name not in done: + done[name] = value + + else: + # bogus variable reference (e.g. "prefix=$/opt/python"); + # just drop it since we can't deal + done[name] = value + variables.remove(name) + + # strip spurious spaces + for k, v in done.items(): + if isinstance(v, str): + done[k] = v.strip() + + # save the results in the global dictionary + vars.update(done) + return vars + + +def get_makefile_filename(): + """Return the path of the Makefile.""" + if _PYTHON_BUILD: + return os.path.join(_PROJECT_BASE, "Makefile") + if hasattr(sys, 'abiflags'): + config_dir_name = 'config-%s%s' % (_PY_VERSION_SHORT, sys.abiflags) + else: + config_dir_name = 'config' + return os.path.join(get_path('stdlib'), config_dir_name, 'Makefile') + + +def _init_posix(vars): + """Initialize the module as appropriate for POSIX systems.""" + # load the installed Makefile: + makefile = get_makefile_filename() + try: + _parse_makefile(makefile, vars) + except IOError as e: + msg = "invalid Python installation: unable to open %s" % makefile + if hasattr(e, "strerror"): + msg = msg + " (%s)" % e.strerror + raise IOError(msg) + # load the installed pyconfig.h: + config_h = get_config_h_filename() + try: + with open(config_h) as f: + parse_config_h(f, vars) + except IOError as e: + msg = "invalid Python installation: unable to open %s" % config_h + if hasattr(e, "strerror"): + msg = msg + " (%s)" % e.strerror + raise IOError(msg) + # On AIX, there are wrong paths to the linker scripts in the Makefile + # -- these paths are relative to the Python source, but when installed + # the scripts are in another directory. + if _PYTHON_BUILD: + vars['LDSHARED'] = vars['BLDSHARED'] + + +def _init_non_posix(vars): + """Initialize the module as appropriate for NT""" + # set basic install directories + vars['LIBDEST'] = get_path('stdlib') + vars['BINLIBDEST'] = get_path('platstdlib') + vars['INCLUDEPY'] = get_path('include') + vars['SO'] = '.pyd' + vars['EXE'] = '.exe' + vars['VERSION'] = _PY_VERSION_SHORT_NO_DOT + vars['BINDIR'] = os.path.dirname(_safe_realpath(sys.executable)) + +# +# public APIs +# + + +def parse_config_h(fp, vars=None): + """Parse a config.h-style file. + + A dictionary containing name/value pairs is returned. If an + optional dictionary is passed in as the second argument, it is + used instead of a new dictionary. + """ + if vars is None: + vars = {} + define_rx = re.compile("#define ([A-Z][A-Za-z0-9_]+) (.*)\n") + undef_rx = re.compile("/[*] #undef ([A-Z][A-Za-z0-9_]+) [*]/\n") + + while True: + line = fp.readline() + if not line: + break + m = define_rx.match(line) + if m: + n, v = m.group(1, 2) + try: + v = int(v) + except ValueError: + pass + vars[n] = v + else: + m = undef_rx.match(line) + if m: + vars[m.group(1)] = 0 + return vars + + +def get_config_h_filename(): + """Return the path of pyconfig.h.""" + if _PYTHON_BUILD: + if os.name == "nt": + inc_dir = os.path.join(_PROJECT_BASE, "PC") + else: + inc_dir = _PROJECT_BASE + else: + inc_dir = get_path('platinclude') + return os.path.join(inc_dir, 'pyconfig.h') + + +def get_scheme_names(): + """Return a tuple containing the schemes names.""" + return tuple(sorted(_SCHEMES.sections())) + + +def get_path_names(): + """Return a tuple containing the paths names.""" + # xxx see if we want a static list + return _SCHEMES.options('posix_prefix') + + +def get_paths(scheme=_get_default_scheme(), vars=None, expand=True): + """Return a mapping containing an install scheme. + + ``scheme`` is the install scheme name. If not provided, it will + return the default scheme for the current platform. + """ + _ensure_cfg_read() + if expand: + return _expand_vars(scheme, vars) + else: + return dict(_SCHEMES.items(scheme)) + + +def get_path(name, scheme=_get_default_scheme(), vars=None, expand=True): + """Return a path corresponding to the scheme. + + ``scheme`` is the install scheme name. + """ + return get_paths(scheme, vars, expand)[name] + + +def get_config_vars(*args): + """With no arguments, return a dictionary of all configuration + variables relevant for the current platform. + + On Unix, this means every variable defined in Python's installed Makefile; + On Windows and Mac OS it's a much smaller set. + + With arguments, return a list of values that result from looking up + each argument in the configuration variable dictionary. + """ + global _CONFIG_VARS + if _CONFIG_VARS is None: + _CONFIG_VARS = {} + # Normalized versions of prefix and exec_prefix are handy to have; + # in fact, these are the standard versions used most places in the + # distutils2 module. + _CONFIG_VARS['prefix'] = _PREFIX + _CONFIG_VARS['exec_prefix'] = _EXEC_PREFIX + _CONFIG_VARS['py_version'] = _PY_VERSION + _CONFIG_VARS['py_version_short'] = _PY_VERSION_SHORT + _CONFIG_VARS['py_version_nodot'] = _PY_VERSION[0] + _PY_VERSION[2] + _CONFIG_VARS['base'] = _PREFIX + _CONFIG_VARS['platbase'] = _EXEC_PREFIX + _CONFIG_VARS['projectbase'] = _PROJECT_BASE + try: + _CONFIG_VARS['abiflags'] = sys.abiflags + except AttributeError: + # sys.abiflags may not be defined on all platforms. + _CONFIG_VARS['abiflags'] = '' + + if os.name in ('nt', 'os2'): + _init_non_posix(_CONFIG_VARS) + if os.name == 'posix': + _init_posix(_CONFIG_VARS) + # Setting 'userbase' is done below the call to the + # init function to enable using 'get_config_var' in + # the init-function. + if sys.version >= '2.6': + _CONFIG_VARS['userbase'] = _getuserbase() + + if 'srcdir' not in _CONFIG_VARS: + _CONFIG_VARS['srcdir'] = _PROJECT_BASE + else: + _CONFIG_VARS['srcdir'] = _safe_realpath(_CONFIG_VARS['srcdir']) + + # Convert srcdir into an absolute path if it appears necessary. + # Normally it is relative to the build directory. However, during + # testing, for example, we might be running a non-installed python + # from a different directory. + if _PYTHON_BUILD and os.name == "posix": + base = _PROJECT_BASE + try: + cwd = os.getcwd() + except OSError: + cwd = None + if (not os.path.isabs(_CONFIG_VARS['srcdir']) and + base != cwd): + # srcdir is relative and we are not in the same directory + # as the executable. Assume executable is in the build + # directory and make srcdir absolute. + srcdir = os.path.join(base, _CONFIG_VARS['srcdir']) + _CONFIG_VARS['srcdir'] = os.path.normpath(srcdir) + + if sys.platform == 'darwin': + kernel_version = os.uname()[2] # Kernel version (8.4.3) + major_version = int(kernel_version.split('.')[0]) + + if major_version < 8: + # On Mac OS X before 10.4, check if -arch and -isysroot + # are in CFLAGS or LDFLAGS and remove them if they are. + # This is needed when building extensions on a 10.3 system + # using a universal build of python. + for key in ('LDFLAGS', 'BASECFLAGS', + # a number of derived variables. These need to be + # patched up as well. + 'CFLAGS', 'PY_CFLAGS', 'BLDSHARED'): + flags = _CONFIG_VARS[key] + flags = re.sub('-arch\s+\w+\s', ' ', flags) + flags = re.sub('-isysroot [^ \t]*', ' ', flags) + _CONFIG_VARS[key] = flags + else: + # Allow the user to override the architecture flags using + # an environment variable. + # NOTE: This name was introduced by Apple in OSX 10.5 and + # is used by several scripting languages distributed with + # that OS release. + if 'ARCHFLAGS' in os.environ: + arch = os.environ['ARCHFLAGS'] + for key in ('LDFLAGS', 'BASECFLAGS', + # a number of derived variables. These need to be + # patched up as well. + 'CFLAGS', 'PY_CFLAGS', 'BLDSHARED'): + + flags = _CONFIG_VARS[key] + flags = re.sub('-arch\s+\w+\s', ' ', flags) + flags = flags + ' ' + arch + _CONFIG_VARS[key] = flags + + # If we're on OSX 10.5 or later and the user tries to + # compiles an extension using an SDK that is not present + # on the current machine it is better to not use an SDK + # than to fail. + # + # The major usecase for this is users using a Python.org + # binary installer on OSX 10.6: that installer uses + # the 10.4u SDK, but that SDK is not installed by default + # when you install Xcode. + # + CFLAGS = _CONFIG_VARS.get('CFLAGS', '') + m = re.search('-isysroot\s+(\S+)', CFLAGS) + if m is not None: + sdk = m.group(1) + if not os.path.exists(sdk): + for key in ('LDFLAGS', 'BASECFLAGS', + # a number of derived variables. These need to be + # patched up as well. + 'CFLAGS', 'PY_CFLAGS', 'BLDSHARED'): + + flags = _CONFIG_VARS[key] + flags = re.sub('-isysroot\s+\S+(\s|$)', ' ', flags) + _CONFIG_VARS[key] = flags + + if args: + vals = [] + for name in args: + vals.append(_CONFIG_VARS.get(name)) + return vals + else: + return _CONFIG_VARS + + +def get_config_var(name): + """Return the value of a single variable using the dictionary returned by + 'get_config_vars()'. + + Equivalent to get_config_vars().get(name) + """ + return get_config_vars().get(name) + + +def get_platform(): + """Return a string that identifies the current platform. + + This is used mainly to distinguish platform-specific build directories and + platform-specific built distributions. Typically includes the OS name + and version and the architecture (as supplied by 'os.uname()'), + although the exact information included depends on the OS; eg. for IRIX + the architecture isn't particularly important (IRIX only runs on SGI + hardware), but for Linux the kernel version isn't particularly + important. + + Examples of returned values: + linux-i586 + linux-alpha (?) + solaris-2.6-sun4u + irix-5.3 + irix64-6.2 + + Windows will return one of: + win-amd64 (64bit Windows on AMD64 (aka x86_64, Intel64, EM64T, etc) + win-ia64 (64bit Windows on Itanium) + win32 (all others - specifically, sys.platform is returned) + + For other non-POSIX platforms, currently just returns 'sys.platform'. + """ + if os.name == 'nt': + # sniff sys.version for architecture. + prefix = " bit (" + i = sys.version.find(prefix) + if i == -1: + return sys.platform + j = sys.version.find(")", i) + look = sys.version[i+len(prefix):j].lower() + if look == 'amd64': + return 'win-amd64' + if look == 'itanium': + return 'win-ia64' + return sys.platform + + if os.name != "posix" or not hasattr(os, 'uname'): + # XXX what about the architecture? NT is Intel or Alpha, + # Mac OS is M68k or PPC, etc. + return sys.platform + + # Try to distinguish various flavours of Unix + osname, host, release, version, machine = os.uname() + + # Convert the OS name to lowercase, remove '/' characters + # (to accommodate BSD/OS), and translate spaces (for "Power Macintosh") + osname = osname.lower().replace('/', '') + machine = machine.replace(' ', '_') + machine = machine.replace('/', '-') + + if osname[:5] == "linux": + # At least on Linux/Intel, 'machine' is the processor -- + # i386, etc. + # XXX what about Alpha, SPARC, etc? + return "%s-%s" % (osname, machine) + elif osname[:5] == "sunos": + if release[0] >= "5": # SunOS 5 == Solaris 2 + osname = "solaris" + release = "%d.%s" % (int(release[0]) - 3, release[2:]) + # fall through to standard osname-release-machine representation + elif osname[:4] == "irix": # could be "irix64"! + return "%s-%s" % (osname, release) + elif osname[:3] == "aix": + return "%s-%s.%s" % (osname, version, release) + elif osname[:6] == "cygwin": + osname = "cygwin" + rel_re = re.compile(r'[\d.]+') + m = rel_re.match(release) + if m: + release = m.group() + elif osname[:6] == "darwin": + # + # For our purposes, we'll assume that the system version from + # distutils' perspective is what MACOSX_DEPLOYMENT_TARGET is set + # to. This makes the compatibility story a bit more sane because the + # machine is going to compile and link as if it were + # MACOSX_DEPLOYMENT_TARGET. + cfgvars = get_config_vars() + macver = cfgvars.get('MACOSX_DEPLOYMENT_TARGET') + + if True: + # Always calculate the release of the running machine, + # needed to determine if we can build fat binaries or not. + + macrelease = macver + # Get the system version. Reading this plist is a documented + # way to get the system version (see the documentation for + # the Gestalt Manager) + try: + f = open('/System/Library/CoreServices/SystemVersion.plist') + except IOError: + # We're on a plain darwin box, fall back to the default + # behaviour. + pass + else: + try: + m = re.search(r'<key>ProductUserVisibleVersion</key>\s*' + r'<string>(.*?)</string>', f.read()) + finally: + f.close() + if m is not None: + macrelease = '.'.join(m.group(1).split('.')[:2]) + # else: fall back to the default behaviour + + if not macver: + macver = macrelease + + if macver: + release = macver + osname = "macosx" + + if ((macrelease + '.') >= '10.4.' and + '-arch' in get_config_vars().get('CFLAGS', '').strip()): + # The universal build will build fat binaries, but not on + # systems before 10.4 + # + # Try to detect 4-way universal builds, those have machine-type + # 'universal' instead of 'fat'. + + machine = 'fat' + cflags = get_config_vars().get('CFLAGS') + + archs = re.findall('-arch\s+(\S+)', cflags) + archs = tuple(sorted(set(archs))) + + if len(archs) == 1: + machine = archs[0] + elif archs == ('i386', 'ppc'): + machine = 'fat' + elif archs == ('i386', 'x86_64'): + machine = 'intel' + elif archs == ('i386', 'ppc', 'x86_64'): + machine = 'fat3' + elif archs == ('ppc64', 'x86_64'): + machine = 'fat64' + elif archs == ('i386', 'ppc', 'ppc64', 'x86_64'): + machine = 'universal' + else: + raise ValueError( + "Don't know machine value for archs=%r" % (archs,)) + + elif machine == 'i386': + # On OSX the machine type returned by uname is always the + # 32-bit variant, even if the executable architecture is + # the 64-bit variant + if sys.maxsize >= 2**32: + machine = 'x86_64' + + elif machine in ('PowerPC', 'Power_Macintosh'): + # Pick a sane name for the PPC architecture. + # See 'i386' case + if sys.maxsize >= 2**32: + machine = 'ppc64' + else: + machine = 'ppc' + + return "%s-%s-%s" % (osname, release, machine) + + +def get_python_version(): + return _PY_VERSION_SHORT + + +def _print_dict(title, data): + for index, (key, value) in enumerate(sorted(data.items())): + if index == 0: + print('%s: ' % (title)) + print('\t%s = "%s"' % (key, value)) + + +def _main(): + """Display all information sysconfig detains.""" + print('Platform: "%s"' % get_platform()) + print('Python version: "%s"' % get_python_version()) + print('Current installation scheme: "%s"' % _get_default_scheme()) + print() + _print_dict('Paths', get_paths()) + print() + _print_dict('Variables', get_config_vars()) + + +if __name__ == '__main__': + _main() diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/_backport/tarfile.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/_backport/tarfile.py new file mode 100644 index 0000000..0580fb7 --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/_backport/tarfile.py @@ -0,0 +1,2607 @@ +#------------------------------------------------------------------- +# tarfile.py +#------------------------------------------------------------------- +# Copyright (C) 2002 Lars Gustaebel <lars@gustaebel.de> +# All rights reserved. +# +# Permission is hereby granted, free of charge, to any person +# obtaining a copy of this software and associated documentation +# files (the "Software"), to deal in the Software without +# restriction, including without limitation the rights to use, +# copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the +# Software is furnished to do so, subject to the following +# conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES +# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT +# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, +# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +# OTHER DEALINGS IN THE SOFTWARE. +# +from __future__ import print_function + +"""Read from and write to tar format archives. +""" + +__version__ = "$Revision$" + +version = "0.9.0" +__author__ = "Lars Gust\u00e4bel (lars@gustaebel.de)" +__date__ = "$Date: 2011-02-25 17:42:01 +0200 (Fri, 25 Feb 2011) $" +__cvsid__ = "$Id: tarfile.py 88586 2011-02-25 15:42:01Z marc-andre.lemburg $" +__credits__ = "Gustavo Niemeyer, Niels Gust\u00e4bel, Richard Townsend." + +#--------- +# Imports +#--------- +import sys +import os +import stat +import errno +import time +import struct +import copy +import re + +try: + import grp, pwd +except ImportError: + grp = pwd = None + +# os.symlink on Windows prior to 6.0 raises NotImplementedError +symlink_exception = (AttributeError, NotImplementedError) +try: + # WindowsError (1314) will be raised if the caller does not hold the + # SeCreateSymbolicLinkPrivilege privilege + symlink_exception += (WindowsError,) +except NameError: + pass + +# from tarfile import * +__all__ = ["TarFile", "TarInfo", "is_tarfile", "TarError"] + +if sys.version_info[0] < 3: + import __builtin__ as builtins +else: + import builtins + +_open = builtins.open # Since 'open' is TarFile.open + +#--------------------------------------------------------- +# tar constants +#--------------------------------------------------------- +NUL = b"\0" # the null character +BLOCKSIZE = 512 # length of processing blocks +RECORDSIZE = BLOCKSIZE * 20 # length of records +GNU_MAGIC = b"ustar \0" # magic gnu tar string +POSIX_MAGIC = b"ustar\x0000" # magic posix tar string + +LENGTH_NAME = 100 # maximum length of a filename +LENGTH_LINK = 100 # maximum length of a linkname +LENGTH_PREFIX = 155 # maximum length of the prefix field + +REGTYPE = b"0" # regular file +AREGTYPE = b"\0" # regular file +LNKTYPE = b"1" # link (inside tarfile) +SYMTYPE = b"2" # symbolic link +CHRTYPE = b"3" # character special device +BLKTYPE = b"4" # block special device +DIRTYPE = b"5" # directory +FIFOTYPE = b"6" # fifo special device +CONTTYPE = b"7" # contiguous file + +GNUTYPE_LONGNAME = b"L" # GNU tar longname +GNUTYPE_LONGLINK = b"K" # GNU tar longlink +GNUTYPE_SPARSE = b"S" # GNU tar sparse file + +XHDTYPE = b"x" # POSIX.1-2001 extended header +XGLTYPE = b"g" # POSIX.1-2001 global header +SOLARIS_XHDTYPE = b"X" # Solaris extended header + +USTAR_FORMAT = 0 # POSIX.1-1988 (ustar) format +GNU_FORMAT = 1 # GNU tar format +PAX_FORMAT = 2 # POSIX.1-2001 (pax) format +DEFAULT_FORMAT = GNU_FORMAT + +#--------------------------------------------------------- +# tarfile constants +#--------------------------------------------------------- +# File types that tarfile supports: +SUPPORTED_TYPES = (REGTYPE, AREGTYPE, LNKTYPE, + SYMTYPE, DIRTYPE, FIFOTYPE, + CONTTYPE, CHRTYPE, BLKTYPE, + GNUTYPE_LONGNAME, GNUTYPE_LONGLINK, + GNUTYPE_SPARSE) + +# File types that will be treated as a regular file. +REGULAR_TYPES = (REGTYPE, AREGTYPE, + CONTTYPE, GNUTYPE_SPARSE) + +# File types that are part of the GNU tar format. +GNU_TYPES = (GNUTYPE_LONGNAME, GNUTYPE_LONGLINK, + GNUTYPE_SPARSE) + +# Fields from a pax header that override a TarInfo attribute. +PAX_FIELDS = ("path", "linkpath", "size", "mtime", + "uid", "gid", "uname", "gname") + +# Fields from a pax header that are affected by hdrcharset. +PAX_NAME_FIELDS = set(("path", "linkpath", "uname", "gname")) + +# Fields in a pax header that are numbers, all other fields +# are treated as strings. +PAX_NUMBER_FIELDS = { + "atime": float, + "ctime": float, + "mtime": float, + "uid": int, + "gid": int, + "size": int +} + +#--------------------------------------------------------- +# Bits used in the mode field, values in octal. +#--------------------------------------------------------- +S_IFLNK = 0o120000 # symbolic link +S_IFREG = 0o100000 # regular file +S_IFBLK = 0o060000 # block device +S_IFDIR = 0o040000 # directory +S_IFCHR = 0o020000 # character device +S_IFIFO = 0o010000 # fifo + +TSUID = 0o4000 # set UID on execution +TSGID = 0o2000 # set GID on execution +TSVTX = 0o1000 # reserved + +TUREAD = 0o400 # read by owner +TUWRITE = 0o200 # write by owner +TUEXEC = 0o100 # execute/search by owner +TGREAD = 0o040 # read by group +TGWRITE = 0o020 # write by group +TGEXEC = 0o010 # execute/search by group +TOREAD = 0o004 # read by other +TOWRITE = 0o002 # write by other +TOEXEC = 0o001 # execute/search by other + +#--------------------------------------------------------- +# initialization +#--------------------------------------------------------- +if os.name in ("nt", "ce"): + ENCODING = "utf-8" +else: + ENCODING = sys.getfilesystemencoding() + +#--------------------------------------------------------- +# Some useful functions +#--------------------------------------------------------- + +def stn(s, length, encoding, errors): + """Convert a string to a null-terminated bytes object. + """ + s = s.encode(encoding, errors) + return s[:length] + (length - len(s)) * NUL + +def nts(s, encoding, errors): + """Convert a null-terminated bytes object to a string. + """ + p = s.find(b"\0") + if p != -1: + s = s[:p] + return s.decode(encoding, errors) + +def nti(s): + """Convert a number field to a python number. + """ + # There are two possible encodings for a number field, see + # itn() below. + if s[0] != chr(0o200): + try: + n = int(nts(s, "ascii", "strict") or "0", 8) + except ValueError: + raise InvalidHeaderError("invalid header") + else: + n = 0 + for i in range(len(s) - 1): + n <<= 8 + n += ord(s[i + 1]) + return n + +def itn(n, digits=8, format=DEFAULT_FORMAT): + """Convert a python number to a number field. + """ + # POSIX 1003.1-1988 requires numbers to be encoded as a string of + # octal digits followed by a null-byte, this allows values up to + # (8**(digits-1))-1. GNU tar allows storing numbers greater than + # that if necessary. A leading 0o200 byte indicates this particular + # encoding, the following digits-1 bytes are a big-endian + # representation. This allows values up to (256**(digits-1))-1. + if 0 <= n < 8 ** (digits - 1): + s = ("%0*o" % (digits - 1, n)).encode("ascii") + NUL + else: + if format != GNU_FORMAT or n >= 256 ** (digits - 1): + raise ValueError("overflow in number field") + + if n < 0: + # XXX We mimic GNU tar's behaviour with negative numbers, + # this could raise OverflowError. + n = struct.unpack("L", struct.pack("l", n))[0] + + s = bytearray() + for i in range(digits - 1): + s.insert(0, n & 0o377) + n >>= 8 + s.insert(0, 0o200) + return s + +def calc_chksums(buf): + """Calculate the checksum for a member's header by summing up all + characters except for the chksum field which is treated as if + it was filled with spaces. According to the GNU tar sources, + some tars (Sun and NeXT) calculate chksum with signed char, + which will be different if there are chars in the buffer with + the high bit set. So we calculate two checksums, unsigned and + signed. + """ + unsigned_chksum = 256 + sum(struct.unpack("148B", buf[:148]) + struct.unpack("356B", buf[156:512])) + signed_chksum = 256 + sum(struct.unpack("148b", buf[:148]) + struct.unpack("356b", buf[156:512])) + return unsigned_chksum, signed_chksum + +def copyfileobj(src, dst, length=None): + """Copy length bytes from fileobj src to fileobj dst. + If length is None, copy the entire content. + """ + if length == 0: + return + if length is None: + while True: + buf = src.read(16*1024) + if not buf: + break + dst.write(buf) + return + + BUFSIZE = 16 * 1024 + blocks, remainder = divmod(length, BUFSIZE) + for b in range(blocks): + buf = src.read(BUFSIZE) + if len(buf) < BUFSIZE: + raise IOError("end of file reached") + dst.write(buf) + + if remainder != 0: + buf = src.read(remainder) + if len(buf) < remainder: + raise IOError("end of file reached") + dst.write(buf) + return + +filemode_table = ( + ((S_IFLNK, "l"), + (S_IFREG, "-"), + (S_IFBLK, "b"), + (S_IFDIR, "d"), + (S_IFCHR, "c"), + (S_IFIFO, "p")), + + ((TUREAD, "r"),), + ((TUWRITE, "w"),), + ((TUEXEC|TSUID, "s"), + (TSUID, "S"), + (TUEXEC, "x")), + + ((TGREAD, "r"),), + ((TGWRITE, "w"),), + ((TGEXEC|TSGID, "s"), + (TSGID, "S"), + (TGEXEC, "x")), + + ((TOREAD, "r"),), + ((TOWRITE, "w"),), + ((TOEXEC|TSVTX, "t"), + (TSVTX, "T"), + (TOEXEC, "x")) +) + +def filemode(mode): + """Convert a file's mode to a string of the form + -rwxrwxrwx. + Used by TarFile.list() + """ + perm = [] + for table in filemode_table: + for bit, char in table: + if mode & bit == bit: + perm.append(char) + break + else: + perm.append("-") + return "".join(perm) + +class TarError(Exception): + """Base exception.""" + pass +class ExtractError(TarError): + """General exception for extract errors.""" + pass +class ReadError(TarError): + """Exception for unreadble tar archives.""" + pass +class CompressionError(TarError): + """Exception for unavailable compression methods.""" + pass +class StreamError(TarError): + """Exception for unsupported operations on stream-like TarFiles.""" + pass +class HeaderError(TarError): + """Base exception for header errors.""" + pass +class EmptyHeaderError(HeaderError): + """Exception for empty headers.""" + pass +class TruncatedHeaderError(HeaderError): + """Exception for truncated headers.""" + pass +class EOFHeaderError(HeaderError): + """Exception for end of file headers.""" + pass +class InvalidHeaderError(HeaderError): + """Exception for invalid headers.""" + pass +class SubsequentHeaderError(HeaderError): + """Exception for missing and invalid extended headers.""" + pass + +#--------------------------- +# internal stream interface +#--------------------------- +class _LowLevelFile(object): + """Low-level file object. Supports reading and writing. + It is used instead of a regular file object for streaming + access. + """ + + def __init__(self, name, mode): + mode = { + "r": os.O_RDONLY, + "w": os.O_WRONLY | os.O_CREAT | os.O_TRUNC, + }[mode] + if hasattr(os, "O_BINARY"): + mode |= os.O_BINARY + self.fd = os.open(name, mode, 0o666) + + def close(self): + os.close(self.fd) + + def read(self, size): + return os.read(self.fd, size) + + def write(self, s): + os.write(self.fd, s) + +class _Stream(object): + """Class that serves as an adapter between TarFile and + a stream-like object. The stream-like object only + needs to have a read() or write() method and is accessed + blockwise. Use of gzip or bzip2 compression is possible. + A stream-like object could be for example: sys.stdin, + sys.stdout, a socket, a tape device etc. + + _Stream is intended to be used only internally. + """ + + def __init__(self, name, mode, comptype, fileobj, bufsize): + """Construct a _Stream object. + """ + self._extfileobj = True + if fileobj is None: + fileobj = _LowLevelFile(name, mode) + self._extfileobj = False + + if comptype == '*': + # Enable transparent compression detection for the + # stream interface + fileobj = _StreamProxy(fileobj) + comptype = fileobj.getcomptype() + + self.name = name or "" + self.mode = mode + self.comptype = comptype + self.fileobj = fileobj + self.bufsize = bufsize + self.buf = b"" + self.pos = 0 + self.closed = False + + try: + if comptype == "gz": + try: + import zlib + except ImportError: + raise CompressionError("zlib module is not available") + self.zlib = zlib + self.crc = zlib.crc32(b"") + if mode == "r": + self._init_read_gz() + else: + self._init_write_gz() + + if comptype == "bz2": + try: + import bz2 + except ImportError: + raise CompressionError("bz2 module is not available") + if mode == "r": + self.dbuf = b"" + self.cmp = bz2.BZ2Decompressor() + else: + self.cmp = bz2.BZ2Compressor() + except: + if not self._extfileobj: + self.fileobj.close() + self.closed = True + raise + + def __del__(self): + if hasattr(self, "closed") and not self.closed: + self.close() + + def _init_write_gz(self): + """Initialize for writing with gzip compression. + """ + self.cmp = self.zlib.compressobj(9, self.zlib.DEFLATED, + -self.zlib.MAX_WBITS, + self.zlib.DEF_MEM_LEVEL, + 0) + timestamp = struct.pack("<L", int(time.time())) + self.__write(b"\037\213\010\010" + timestamp + b"\002\377") + if self.name.endswith(".gz"): + self.name = self.name[:-3] + # RFC1952 says we must use ISO-8859-1 for the FNAME field. + self.__write(self.name.encode("iso-8859-1", "replace") + NUL) + + def write(self, s): + """Write string s to the stream. + """ + if self.comptype == "gz": + self.crc = self.zlib.crc32(s, self.crc) + self.pos += len(s) + if self.comptype != "tar": + s = self.cmp.compress(s) + self.__write(s) + + def __write(self, s): + """Write string s to the stream if a whole new block + is ready to be written. + """ + self.buf += s + while len(self.buf) > self.bufsize: + self.fileobj.write(self.buf[:self.bufsize]) + self.buf = self.buf[self.bufsize:] + + def close(self): + """Close the _Stream object. No operation should be + done on it afterwards. + """ + if self.closed: + return + + if self.mode == "w" and self.comptype != "tar": + self.buf += self.cmp.flush() + + if self.mode == "w" and self.buf: + self.fileobj.write(self.buf) + self.buf = b"" + if self.comptype == "gz": + # The native zlib crc is an unsigned 32-bit integer, but + # the Python wrapper implicitly casts that to a signed C + # long. So, on a 32-bit box self.crc may "look negative", + # while the same crc on a 64-bit box may "look positive". + # To avoid irksome warnings from the `struct` module, force + # it to look positive on all boxes. + self.fileobj.write(struct.pack("<L", self.crc & 0xffffffff)) + self.fileobj.write(struct.pack("<L", self.pos & 0xffffFFFF)) + + if not self._extfileobj: + self.fileobj.close() + + self.closed = True + + def _init_read_gz(self): + """Initialize for reading a gzip compressed fileobj. + """ + self.cmp = self.zlib.decompressobj(-self.zlib.MAX_WBITS) + self.dbuf = b"" + + # taken from gzip.GzipFile with some alterations + if self.__read(2) != b"\037\213": + raise ReadError("not a gzip file") + if self.__read(1) != b"\010": + raise CompressionError("unsupported compression method") + + flag = ord(self.__read(1)) + self.__read(6) + + if flag & 4: + xlen = ord(self.__read(1)) + 256 * ord(self.__read(1)) + self.read(xlen) + if flag & 8: + while True: + s = self.__read(1) + if not s or s == NUL: + break + if flag & 16: + while True: + s = self.__read(1) + if not s or s == NUL: + break + if flag & 2: + self.__read(2) + + def tell(self): + """Return the stream's file pointer position. + """ + return self.pos + + def seek(self, pos=0): + """Set the stream's file pointer to pos. Negative seeking + is forbidden. + """ + if pos - self.pos >= 0: + blocks, remainder = divmod(pos - self.pos, self.bufsize) + for i in range(blocks): + self.read(self.bufsize) + self.read(remainder) + else: + raise StreamError("seeking backwards is not allowed") + return self.pos + + def read(self, size=None): + """Return the next size number of bytes from the stream. + If size is not defined, return all bytes of the stream + up to EOF. + """ + if size is None: + t = [] + while True: + buf = self._read(self.bufsize) + if not buf: + break + t.append(buf) + buf = "".join(t) + else: + buf = self._read(size) + self.pos += len(buf) + return buf + + def _read(self, size): + """Return size bytes from the stream. + """ + if self.comptype == "tar": + return self.__read(size) + + c = len(self.dbuf) + while c < size: + buf = self.__read(self.bufsize) + if not buf: + break + try: + buf = self.cmp.decompress(buf) + except IOError: + raise ReadError("invalid compressed data") + self.dbuf += buf + c += len(buf) + buf = self.dbuf[:size] + self.dbuf = self.dbuf[size:] + return buf + + def __read(self, size): + """Return size bytes from stream. If internal buffer is empty, + read another block from the stream. + """ + c = len(self.buf) + while c < size: + buf = self.fileobj.read(self.bufsize) + if not buf: + break + self.buf += buf + c += len(buf) + buf = self.buf[:size] + self.buf = self.buf[size:] + return buf +# class _Stream + +class _StreamProxy(object): + """Small proxy class that enables transparent compression + detection for the Stream interface (mode 'r|*'). + """ + + def __init__(self, fileobj): + self.fileobj = fileobj + self.buf = self.fileobj.read(BLOCKSIZE) + + def read(self, size): + self.read = self.fileobj.read + return self.buf + + def getcomptype(self): + if self.buf.startswith(b"\037\213\010"): + return "gz" + if self.buf.startswith(b"BZh91"): + return "bz2" + return "tar" + + def close(self): + self.fileobj.close() +# class StreamProxy + +class _BZ2Proxy(object): + """Small proxy class that enables external file object + support for "r:bz2" and "w:bz2" modes. This is actually + a workaround for a limitation in bz2 module's BZ2File + class which (unlike gzip.GzipFile) has no support for + a file object argument. + """ + + blocksize = 16 * 1024 + + def __init__(self, fileobj, mode): + self.fileobj = fileobj + self.mode = mode + self.name = getattr(self.fileobj, "name", None) + self.init() + + def init(self): + import bz2 + self.pos = 0 + if self.mode == "r": + self.bz2obj = bz2.BZ2Decompressor() + self.fileobj.seek(0) + self.buf = b"" + else: + self.bz2obj = bz2.BZ2Compressor() + + def read(self, size): + x = len(self.buf) + while x < size: + raw = self.fileobj.read(self.blocksize) + if not raw: + break + data = self.bz2obj.decompress(raw) + self.buf += data + x += len(data) + + buf = self.buf[:size] + self.buf = self.buf[size:] + self.pos += len(buf) + return buf + + def seek(self, pos): + if pos < self.pos: + self.init() + self.read(pos - self.pos) + + def tell(self): + return self.pos + + def write(self, data): + self.pos += len(data) + raw = self.bz2obj.compress(data) + self.fileobj.write(raw) + + def close(self): + if self.mode == "w": + raw = self.bz2obj.flush() + self.fileobj.write(raw) +# class _BZ2Proxy + +#------------------------ +# Extraction file object +#------------------------ +class _FileInFile(object): + """A thin wrapper around an existing file object that + provides a part of its data as an individual file + object. + """ + + def __init__(self, fileobj, offset, size, blockinfo=None): + self.fileobj = fileobj + self.offset = offset + self.size = size + self.position = 0 + + if blockinfo is None: + blockinfo = [(0, size)] + + # Construct a map with data and zero blocks. + self.map_index = 0 + self.map = [] + lastpos = 0 + realpos = self.offset + for offset, size in blockinfo: + if offset > lastpos: + self.map.append((False, lastpos, offset, None)) + self.map.append((True, offset, offset + size, realpos)) + realpos += size + lastpos = offset + size + if lastpos < self.size: + self.map.append((False, lastpos, self.size, None)) + + def seekable(self): + if not hasattr(self.fileobj, "seekable"): + # XXX gzip.GzipFile and bz2.BZ2File + return True + return self.fileobj.seekable() + + def tell(self): + """Return the current file position. + """ + return self.position + + def seek(self, position): + """Seek to a position in the file. + """ + self.position = position + + def read(self, size=None): + """Read data from the file. + """ + if size is None: + size = self.size - self.position + else: + size = min(size, self.size - self.position) + + buf = b"" + while size > 0: + while True: + data, start, stop, offset = self.map[self.map_index] + if start <= self.position < stop: + break + else: + self.map_index += 1 + if self.map_index == len(self.map): + self.map_index = 0 + length = min(size, stop - self.position) + if data: + self.fileobj.seek(offset + (self.position - start)) + buf += self.fileobj.read(length) + else: + buf += NUL * length + size -= length + self.position += length + return buf +#class _FileInFile + + +class ExFileObject(object): + """File-like object for reading an archive member. + Is returned by TarFile.extractfile(). + """ + blocksize = 1024 + + def __init__(self, tarfile, tarinfo): + self.fileobj = _FileInFile(tarfile.fileobj, + tarinfo.offset_data, + tarinfo.size, + tarinfo.sparse) + self.name = tarinfo.name + self.mode = "r" + self.closed = False + self.size = tarinfo.size + + self.position = 0 + self.buffer = b"" + + def readable(self): + return True + + def writable(self): + return False + + def seekable(self): + return self.fileobj.seekable() + + def read(self, size=None): + """Read at most size bytes from the file. If size is not + present or None, read all data until EOF is reached. + """ + if self.closed: + raise ValueError("I/O operation on closed file") + + buf = b"" + if self.buffer: + if size is None: + buf = self.buffer + self.buffer = b"" + else: + buf = self.buffer[:size] + self.buffer = self.buffer[size:] + + if size is None: + buf += self.fileobj.read() + else: + buf += self.fileobj.read(size - len(buf)) + + self.position += len(buf) + return buf + + # XXX TextIOWrapper uses the read1() method. + read1 = read + + def readline(self, size=-1): + """Read one entire line from the file. If size is present + and non-negative, return a string with at most that + size, which may be an incomplete line. + """ + if self.closed: + raise ValueError("I/O operation on closed file") + + pos = self.buffer.find(b"\n") + 1 + if pos == 0: + # no newline found. + while True: + buf = self.fileobj.read(self.blocksize) + self.buffer += buf + if not buf or b"\n" in buf: + pos = self.buffer.find(b"\n") + 1 + if pos == 0: + # no newline found. + pos = len(self.buffer) + break + + if size != -1: + pos = min(size, pos) + + buf = self.buffer[:pos] + self.buffer = self.buffer[pos:] + self.position += len(buf) + return buf + + def readlines(self): + """Return a list with all remaining lines. + """ + result = [] + while True: + line = self.readline() + if not line: break + result.append(line) + return result + + def tell(self): + """Return the current file position. + """ + if self.closed: + raise ValueError("I/O operation on closed file") + + return self.position + + def seek(self, pos, whence=os.SEEK_SET): + """Seek to a position in the file. + """ + if self.closed: + raise ValueError("I/O operation on closed file") + + if whence == os.SEEK_SET: + self.position = min(max(pos, 0), self.size) + elif whence == os.SEEK_CUR: + if pos < 0: + self.position = max(self.position + pos, 0) + else: + self.position = min(self.position + pos, self.size) + elif whence == os.SEEK_END: + self.position = max(min(self.size + pos, self.size), 0) + else: + raise ValueError("Invalid argument") + + self.buffer = b"" + self.fileobj.seek(self.position) + + def close(self): + """Close the file object. + """ + self.closed = True + + def __iter__(self): + """Get an iterator over the file's lines. + """ + while True: + line = self.readline() + if not line: + break + yield line +#class ExFileObject + +#------------------ +# Exported Classes +#------------------ +class TarInfo(object): + """Informational class which holds the details about an + archive member given by a tar header block. + TarInfo objects are returned by TarFile.getmember(), + TarFile.getmembers() and TarFile.gettarinfo() and are + usually created internally. + """ + + __slots__ = ("name", "mode", "uid", "gid", "size", "mtime", + "chksum", "type", "linkname", "uname", "gname", + "devmajor", "devminor", + "offset", "offset_data", "pax_headers", "sparse", + "tarfile", "_sparse_structs", "_link_target") + + def __init__(self, name=""): + """Construct a TarInfo object. name is the optional name + of the member. + """ + self.name = name # member name + self.mode = 0o644 # file permissions + self.uid = 0 # user id + self.gid = 0 # group id + self.size = 0 # file size + self.mtime = 0 # modification time + self.chksum = 0 # header checksum + self.type = REGTYPE # member type + self.linkname = "" # link name + self.uname = "" # user name + self.gname = "" # group name + self.devmajor = 0 # device major number + self.devminor = 0 # device minor number + + self.offset = 0 # the tar header starts here + self.offset_data = 0 # the file's data starts here + + self.sparse = None # sparse member information + self.pax_headers = {} # pax header information + + # In pax headers the "name" and "linkname" field are called + # "path" and "linkpath". + def _getpath(self): + return self.name + def _setpath(self, name): + self.name = name + path = property(_getpath, _setpath) + + def _getlinkpath(self): + return self.linkname + def _setlinkpath(self, linkname): + self.linkname = linkname + linkpath = property(_getlinkpath, _setlinkpath) + + def __repr__(self): + return "<%s %r at %#x>" % (self.__class__.__name__,self.name,id(self)) + + def get_info(self): + """Return the TarInfo's attributes as a dictionary. + """ + info = { + "name": self.name, + "mode": self.mode & 0o7777, + "uid": self.uid, + "gid": self.gid, + "size": self.size, + "mtime": self.mtime, + "chksum": self.chksum, + "type": self.type, + "linkname": self.linkname, + "uname": self.uname, + "gname": self.gname, + "devmajor": self.devmajor, + "devminor": self.devminor + } + + if info["type"] == DIRTYPE and not info["name"].endswith("/"): + info["name"] += "/" + + return info + + def tobuf(self, format=DEFAULT_FORMAT, encoding=ENCODING, errors="surrogateescape"): + """Return a tar header as a string of 512 byte blocks. + """ + info = self.get_info() + + if format == USTAR_FORMAT: + return self.create_ustar_header(info, encoding, errors) + elif format == GNU_FORMAT: + return self.create_gnu_header(info, encoding, errors) + elif format == PAX_FORMAT: + return self.create_pax_header(info, encoding) + else: + raise ValueError("invalid format") + + def create_ustar_header(self, info, encoding, errors): + """Return the object as a ustar header block. + """ + info["magic"] = POSIX_MAGIC + + if len(info["linkname"]) > LENGTH_LINK: + raise ValueError("linkname is too long") + + if len(info["name"]) > LENGTH_NAME: + info["prefix"], info["name"] = self._posix_split_name(info["name"]) + + return self._create_header(info, USTAR_FORMAT, encoding, errors) + + def create_gnu_header(self, info, encoding, errors): + """Return the object as a GNU header block sequence. + """ + info["magic"] = GNU_MAGIC + + buf = b"" + if len(info["linkname"]) > LENGTH_LINK: + buf += self._create_gnu_long_header(info["linkname"], GNUTYPE_LONGLINK, encoding, errors) + + if len(info["name"]) > LENGTH_NAME: + buf += self._create_gnu_long_header(info["name"], GNUTYPE_LONGNAME, encoding, errors) + + return buf + self._create_header(info, GNU_FORMAT, encoding, errors) + + def create_pax_header(self, info, encoding): + """Return the object as a ustar header block. If it cannot be + represented this way, prepend a pax extended header sequence + with supplement information. + """ + info["magic"] = POSIX_MAGIC + pax_headers = self.pax_headers.copy() + + # Test string fields for values that exceed the field length or cannot + # be represented in ASCII encoding. + for name, hname, length in ( + ("name", "path", LENGTH_NAME), ("linkname", "linkpath", LENGTH_LINK), + ("uname", "uname", 32), ("gname", "gname", 32)): + + if hname in pax_headers: + # The pax header has priority. + continue + + # Try to encode the string as ASCII. + try: + info[name].encode("ascii", "strict") + except UnicodeEncodeError: + pax_headers[hname] = info[name] + continue + + if len(info[name]) > length: + pax_headers[hname] = info[name] + + # Test number fields for values that exceed the field limit or values + # that like to be stored as float. + for name, digits in (("uid", 8), ("gid", 8), ("size", 12), ("mtime", 12)): + if name in pax_headers: + # The pax header has priority. Avoid overflow. + info[name] = 0 + continue + + val = info[name] + if not 0 <= val < 8 ** (digits - 1) or isinstance(val, float): + pax_headers[name] = str(val) + info[name] = 0 + + # Create a pax extended header if necessary. + if pax_headers: + buf = self._create_pax_generic_header(pax_headers, XHDTYPE, encoding) + else: + buf = b"" + + return buf + self._create_header(info, USTAR_FORMAT, "ascii", "replace") + + @classmethod + def create_pax_global_header(cls, pax_headers): + """Return the object as a pax global header block sequence. + """ + return cls._create_pax_generic_header(pax_headers, XGLTYPE, "utf8") + + def _posix_split_name(self, name): + """Split a name longer than 100 chars into a prefix + and a name part. + """ + prefix = name[:LENGTH_PREFIX + 1] + while prefix and prefix[-1] != "/": + prefix = prefix[:-1] + + name = name[len(prefix):] + prefix = prefix[:-1] + + if not prefix or len(name) > LENGTH_NAME: + raise ValueError("name is too long") + return prefix, name + + @staticmethod + def _create_header(info, format, encoding, errors): + """Return a header block. info is a dictionary with file + information, format must be one of the *_FORMAT constants. + """ + parts = [ + stn(info.get("name", ""), 100, encoding, errors), + itn(info.get("mode", 0) & 0o7777, 8, format), + itn(info.get("uid", 0), 8, format), + itn(info.get("gid", 0), 8, format), + itn(info.get("size", 0), 12, format), + itn(info.get("mtime", 0), 12, format), + b" ", # checksum field + info.get("type", REGTYPE), + stn(info.get("linkname", ""), 100, encoding, errors), + info.get("magic", POSIX_MAGIC), + stn(info.get("uname", ""), 32, encoding, errors), + stn(info.get("gname", ""), 32, encoding, errors), + itn(info.get("devmajor", 0), 8, format), + itn(info.get("devminor", 0), 8, format), + stn(info.get("prefix", ""), 155, encoding, errors) + ] + + buf = struct.pack("%ds" % BLOCKSIZE, b"".join(parts)) + chksum = calc_chksums(buf[-BLOCKSIZE:])[0] + buf = buf[:-364] + ("%06o\0" % chksum).encode("ascii") + buf[-357:] + return buf + + @staticmethod + def _create_payload(payload): + """Return the string payload filled with zero bytes + up to the next 512 byte border. + """ + blocks, remainder = divmod(len(payload), BLOCKSIZE) + if remainder > 0: + payload += (BLOCKSIZE - remainder) * NUL + return payload + + @classmethod + def _create_gnu_long_header(cls, name, type, encoding, errors): + """Return a GNUTYPE_LONGNAME or GNUTYPE_LONGLINK sequence + for name. + """ + name = name.encode(encoding, errors) + NUL + + info = {} + info["name"] = "././@LongLink" + info["type"] = type + info["size"] = len(name) + info["magic"] = GNU_MAGIC + + # create extended header + name blocks. + return cls._create_header(info, USTAR_FORMAT, encoding, errors) + \ + cls._create_payload(name) + + @classmethod + def _create_pax_generic_header(cls, pax_headers, type, encoding): + """Return a POSIX.1-2008 extended or global header sequence + that contains a list of keyword, value pairs. The values + must be strings. + """ + # Check if one of the fields contains surrogate characters and thereby + # forces hdrcharset=BINARY, see _proc_pax() for more information. + binary = False + for keyword, value in pax_headers.items(): + try: + value.encode("utf8", "strict") + except UnicodeEncodeError: + binary = True + break + + records = b"" + if binary: + # Put the hdrcharset field at the beginning of the header. + records += b"21 hdrcharset=BINARY\n" + + for keyword, value in pax_headers.items(): + keyword = keyword.encode("utf8") + if binary: + # Try to restore the original byte representation of `value'. + # Needless to say, that the encoding must match the string. + value = value.encode(encoding, "surrogateescape") + else: + value = value.encode("utf8") + + l = len(keyword) + len(value) + 3 # ' ' + '=' + '\n' + n = p = 0 + while True: + n = l + len(str(p)) + if n == p: + break + p = n + records += bytes(str(p), "ascii") + b" " + keyword + b"=" + value + b"\n" + + # We use a hardcoded "././@PaxHeader" name like star does + # instead of the one that POSIX recommends. + info = {} + info["name"] = "././@PaxHeader" + info["type"] = type + info["size"] = len(records) + info["magic"] = POSIX_MAGIC + + # Create pax header + record blocks. + return cls._create_header(info, USTAR_FORMAT, "ascii", "replace") + \ + cls._create_payload(records) + + @classmethod + def frombuf(cls, buf, encoding, errors): + """Construct a TarInfo object from a 512 byte bytes object. + """ + if len(buf) == 0: + raise EmptyHeaderError("empty header") + if len(buf) != BLOCKSIZE: + raise TruncatedHeaderError("truncated header") + if buf.count(NUL) == BLOCKSIZE: + raise EOFHeaderError("end of file header") + + chksum = nti(buf[148:156]) + if chksum not in calc_chksums(buf): + raise InvalidHeaderError("bad checksum") + + obj = cls() + obj.name = nts(buf[0:100], encoding, errors) + obj.mode = nti(buf[100:108]) + obj.uid = nti(buf[108:116]) + obj.gid = nti(buf[116:124]) + obj.size = nti(buf[124:136]) + obj.mtime = nti(buf[136:148]) + obj.chksum = chksum + obj.type = buf[156:157] + obj.linkname = nts(buf[157:257], encoding, errors) + obj.uname = nts(buf[265:297], encoding, errors) + obj.gname = nts(buf[297:329], encoding, errors) + obj.devmajor = nti(buf[329:337]) + obj.devminor = nti(buf[337:345]) + prefix = nts(buf[345:500], encoding, errors) + + # Old V7 tar format represents a directory as a regular + # file with a trailing slash. + if obj.type == AREGTYPE and obj.name.endswith("/"): + obj.type = DIRTYPE + + # The old GNU sparse format occupies some of the unused + # space in the buffer for up to 4 sparse structures. + # Save the them for later processing in _proc_sparse(). + if obj.type == GNUTYPE_SPARSE: + pos = 386 + structs = [] + for i in range(4): + try: + offset = nti(buf[pos:pos + 12]) + numbytes = nti(buf[pos + 12:pos + 24]) + except ValueError: + break + structs.append((offset, numbytes)) + pos += 24 + isextended = bool(buf[482]) + origsize = nti(buf[483:495]) + obj._sparse_structs = (structs, isextended, origsize) + + # Remove redundant slashes from directories. + if obj.isdir(): + obj.name = obj.name.rstrip("/") + + # Reconstruct a ustar longname. + if prefix and obj.type not in GNU_TYPES: + obj.name = prefix + "/" + obj.name + return obj + + @classmethod + def fromtarfile(cls, tarfile): + """Return the next TarInfo object from TarFile object + tarfile. + """ + buf = tarfile.fileobj.read(BLOCKSIZE) + obj = cls.frombuf(buf, tarfile.encoding, tarfile.errors) + obj.offset = tarfile.fileobj.tell() - BLOCKSIZE + return obj._proc_member(tarfile) + + #-------------------------------------------------------------------------- + # The following are methods that are called depending on the type of a + # member. The entry point is _proc_member() which can be overridden in a + # subclass to add custom _proc_*() methods. A _proc_*() method MUST + # implement the following + # operations: + # 1. Set self.offset_data to the position where the data blocks begin, + # if there is data that follows. + # 2. Set tarfile.offset to the position where the next member's header will + # begin. + # 3. Return self or another valid TarInfo object. + def _proc_member(self, tarfile): + """Choose the right processing method depending on + the type and call it. + """ + if self.type in (GNUTYPE_LONGNAME, GNUTYPE_LONGLINK): + return self._proc_gnulong(tarfile) + elif self.type == GNUTYPE_SPARSE: + return self._proc_sparse(tarfile) + elif self.type in (XHDTYPE, XGLTYPE, SOLARIS_XHDTYPE): + return self._proc_pax(tarfile) + else: + return self._proc_builtin(tarfile) + + def _proc_builtin(self, tarfile): + """Process a builtin type or an unknown type which + will be treated as a regular file. + """ + self.offset_data = tarfile.fileobj.tell() + offset = self.offset_data + if self.isreg() or self.type not in SUPPORTED_TYPES: + # Skip the following data blocks. + offset += self._block(self.size) + tarfile.offset = offset + + # Patch the TarInfo object with saved global + # header information. + self._apply_pax_info(tarfile.pax_headers, tarfile.encoding, tarfile.errors) + + return self + + def _proc_gnulong(self, tarfile): + """Process the blocks that hold a GNU longname + or longlink member. + """ + buf = tarfile.fileobj.read(self._block(self.size)) + + # Fetch the next header and process it. + try: + next = self.fromtarfile(tarfile) + except HeaderError: + raise SubsequentHeaderError("missing or bad subsequent header") + + # Patch the TarInfo object from the next header with + # the longname information. + next.offset = self.offset + if self.type == GNUTYPE_LONGNAME: + next.name = nts(buf, tarfile.encoding, tarfile.errors) + elif self.type == GNUTYPE_LONGLINK: + next.linkname = nts(buf, tarfile.encoding, tarfile.errors) + + return next + + def _proc_sparse(self, tarfile): + """Process a GNU sparse header plus extra headers. + """ + # We already collected some sparse structures in frombuf(). + structs, isextended, origsize = self._sparse_structs + del self._sparse_structs + + # Collect sparse structures from extended header blocks. + while isextended: + buf = tarfile.fileobj.read(BLOCKSIZE) + pos = 0 + for i in range(21): + try: + offset = nti(buf[pos:pos + 12]) + numbytes = nti(buf[pos + 12:pos + 24]) + except ValueError: + break + if offset and numbytes: + structs.append((offset, numbytes)) + pos += 24 + isextended = bool(buf[504]) + self.sparse = structs + + self.offset_data = tarfile.fileobj.tell() + tarfile.offset = self.offset_data + self._block(self.size) + self.size = origsize + return self + + def _proc_pax(self, tarfile): + """Process an extended or global header as described in + POSIX.1-2008. + """ + # Read the header information. + buf = tarfile.fileobj.read(self._block(self.size)) + + # A pax header stores supplemental information for either + # the following file (extended) or all following files + # (global). + if self.type == XGLTYPE: + pax_headers = tarfile.pax_headers + else: + pax_headers = tarfile.pax_headers.copy() + + # Check if the pax header contains a hdrcharset field. This tells us + # the encoding of the path, linkpath, uname and gname fields. Normally, + # these fields are UTF-8 encoded but since POSIX.1-2008 tar + # implementations are allowed to store them as raw binary strings if + # the translation to UTF-8 fails. + match = re.search(br"\d+ hdrcharset=([^\n]+)\n", buf) + if match is not None: + pax_headers["hdrcharset"] = match.group(1).decode("utf8") + + # For the time being, we don't care about anything other than "BINARY". + # The only other value that is currently allowed by the standard is + # "ISO-IR 10646 2000 UTF-8" in other words UTF-8. + hdrcharset = pax_headers.get("hdrcharset") + if hdrcharset == "BINARY": + encoding = tarfile.encoding + else: + encoding = "utf8" + + # Parse pax header information. A record looks like that: + # "%d %s=%s\n" % (length, keyword, value). length is the size + # of the complete record including the length field itself and + # the newline. keyword and value are both UTF-8 encoded strings. + regex = re.compile(br"(\d+) ([^=]+)=") + pos = 0 + while True: + match = regex.match(buf, pos) + if not match: + break + + length, keyword = match.groups() + length = int(length) + value = buf[match.end(2) + 1:match.start(1) + length - 1] + + # Normally, we could just use "utf8" as the encoding and "strict" + # as the error handler, but we better not take the risk. For + # example, GNU tar <= 1.23 is known to store filenames it cannot + # translate to UTF-8 as raw strings (unfortunately without a + # hdrcharset=BINARY header). + # We first try the strict standard encoding, and if that fails we + # fall back on the user's encoding and error handler. + keyword = self._decode_pax_field(keyword, "utf8", "utf8", + tarfile.errors) + if keyword in PAX_NAME_FIELDS: + value = self._decode_pax_field(value, encoding, tarfile.encoding, + tarfile.errors) + else: + value = self._decode_pax_field(value, "utf8", "utf8", + tarfile.errors) + + pax_headers[keyword] = value + pos += length + + # Fetch the next header. + try: + next = self.fromtarfile(tarfile) + except HeaderError: + raise SubsequentHeaderError("missing or bad subsequent header") + + # Process GNU sparse information. + if "GNU.sparse.map" in pax_headers: + # GNU extended sparse format version 0.1. + self._proc_gnusparse_01(next, pax_headers) + + elif "GNU.sparse.size" in pax_headers: + # GNU extended sparse format version 0.0. + self._proc_gnusparse_00(next, pax_headers, buf) + + elif pax_headers.get("GNU.sparse.major") == "1" and pax_headers.get("GNU.sparse.minor") == "0": + # GNU extended sparse format version 1.0. + self._proc_gnusparse_10(next, pax_headers, tarfile) + + if self.type in (XHDTYPE, SOLARIS_XHDTYPE): + # Patch the TarInfo object with the extended header info. + next._apply_pax_info(pax_headers, tarfile.encoding, tarfile.errors) + next.offset = self.offset + + if "size" in pax_headers: + # If the extended header replaces the size field, + # we need to recalculate the offset where the next + # header starts. + offset = next.offset_data + if next.isreg() or next.type not in SUPPORTED_TYPES: + offset += next._block(next.size) + tarfile.offset = offset + + return next + + def _proc_gnusparse_00(self, next, pax_headers, buf): + """Process a GNU tar extended sparse header, version 0.0. + """ + offsets = [] + for match in re.finditer(br"\d+ GNU.sparse.offset=(\d+)\n", buf): + offsets.append(int(match.group(1))) + numbytes = [] + for match in re.finditer(br"\d+ GNU.sparse.numbytes=(\d+)\n", buf): + numbytes.append(int(match.group(1))) + next.sparse = list(zip(offsets, numbytes)) + + def _proc_gnusparse_01(self, next, pax_headers): + """Process a GNU tar extended sparse header, version 0.1. + """ + sparse = [int(x) for x in pax_headers["GNU.sparse.map"].split(",")] + next.sparse = list(zip(sparse[::2], sparse[1::2])) + + def _proc_gnusparse_10(self, next, pax_headers, tarfile): + """Process a GNU tar extended sparse header, version 1.0. + """ + fields = None + sparse = [] + buf = tarfile.fileobj.read(BLOCKSIZE) + fields, buf = buf.split(b"\n", 1) + fields = int(fields) + while len(sparse) < fields * 2: + if b"\n" not in buf: + buf += tarfile.fileobj.read(BLOCKSIZE) + number, buf = buf.split(b"\n", 1) + sparse.append(int(number)) + next.offset_data = tarfile.fileobj.tell() + next.sparse = list(zip(sparse[::2], sparse[1::2])) + + def _apply_pax_info(self, pax_headers, encoding, errors): + """Replace fields with supplemental information from a previous + pax extended or global header. + """ + for keyword, value in pax_headers.items(): + if keyword == "GNU.sparse.name": + setattr(self, "path", value) + elif keyword == "GNU.sparse.size": + setattr(self, "size", int(value)) + elif keyword == "GNU.sparse.realsize": + setattr(self, "size", int(value)) + elif keyword in PAX_FIELDS: + if keyword in PAX_NUMBER_FIELDS: + try: + value = PAX_NUMBER_FIELDS[keyword](value) + except ValueError: + value = 0 + if keyword == "path": + value = value.rstrip("/") + setattr(self, keyword, value) + + self.pax_headers = pax_headers.copy() + + def _decode_pax_field(self, value, encoding, fallback_encoding, fallback_errors): + """Decode a single field from a pax record. + """ + try: + return value.decode(encoding, "strict") + except UnicodeDecodeError: + return value.decode(fallback_encoding, fallback_errors) + + def _block(self, count): + """Round up a byte count by BLOCKSIZE and return it, + e.g. _block(834) => 1024. + """ + blocks, remainder = divmod(count, BLOCKSIZE) + if remainder: + blocks += 1 + return blocks * BLOCKSIZE + + def isreg(self): + return self.type in REGULAR_TYPES + def isfile(self): + return self.isreg() + def isdir(self): + return self.type == DIRTYPE + def issym(self): + return self.type == SYMTYPE + def islnk(self): + return self.type == LNKTYPE + def ischr(self): + return self.type == CHRTYPE + def isblk(self): + return self.type == BLKTYPE + def isfifo(self): + return self.type == FIFOTYPE + def issparse(self): + return self.sparse is not None + def isdev(self): + return self.type in (CHRTYPE, BLKTYPE, FIFOTYPE) +# class TarInfo + +class TarFile(object): + """The TarFile Class provides an interface to tar archives. + """ + + debug = 0 # May be set from 0 (no msgs) to 3 (all msgs) + + dereference = False # If true, add content of linked file to the + # tar file, else the link. + + ignore_zeros = False # If true, skips empty or invalid blocks and + # continues processing. + + errorlevel = 1 # If 0, fatal errors only appear in debug + # messages (if debug >= 0). If > 0, errors + # are passed to the caller as exceptions. + + format = DEFAULT_FORMAT # The format to use when creating an archive. + + encoding = ENCODING # Encoding for 8-bit character strings. + + errors = None # Error handler for unicode conversion. + + tarinfo = TarInfo # The default TarInfo class to use. + + fileobject = ExFileObject # The default ExFileObject class to use. + + def __init__(self, name=None, mode="r", fileobj=None, format=None, + tarinfo=None, dereference=None, ignore_zeros=None, encoding=None, + errors="surrogateescape", pax_headers=None, debug=None, errorlevel=None): + """Open an (uncompressed) tar archive `name'. `mode' is either 'r' to + read from an existing archive, 'a' to append data to an existing + file or 'w' to create a new file overwriting an existing one. `mode' + defaults to 'r'. + If `fileobj' is given, it is used for reading or writing data. If it + can be determined, `mode' is overridden by `fileobj's mode. + `fileobj' is not closed, when TarFile is closed. + """ + if len(mode) > 1 or mode not in "raw": + raise ValueError("mode must be 'r', 'a' or 'w'") + self.mode = mode + self._mode = {"r": "rb", "a": "r+b", "w": "wb"}[mode] + + if not fileobj: + if self.mode == "a" and not os.path.exists(name): + # Create nonexistent files in append mode. + self.mode = "w" + self._mode = "wb" + fileobj = bltn_open(name, self._mode) + self._extfileobj = False + else: + if name is None and hasattr(fileobj, "name"): + name = fileobj.name + if hasattr(fileobj, "mode"): + self._mode = fileobj.mode + self._extfileobj = True + self.name = os.path.abspath(name) if name else None + self.fileobj = fileobj + + # Init attributes. + if format is not None: + self.format = format + if tarinfo is not None: + self.tarinfo = tarinfo + if dereference is not None: + self.dereference = dereference + if ignore_zeros is not None: + self.ignore_zeros = ignore_zeros + if encoding is not None: + self.encoding = encoding + self.errors = errors + + if pax_headers is not None and self.format == PAX_FORMAT: + self.pax_headers = pax_headers + else: + self.pax_headers = {} + + if debug is not None: + self.debug = debug + if errorlevel is not None: + self.errorlevel = errorlevel + + # Init datastructures. + self.closed = False + self.members = [] # list of members as TarInfo objects + self._loaded = False # flag if all members have been read + self.offset = self.fileobj.tell() + # current position in the archive file + self.inodes = {} # dictionary caching the inodes of + # archive members already added + + try: + if self.mode == "r": + self.firstmember = None + self.firstmember = self.next() + + if self.mode == "a": + # Move to the end of the archive, + # before the first empty block. + while True: + self.fileobj.seek(self.offset) + try: + tarinfo = self.tarinfo.fromtarfile(self) + self.members.append(tarinfo) + except EOFHeaderError: + self.fileobj.seek(self.offset) + break + except HeaderError as e: + raise ReadError(str(e)) + + if self.mode in "aw": + self._loaded = True + + if self.pax_headers: + buf = self.tarinfo.create_pax_global_header(self.pax_headers.copy()) + self.fileobj.write(buf) + self.offset += len(buf) + except: + if not self._extfileobj: + self.fileobj.close() + self.closed = True + raise + + #-------------------------------------------------------------------------- + # Below are the classmethods which act as alternate constructors to the + # TarFile class. The open() method is the only one that is needed for + # public use; it is the "super"-constructor and is able to select an + # adequate "sub"-constructor for a particular compression using the mapping + # from OPEN_METH. + # + # This concept allows one to subclass TarFile without losing the comfort of + # the super-constructor. A sub-constructor is registered and made available + # by adding it to the mapping in OPEN_METH. + + @classmethod + def open(cls, name=None, mode="r", fileobj=None, bufsize=RECORDSIZE, **kwargs): + """Open a tar archive for reading, writing or appending. Return + an appropriate TarFile class. + + mode: + 'r' or 'r:*' open for reading with transparent compression + 'r:' open for reading exclusively uncompressed + 'r:gz' open for reading with gzip compression + 'r:bz2' open for reading with bzip2 compression + 'a' or 'a:' open for appending, creating the file if necessary + 'w' or 'w:' open for writing without compression + 'w:gz' open for writing with gzip compression + 'w:bz2' open for writing with bzip2 compression + + 'r|*' open a stream of tar blocks with transparent compression + 'r|' open an uncompressed stream of tar blocks for reading + 'r|gz' open a gzip compressed stream of tar blocks + 'r|bz2' open a bzip2 compressed stream of tar blocks + 'w|' open an uncompressed stream for writing + 'w|gz' open a gzip compressed stream for writing + 'w|bz2' open a bzip2 compressed stream for writing + """ + + if not name and not fileobj: + raise ValueError("nothing to open") + + if mode in ("r", "r:*"): + # Find out which *open() is appropriate for opening the file. + for comptype in cls.OPEN_METH: + func = getattr(cls, cls.OPEN_METH[comptype]) + if fileobj is not None: + saved_pos = fileobj.tell() + try: + return func(name, "r", fileobj, **kwargs) + except (ReadError, CompressionError) as e: + if fileobj is not None: + fileobj.seek(saved_pos) + continue + raise ReadError("file could not be opened successfully") + + elif ":" in mode: + filemode, comptype = mode.split(":", 1) + filemode = filemode or "r" + comptype = comptype or "tar" + + # Select the *open() function according to + # given compression. + if comptype in cls.OPEN_METH: + func = getattr(cls, cls.OPEN_METH[comptype]) + else: + raise CompressionError("unknown compression type %r" % comptype) + return func(name, filemode, fileobj, **kwargs) + + elif "|" in mode: + filemode, comptype = mode.split("|", 1) + filemode = filemode or "r" + comptype = comptype or "tar" + + if filemode not in "rw": + raise ValueError("mode must be 'r' or 'w'") + + stream = _Stream(name, filemode, comptype, fileobj, bufsize) + try: + t = cls(name, filemode, stream, **kwargs) + except: + stream.close() + raise + t._extfileobj = False + return t + + elif mode in "aw": + return cls.taropen(name, mode, fileobj, **kwargs) + + raise ValueError("undiscernible mode") + + @classmethod + def taropen(cls, name, mode="r", fileobj=None, **kwargs): + """Open uncompressed tar archive name for reading or writing. + """ + if len(mode) > 1 or mode not in "raw": + raise ValueError("mode must be 'r', 'a' or 'w'") + return cls(name, mode, fileobj, **kwargs) + + @classmethod + def gzopen(cls, name, mode="r", fileobj=None, compresslevel=9, **kwargs): + """Open gzip compressed tar archive name for reading or writing. + Appending is not allowed. + """ + if len(mode) > 1 or mode not in "rw": + raise ValueError("mode must be 'r' or 'w'") + + try: + import gzip + gzip.GzipFile + except (ImportError, AttributeError): + raise CompressionError("gzip module is not available") + + extfileobj = fileobj is not None + try: + fileobj = gzip.GzipFile(name, mode + "b", compresslevel, fileobj) + t = cls.taropen(name, mode, fileobj, **kwargs) + except IOError: + if not extfileobj and fileobj is not None: + fileobj.close() + if fileobj is None: + raise + raise ReadError("not a gzip file") + except: + if not extfileobj and fileobj is not None: + fileobj.close() + raise + t._extfileobj = extfileobj + return t + + @classmethod + def bz2open(cls, name, mode="r", fileobj=None, compresslevel=9, **kwargs): + """Open bzip2 compressed tar archive name for reading or writing. + Appending is not allowed. + """ + if len(mode) > 1 or mode not in "rw": + raise ValueError("mode must be 'r' or 'w'.") + + try: + import bz2 + except ImportError: + raise CompressionError("bz2 module is not available") + + if fileobj is not None: + fileobj = _BZ2Proxy(fileobj, mode) + else: + fileobj = bz2.BZ2File(name, mode, compresslevel=compresslevel) + + try: + t = cls.taropen(name, mode, fileobj, **kwargs) + except (IOError, EOFError): + fileobj.close() + raise ReadError("not a bzip2 file") + t._extfileobj = False + return t + + # All *open() methods are registered here. + OPEN_METH = { + "tar": "taropen", # uncompressed tar + "gz": "gzopen", # gzip compressed tar + "bz2": "bz2open" # bzip2 compressed tar + } + + #-------------------------------------------------------------------------- + # The public methods which TarFile provides: + + def close(self): + """Close the TarFile. In write-mode, two finishing zero blocks are + appended to the archive. + """ + if self.closed: + return + + if self.mode in "aw": + self.fileobj.write(NUL * (BLOCKSIZE * 2)) + self.offset += (BLOCKSIZE * 2) + # fill up the end with zero-blocks + # (like option -b20 for tar does) + blocks, remainder = divmod(self.offset, RECORDSIZE) + if remainder > 0: + self.fileobj.write(NUL * (RECORDSIZE - remainder)) + + if not self._extfileobj: + self.fileobj.close() + self.closed = True + + def getmember(self, name): + """Return a TarInfo object for member `name'. If `name' can not be + found in the archive, KeyError is raised. If a member occurs more + than once in the archive, its last occurrence is assumed to be the + most up-to-date version. + """ + tarinfo = self._getmember(name) + if tarinfo is None: + raise KeyError("filename %r not found" % name) + return tarinfo + + def getmembers(self): + """Return the members of the archive as a list of TarInfo objects. The + list has the same order as the members in the archive. + """ + self._check() + if not self._loaded: # if we want to obtain a list of + self._load() # all members, we first have to + # scan the whole archive. + return self.members + + def getnames(self): + """Return the members of the archive as a list of their names. It has + the same order as the list returned by getmembers(). + """ + return [tarinfo.name for tarinfo in self.getmembers()] + + def gettarinfo(self, name=None, arcname=None, fileobj=None): + """Create a TarInfo object for either the file `name' or the file + object `fileobj' (using os.fstat on its file descriptor). You can + modify some of the TarInfo's attributes before you add it using + addfile(). If given, `arcname' specifies an alternative name for the + file in the archive. + """ + self._check("aw") + + # When fileobj is given, replace name by + # fileobj's real name. + if fileobj is not None: + name = fileobj.name + + # Building the name of the member in the archive. + # Backward slashes are converted to forward slashes, + # Absolute paths are turned to relative paths. + if arcname is None: + arcname = name + drv, arcname = os.path.splitdrive(arcname) + arcname = arcname.replace(os.sep, "/") + arcname = arcname.lstrip("/") + + # Now, fill the TarInfo object with + # information specific for the file. + tarinfo = self.tarinfo() + tarinfo.tarfile = self + + # Use os.stat or os.lstat, depending on platform + # and if symlinks shall be resolved. + if fileobj is None: + if hasattr(os, "lstat") and not self.dereference: + statres = os.lstat(name) + else: + statres = os.stat(name) + else: + statres = os.fstat(fileobj.fileno()) + linkname = "" + + stmd = statres.st_mode + if stat.S_ISREG(stmd): + inode = (statres.st_ino, statres.st_dev) + if not self.dereference and statres.st_nlink > 1 and \ + inode in self.inodes and arcname != self.inodes[inode]: + # Is it a hardlink to an already + # archived file? + type = LNKTYPE + linkname = self.inodes[inode] + else: + # The inode is added only if its valid. + # For win32 it is always 0. + type = REGTYPE + if inode[0]: + self.inodes[inode] = arcname + elif stat.S_ISDIR(stmd): + type = DIRTYPE + elif stat.S_ISFIFO(stmd): + type = FIFOTYPE + elif stat.S_ISLNK(stmd): + type = SYMTYPE + linkname = os.readlink(name) + elif stat.S_ISCHR(stmd): + type = CHRTYPE + elif stat.S_ISBLK(stmd): + type = BLKTYPE + else: + return None + + # Fill the TarInfo object with all + # information we can get. + tarinfo.name = arcname + tarinfo.mode = stmd + tarinfo.uid = statres.st_uid + tarinfo.gid = statres.st_gid + if type == REGTYPE: + tarinfo.size = statres.st_size + else: + tarinfo.size = 0 + tarinfo.mtime = statres.st_mtime + tarinfo.type = type + tarinfo.linkname = linkname + if pwd: + try: + tarinfo.uname = pwd.getpwuid(tarinfo.uid)[0] + except KeyError: + pass + if grp: + try: + tarinfo.gname = grp.getgrgid(tarinfo.gid)[0] + except KeyError: + pass + + if type in (CHRTYPE, BLKTYPE): + if hasattr(os, "major") and hasattr(os, "minor"): + tarinfo.devmajor = os.major(statres.st_rdev) + tarinfo.devminor = os.minor(statres.st_rdev) + return tarinfo + + def list(self, verbose=True): + """Print a table of contents to sys.stdout. If `verbose' is False, only + the names of the members are printed. If it is True, an `ls -l'-like + output is produced. + """ + self._check() + + for tarinfo in self: + if verbose: + print(filemode(tarinfo.mode), end=' ') + print("%s/%s" % (tarinfo.uname or tarinfo.uid, + tarinfo.gname or tarinfo.gid), end=' ') + if tarinfo.ischr() or tarinfo.isblk(): + print("%10s" % ("%d,%d" \ + % (tarinfo.devmajor, tarinfo.devminor)), end=' ') + else: + print("%10d" % tarinfo.size, end=' ') + print("%d-%02d-%02d %02d:%02d:%02d" \ + % time.localtime(tarinfo.mtime)[:6], end=' ') + + print(tarinfo.name + ("/" if tarinfo.isdir() else ""), end=' ') + + if verbose: + if tarinfo.issym(): + print("->", tarinfo.linkname, end=' ') + if tarinfo.islnk(): + print("link to", tarinfo.linkname, end=' ') + print() + + def add(self, name, arcname=None, recursive=True, exclude=None, filter=None): + """Add the file `name' to the archive. `name' may be any type of file + (directory, fifo, symbolic link, etc.). If given, `arcname' + specifies an alternative name for the file in the archive. + Directories are added recursively by default. This can be avoided by + setting `recursive' to False. `exclude' is a function that should + return True for each filename to be excluded. `filter' is a function + that expects a TarInfo object argument and returns the changed + TarInfo object, if it returns None the TarInfo object will be + excluded from the archive. + """ + self._check("aw") + + if arcname is None: + arcname = name + + # Exclude pathnames. + if exclude is not None: + import warnings + warnings.warn("use the filter argument instead", + DeprecationWarning, 2) + if exclude(name): + self._dbg(2, "tarfile: Excluded %r" % name) + return + + # Skip if somebody tries to archive the archive... + if self.name is not None and os.path.abspath(name) == self.name: + self._dbg(2, "tarfile: Skipped %r" % name) + return + + self._dbg(1, name) + + # Create a TarInfo object from the file. + tarinfo = self.gettarinfo(name, arcname) + + if tarinfo is None: + self._dbg(1, "tarfile: Unsupported type %r" % name) + return + + # Change or exclude the TarInfo object. + if filter is not None: + tarinfo = filter(tarinfo) + if tarinfo is None: + self._dbg(2, "tarfile: Excluded %r" % name) + return + + # Append the tar header and data to the archive. + if tarinfo.isreg(): + f = bltn_open(name, "rb") + self.addfile(tarinfo, f) + f.close() + + elif tarinfo.isdir(): + self.addfile(tarinfo) + if recursive: + for f in os.listdir(name): + self.add(os.path.join(name, f), os.path.join(arcname, f), + recursive, exclude, filter=filter) + + else: + self.addfile(tarinfo) + + def addfile(self, tarinfo, fileobj=None): + """Add the TarInfo object `tarinfo' to the archive. If `fileobj' is + given, tarinfo.size bytes are read from it and added to the archive. + You can create TarInfo objects using gettarinfo(). + On Windows platforms, `fileobj' should always be opened with mode + 'rb' to avoid irritation about the file size. + """ + self._check("aw") + + tarinfo = copy.copy(tarinfo) + + buf = tarinfo.tobuf(self.format, self.encoding, self.errors) + self.fileobj.write(buf) + self.offset += len(buf) + + # If there's data to follow, append it. + if fileobj is not None: + copyfileobj(fileobj, self.fileobj, tarinfo.size) + blocks, remainder = divmod(tarinfo.size, BLOCKSIZE) + if remainder > 0: + self.fileobj.write(NUL * (BLOCKSIZE - remainder)) + blocks += 1 + self.offset += blocks * BLOCKSIZE + + self.members.append(tarinfo) + + def extractall(self, path=".", members=None): + """Extract all members from the archive to the current working + directory and set owner, modification time and permissions on + directories afterwards. `path' specifies a different directory + to extract to. `members' is optional and must be a subset of the + list returned by getmembers(). + """ + directories = [] + + if members is None: + members = self + + for tarinfo in members: + if tarinfo.isdir(): + # Extract directories with a safe mode. + directories.append(tarinfo) + tarinfo = copy.copy(tarinfo) + tarinfo.mode = 0o700 + # Do not set_attrs directories, as we will do that further down + self.extract(tarinfo, path, set_attrs=not tarinfo.isdir()) + + # Reverse sort directories. + directories.sort(key=lambda a: a.name) + directories.reverse() + + # Set correct owner, mtime and filemode on directories. + for tarinfo in directories: + dirpath = os.path.join(path, tarinfo.name) + try: + self.chown(tarinfo, dirpath) + self.utime(tarinfo, dirpath) + self.chmod(tarinfo, dirpath) + except ExtractError as e: + if self.errorlevel > 1: + raise + else: + self._dbg(1, "tarfile: %s" % e) + + def extract(self, member, path="", set_attrs=True): + """Extract a member from the archive to the current working directory, + using its full name. Its file information is extracted as accurately + as possible. `member' may be a filename or a TarInfo object. You can + specify a different directory using `path'. File attributes (owner, + mtime, mode) are set unless `set_attrs' is False. + """ + self._check("r") + + if isinstance(member, str): + tarinfo = self.getmember(member) + else: + tarinfo = member + + # Prepare the link target for makelink(). + if tarinfo.islnk(): + tarinfo._link_target = os.path.join(path, tarinfo.linkname) + + try: + self._extract_member(tarinfo, os.path.join(path, tarinfo.name), + set_attrs=set_attrs) + except EnvironmentError as e: + if self.errorlevel > 0: + raise + else: + if e.filename is None: + self._dbg(1, "tarfile: %s" % e.strerror) + else: + self._dbg(1, "tarfile: %s %r" % (e.strerror, e.filename)) + except ExtractError as e: + if self.errorlevel > 1: + raise + else: + self._dbg(1, "tarfile: %s" % e) + + def extractfile(self, member): + """Extract a member from the archive as a file object. `member' may be + a filename or a TarInfo object. If `member' is a regular file, a + file-like object is returned. If `member' is a link, a file-like + object is constructed from the link's target. If `member' is none of + the above, None is returned. + The file-like object is read-only and provides the following + methods: read(), readline(), readlines(), seek() and tell() + """ + self._check("r") + + if isinstance(member, str): + tarinfo = self.getmember(member) + else: + tarinfo = member + + if tarinfo.isreg(): + return self.fileobject(self, tarinfo) + + elif tarinfo.type not in SUPPORTED_TYPES: + # If a member's type is unknown, it is treated as a + # regular file. + return self.fileobject(self, tarinfo) + + elif tarinfo.islnk() or tarinfo.issym(): + if isinstance(self.fileobj, _Stream): + # A small but ugly workaround for the case that someone tries + # to extract a (sym)link as a file-object from a non-seekable + # stream of tar blocks. + raise StreamError("cannot extract (sym)link as file object") + else: + # A (sym)link's file object is its target's file object. + return self.extractfile(self._find_link_target(tarinfo)) + else: + # If there's no data associated with the member (directory, chrdev, + # blkdev, etc.), return None instead of a file object. + return None + + def _extract_member(self, tarinfo, targetpath, set_attrs=True): + """Extract the TarInfo object tarinfo to a physical + file called targetpath. + """ + # Fetch the TarInfo object for the given name + # and build the destination pathname, replacing + # forward slashes to platform specific separators. + targetpath = targetpath.rstrip("/") + targetpath = targetpath.replace("/", os.sep) + + # Create all upper directories. + upperdirs = os.path.dirname(targetpath) + if upperdirs and not os.path.exists(upperdirs): + # Create directories that are not part of the archive with + # default permissions. + os.makedirs(upperdirs) + + if tarinfo.islnk() or tarinfo.issym(): + self._dbg(1, "%s -> %s" % (tarinfo.name, tarinfo.linkname)) + else: + self._dbg(1, tarinfo.name) + + if tarinfo.isreg(): + self.makefile(tarinfo, targetpath) + elif tarinfo.isdir(): + self.makedir(tarinfo, targetpath) + elif tarinfo.isfifo(): + self.makefifo(tarinfo, targetpath) + elif tarinfo.ischr() or tarinfo.isblk(): + self.makedev(tarinfo, targetpath) + elif tarinfo.islnk() or tarinfo.issym(): + self.makelink(tarinfo, targetpath) + elif tarinfo.type not in SUPPORTED_TYPES: + self.makeunknown(tarinfo, targetpath) + else: + self.makefile(tarinfo, targetpath) + + if set_attrs: + self.chown(tarinfo, targetpath) + if not tarinfo.issym(): + self.chmod(tarinfo, targetpath) + self.utime(tarinfo, targetpath) + + #-------------------------------------------------------------------------- + # Below are the different file methods. They are called via + # _extract_member() when extract() is called. They can be replaced in a + # subclass to implement other functionality. + + def makedir(self, tarinfo, targetpath): + """Make a directory called targetpath. + """ + try: + # Use a safe mode for the directory, the real mode is set + # later in _extract_member(). + os.mkdir(targetpath, 0o700) + except EnvironmentError as e: + if e.errno != errno.EEXIST: + raise + + def makefile(self, tarinfo, targetpath): + """Make a file called targetpath. + """ + source = self.fileobj + source.seek(tarinfo.offset_data) + target = bltn_open(targetpath, "wb") + if tarinfo.sparse is not None: + for offset, size in tarinfo.sparse: + target.seek(offset) + copyfileobj(source, target, size) + else: + copyfileobj(source, target, tarinfo.size) + target.seek(tarinfo.size) + target.truncate() + target.close() + + def makeunknown(self, tarinfo, targetpath): + """Make a file from a TarInfo object with an unknown type + at targetpath. + """ + self.makefile(tarinfo, targetpath) + self._dbg(1, "tarfile: Unknown file type %r, " \ + "extracted as regular file." % tarinfo.type) + + def makefifo(self, tarinfo, targetpath): + """Make a fifo called targetpath. + """ + if hasattr(os, "mkfifo"): + os.mkfifo(targetpath) + else: + raise ExtractError("fifo not supported by system") + + def makedev(self, tarinfo, targetpath): + """Make a character or block device called targetpath. + """ + if not hasattr(os, "mknod") or not hasattr(os, "makedev"): + raise ExtractError("special devices not supported by system") + + mode = tarinfo.mode + if tarinfo.isblk(): + mode |= stat.S_IFBLK + else: + mode |= stat.S_IFCHR + + os.mknod(targetpath, mode, + os.makedev(tarinfo.devmajor, tarinfo.devminor)) + + def makelink(self, tarinfo, targetpath): + """Make a (symbolic) link called targetpath. If it cannot be created + (platform limitation), we try to make a copy of the referenced file + instead of a link. + """ + try: + # For systems that support symbolic and hard links. + if tarinfo.issym(): + os.symlink(tarinfo.linkname, targetpath) + else: + # See extract(). + if os.path.exists(tarinfo._link_target): + os.link(tarinfo._link_target, targetpath) + else: + self._extract_member(self._find_link_target(tarinfo), + targetpath) + except symlink_exception: + if tarinfo.issym(): + linkpath = os.path.join(os.path.dirname(tarinfo.name), + tarinfo.linkname) + else: + linkpath = tarinfo.linkname + else: + try: + self._extract_member(self._find_link_target(tarinfo), + targetpath) + except KeyError: + raise ExtractError("unable to resolve link inside archive") + + def chown(self, tarinfo, targetpath): + """Set owner of targetpath according to tarinfo. + """ + if pwd and hasattr(os, "geteuid") and os.geteuid() == 0: + # We have to be root to do so. + try: + g = grp.getgrnam(tarinfo.gname)[2] + except KeyError: + g = tarinfo.gid + try: + u = pwd.getpwnam(tarinfo.uname)[2] + except KeyError: + u = tarinfo.uid + try: + if tarinfo.issym() and hasattr(os, "lchown"): + os.lchown(targetpath, u, g) + else: + if sys.platform != "os2emx": + os.chown(targetpath, u, g) + except EnvironmentError as e: + raise ExtractError("could not change owner") + + def chmod(self, tarinfo, targetpath): + """Set file permissions of targetpath according to tarinfo. + """ + if hasattr(os, 'chmod'): + try: + os.chmod(targetpath, tarinfo.mode) + except EnvironmentError as e: + raise ExtractError("could not change mode") + + def utime(self, tarinfo, targetpath): + """Set modification time of targetpath according to tarinfo. + """ + if not hasattr(os, 'utime'): + return + try: + os.utime(targetpath, (tarinfo.mtime, tarinfo.mtime)) + except EnvironmentError as e: + raise ExtractError("could not change modification time") + + #-------------------------------------------------------------------------- + def next(self): + """Return the next member of the archive as a TarInfo object, when + TarFile is opened for reading. Return None if there is no more + available. + """ + self._check("ra") + if self.firstmember is not None: + m = self.firstmember + self.firstmember = None + return m + + # Read the next block. + self.fileobj.seek(self.offset) + tarinfo = None + while True: + try: + tarinfo = self.tarinfo.fromtarfile(self) + except EOFHeaderError as e: + if self.ignore_zeros: + self._dbg(2, "0x%X: %s" % (self.offset, e)) + self.offset += BLOCKSIZE + continue + except InvalidHeaderError as e: + if self.ignore_zeros: + self._dbg(2, "0x%X: %s" % (self.offset, e)) + self.offset += BLOCKSIZE + continue + elif self.offset == 0: + raise ReadError(str(e)) + except EmptyHeaderError: + if self.offset == 0: + raise ReadError("empty file") + except TruncatedHeaderError as e: + if self.offset == 0: + raise ReadError(str(e)) + except SubsequentHeaderError as e: + raise ReadError(str(e)) + break + + if tarinfo is not None: + self.members.append(tarinfo) + else: + self._loaded = True + + return tarinfo + + #-------------------------------------------------------------------------- + # Little helper methods: + + def _getmember(self, name, tarinfo=None, normalize=False): + """Find an archive member by name from bottom to top. + If tarinfo is given, it is used as the starting point. + """ + # Ensure that all members have been loaded. + members = self.getmembers() + + # Limit the member search list up to tarinfo. + if tarinfo is not None: + members = members[:members.index(tarinfo)] + + if normalize: + name = os.path.normpath(name) + + for member in reversed(members): + if normalize: + member_name = os.path.normpath(member.name) + else: + member_name = member.name + + if name == member_name: + return member + + def _load(self): + """Read through the entire archive file and look for readable + members. + """ + while True: + tarinfo = self.next() + if tarinfo is None: + break + self._loaded = True + + def _check(self, mode=None): + """Check if TarFile is still open, and if the operation's mode + corresponds to TarFile's mode. + """ + if self.closed: + raise IOError("%s is closed" % self.__class__.__name__) + if mode is not None and self.mode not in mode: + raise IOError("bad operation for mode %r" % self.mode) + + def _find_link_target(self, tarinfo): + """Find the target member of a symlink or hardlink member in the + archive. + """ + if tarinfo.issym(): + # Always search the entire archive. + linkname = os.path.dirname(tarinfo.name) + "/" + tarinfo.linkname + limit = None + else: + # Search the archive before the link, because a hard link is + # just a reference to an already archived file. + linkname = tarinfo.linkname + limit = tarinfo + + member = self._getmember(linkname, tarinfo=limit, normalize=True) + if member is None: + raise KeyError("linkname %r not found" % linkname) + return member + + def __iter__(self): + """Provide an iterator object. + """ + if self._loaded: + return iter(self.members) + else: + return TarIter(self) + + def _dbg(self, level, msg): + """Write debugging output to sys.stderr. + """ + if level <= self.debug: + print(msg, file=sys.stderr) + + def __enter__(self): + self._check() + return self + + def __exit__(self, type, value, traceback): + if type is None: + self.close() + else: + # An exception occurred. We must not call close() because + # it would try to write end-of-archive blocks and padding. + if not self._extfileobj: + self.fileobj.close() + self.closed = True +# class TarFile + +class TarIter(object): + """Iterator Class. + + for tarinfo in TarFile(...): + suite... + """ + + def __init__(self, tarfile): + """Construct a TarIter object. + """ + self.tarfile = tarfile + self.index = 0 + def __iter__(self): + """Return iterator object. + """ + return self + + def __next__(self): + """Return the next item using TarFile's next() method. + When all members have been read, set TarFile as _loaded. + """ + # Fix for SF #1100429: Under rare circumstances it can + # happen that getmembers() is called during iteration, + # which will cause TarIter to stop prematurely. + if not self.tarfile._loaded: + tarinfo = self.tarfile.next() + if not tarinfo: + self.tarfile._loaded = True + raise StopIteration + else: + try: + tarinfo = self.tarfile.members[self.index] + except IndexError: + raise StopIteration + self.index += 1 + return tarinfo + + next = __next__ # for Python 2.x + +#-------------------- +# exported functions +#-------------------- +def is_tarfile(name): + """Return True if name points to a tar archive that we + are able to handle, else return False. + """ + try: + t = open(name) + t.close() + return True + except TarError: + return False + +bltn_open = open +open = TarFile.open diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/compat.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/compat.py new file mode 100644 index 0000000..63af374 --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/compat.py @@ -0,0 +1,1064 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2013 Vinay Sajip. +# Licensed to the Python Software Foundation under a contributor agreement. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +from __future__ import absolute_import + +import os +import re +import sys + +if sys.version_info[0] < 3: + from StringIO import StringIO + string_types = basestring, + text_type = unicode + from types import FileType as file_type + import __builtin__ as builtins + import ConfigParser as configparser + from ._backport import shutil + from urlparse import urlparse, urlunparse, urljoin, urlsplit, urlunsplit + from urllib import (urlretrieve, quote as _quote, unquote, url2pathname, + pathname2url, ContentTooShortError, splittype) + + def quote(s): + if isinstance(s, unicode): + s = s.encode('utf-8') + return _quote(s) + + import urllib2 + from urllib2 import (Request, urlopen, URLError, HTTPError, + HTTPBasicAuthHandler, HTTPPasswordMgr, + HTTPSHandler, HTTPHandler, HTTPRedirectHandler, + build_opener) + import httplib + import xmlrpclib + import Queue as queue + from HTMLParser import HTMLParser + import htmlentitydefs + raw_input = raw_input + from itertools import ifilter as filter + from itertools import ifilterfalse as filterfalse + + _userprog = None + def splituser(host): + """splituser('user[:passwd]@host[:port]') --> 'user[:passwd]', 'host[:port]'.""" + global _userprog + if _userprog is None: + import re + _userprog = re.compile('^(.*)@(.*)$') + + match = _userprog.match(host) + if match: return match.group(1, 2) + return None, host + +else: + from io import StringIO + string_types = str, + text_type = str + from io import TextIOWrapper as file_type + import builtins + import configparser + import shutil + from urllib.parse import (urlparse, urlunparse, urljoin, splituser, quote, + unquote, urlsplit, urlunsplit, splittype) + from urllib.request import (urlopen, urlretrieve, Request, url2pathname, + pathname2url, + HTTPBasicAuthHandler, HTTPPasswordMgr, + HTTPSHandler, HTTPHandler, HTTPRedirectHandler, + build_opener) + from urllib.error import HTTPError, URLError, ContentTooShortError + import http.client as httplib + import urllib.request as urllib2 + import xmlrpc.client as xmlrpclib + import queue + from html.parser import HTMLParser + import html.entities as htmlentitydefs + raw_input = input + from itertools import filterfalse + filter = filter + +try: + from ssl import match_hostname, CertificateError +except ImportError: + class CertificateError(ValueError): + pass + + + def _dnsname_to_pat(dn): + pats = [] + for frag in dn.split(r'.'): + if frag == '*': + # When '*' is a fragment by itself, it matches a non-empty + # dotless fragment. + pats.append('[^.]+') + else: + # Otherwise, '*' matches any dotless fragment. + frag = re.escape(frag) + pats.append(frag.replace(r'\*', '[^.]*')) + return re.compile(r'\A' + r'\.'.join(pats) + r'\Z', re.IGNORECASE) + + + def match_hostname(cert, hostname): + """Verify that *cert* (in decoded format as returned by + SSLSocket.getpeercert()) matches the *hostname*. RFC 2818 rules + are mostly followed, but IP addresses are not accepted for *hostname*. + + CertificateError is raised on failure. On success, the function + returns nothing. + """ + if not cert: + raise ValueError("empty or no certificate") + dnsnames = [] + san = cert.get('subjectAltName', ()) + for key, value in san: + if key == 'DNS': + if _dnsname_to_pat(value).match(hostname): + return + dnsnames.append(value) + if not dnsnames: + # The subject is only checked when there is no dNSName entry + # in subjectAltName + for sub in cert.get('subject', ()): + for key, value in sub: + # XXX according to RFC 2818, the most specific Common Name + # must be used. + if key == 'commonName': + if _dnsname_to_pat(value).match(hostname): + return + dnsnames.append(value) + if len(dnsnames) > 1: + raise CertificateError("hostname %r " + "doesn't match either of %s" + % (hostname, ', '.join(map(repr, dnsnames)))) + elif len(dnsnames) == 1: + raise CertificateError("hostname %r " + "doesn't match %r" + % (hostname, dnsnames[0])) + else: + raise CertificateError("no appropriate commonName or " + "subjectAltName fields were found") + + +try: + from types import SimpleNamespace as Container +except ImportError: + class Container(object): + """ + A generic container for when multiple values need to be returned + """ + def __init__(self, **kwargs): + self.__dict__.update(kwargs) + + +try: + from shutil import which +except ImportError: + # Implementation from Python 3.3 + def which(cmd, mode=os.F_OK | os.X_OK, path=None): + """Given a command, mode, and a PATH string, return the path which + conforms to the given mode on the PATH, or None if there is no such + file. + + `mode` defaults to os.F_OK | os.X_OK. `path` defaults to the result + of os.environ.get("PATH"), or can be overridden with a custom search + path. + + """ + # Check that a given file can be accessed with the correct mode. + # Additionally check that `file` is not a directory, as on Windows + # directories pass the os.access check. + def _access_check(fn, mode): + return (os.path.exists(fn) and os.access(fn, mode) + and not os.path.isdir(fn)) + + # If we're given a path with a directory part, look it up directly rather + # than referring to PATH directories. This includes checking relative to the + # current directory, e.g. ./script + if os.path.dirname(cmd): + if _access_check(cmd, mode): + return cmd + return None + + if path is None: + path = os.environ.get("PATH", os.defpath) + if not path: + return None + path = path.split(os.pathsep) + + if sys.platform == "win32": + # The current directory takes precedence on Windows. + if not os.curdir in path: + path.insert(0, os.curdir) + + # PATHEXT is necessary to check on Windows. + pathext = os.environ.get("PATHEXT", "").split(os.pathsep) + # See if the given file matches any of the expected path extensions. + # This will allow us to short circuit when given "python.exe". + # If it does match, only test that one, otherwise we have to try + # others. + if any(cmd.lower().endswith(ext.lower()) for ext in pathext): + files = [cmd] + else: + files = [cmd + ext for ext in pathext] + else: + # On other platforms you don't have things like PATHEXT to tell you + # what file suffixes are executable, so just pass on cmd as-is. + files = [cmd] + + seen = set() + for dir in path: + normdir = os.path.normcase(dir) + if not normdir in seen: + seen.add(normdir) + for thefile in files: + name = os.path.join(dir, thefile) + if _access_check(name, mode): + return name + return None + + +# ZipFile is a context manager in 2.7, but not in 2.6 + +from zipfile import ZipFile as BaseZipFile + +if hasattr(BaseZipFile, '__enter__'): + ZipFile = BaseZipFile +else: + from zipfile import ZipExtFile as BaseZipExtFile + + class ZipExtFile(BaseZipExtFile): + def __init__(self, base): + self.__dict__.update(base.__dict__) + + def __enter__(self): + return self + + def __exit__(self, *exc_info): + self.close() + # return None, so if an exception occurred, it will propagate + + class ZipFile(BaseZipFile): + def __enter__(self): + return self + + def __exit__(self, *exc_info): + self.close() + # return None, so if an exception occurred, it will propagate + + def open(self, *args, **kwargs): + base = BaseZipFile.open(self, *args, **kwargs) + return ZipExtFile(base) + +try: + from platform import python_implementation +except ImportError: # pragma: no cover + def python_implementation(): + """Return a string identifying the Python implementation.""" + if 'PyPy' in sys.version: + return 'PyPy' + if os.name == 'java': + return 'Jython' + if sys.version.startswith('IronPython'): + return 'IronPython' + return 'CPython' + +try: + import sysconfig +except ImportError: # pragma: no cover + from ._backport import sysconfig + +try: + callable = callable +except NameError: # pragma: no cover + from collections import Callable + + def callable(obj): + return isinstance(obj, Callable) + + +try: + fsencode = os.fsencode + fsdecode = os.fsdecode +except AttributeError: # pragma: no cover + _fsencoding = sys.getfilesystemencoding() + if _fsencoding == 'mbcs': + _fserrors = 'strict' + else: + _fserrors = 'surrogateescape' + + def fsencode(filename): + if isinstance(filename, bytes): + return filename + elif isinstance(filename, text_type): + return filename.encode(_fsencoding, _fserrors) + else: + raise TypeError("expect bytes or str, not %s" % + type(filename).__name__) + + def fsdecode(filename): + if isinstance(filename, text_type): + return filename + elif isinstance(filename, bytes): + return filename.decode(_fsencoding, _fserrors) + else: + raise TypeError("expect bytes or str, not %s" % + type(filename).__name__) + +try: + from tokenize import detect_encoding +except ImportError: # pragma: no cover + from codecs import BOM_UTF8, lookup + import re + + cookie_re = re.compile("coding[:=]\s*([-\w.]+)") + + def _get_normal_name(orig_enc): + """Imitates get_normal_name in tokenizer.c.""" + # Only care about the first 12 characters. + enc = orig_enc[:12].lower().replace("_", "-") + if enc == "utf-8" or enc.startswith("utf-8-"): + return "utf-8" + if enc in ("latin-1", "iso-8859-1", "iso-latin-1") or \ + enc.startswith(("latin-1-", "iso-8859-1-", "iso-latin-1-")): + return "iso-8859-1" + return orig_enc + + def detect_encoding(readline): + """ + The detect_encoding() function is used to detect the encoding that should + be used to decode a Python source file. It requires one argment, readline, + in the same way as the tokenize() generator. + + It will call readline a maximum of twice, and return the encoding used + (as a string) and a list of any lines (left as bytes) it has read in. + + It detects the encoding from the presence of a utf-8 bom or an encoding + cookie as specified in pep-0263. If both a bom and a cookie are present, + but disagree, a SyntaxError will be raised. If the encoding cookie is an + invalid charset, raise a SyntaxError. Note that if a utf-8 bom is found, + 'utf-8-sig' is returned. + + If no encoding is specified, then the default of 'utf-8' will be returned. + """ + try: + filename = readline.__self__.name + except AttributeError: + filename = None + bom_found = False + encoding = None + default = 'utf-8' + def read_or_stop(): + try: + return readline() + except StopIteration: + return b'' + + def find_cookie(line): + try: + # Decode as UTF-8. Either the line is an encoding declaration, + # in which case it should be pure ASCII, or it must be UTF-8 + # per default encoding. + line_string = line.decode('utf-8') + except UnicodeDecodeError: + msg = "invalid or missing encoding declaration" + if filename is not None: + msg = '{} for {!r}'.format(msg, filename) + raise SyntaxError(msg) + + matches = cookie_re.findall(line_string) + if not matches: + return None + encoding = _get_normal_name(matches[0]) + try: + codec = lookup(encoding) + except LookupError: + # This behaviour mimics the Python interpreter + if filename is None: + msg = "unknown encoding: " + encoding + else: + msg = "unknown encoding for {!r}: {}".format(filename, + encoding) + raise SyntaxError(msg) + + if bom_found: + if codec.name != 'utf-8': + # This behaviour mimics the Python interpreter + if filename is None: + msg = 'encoding problem: utf-8' + else: + msg = 'encoding problem for {!r}: utf-8'.format(filename) + raise SyntaxError(msg) + encoding += '-sig' + return encoding + + first = read_or_stop() + if first.startswith(BOM_UTF8): + bom_found = True + first = first[3:] + default = 'utf-8-sig' + if not first: + return default, [] + + encoding = find_cookie(first) + if encoding: + return encoding, [first] + + second = read_or_stop() + if not second: + return default, [first] + + encoding = find_cookie(second) + if encoding: + return encoding, [first, second] + + return default, [first, second] + +# For converting & <-> & etc. +try: + from html import escape +except ImportError: + from cgi import escape +if sys.version_info[:2] < (3, 4): + unescape = HTMLParser().unescape +else: + from html import unescape + +try: + from collections import ChainMap +except ImportError: # pragma: no cover + from collections import MutableMapping + + try: + from reprlib import recursive_repr as _recursive_repr + except ImportError: + def _recursive_repr(fillvalue='...'): + ''' + Decorator to make a repr function return fillvalue for a recursive + call + ''' + + def decorating_function(user_function): + repr_running = set() + + def wrapper(self): + key = id(self), get_ident() + if key in repr_running: + return fillvalue + repr_running.add(key) + try: + result = user_function(self) + finally: + repr_running.discard(key) + return result + + # Can't use functools.wraps() here because of bootstrap issues + wrapper.__module__ = getattr(user_function, '__module__') + wrapper.__doc__ = getattr(user_function, '__doc__') + wrapper.__name__ = getattr(user_function, '__name__') + wrapper.__annotations__ = getattr(user_function, '__annotations__', {}) + return wrapper + + return decorating_function + + class ChainMap(MutableMapping): + ''' A ChainMap groups multiple dicts (or other mappings) together + to create a single, updateable view. + + The underlying mappings are stored in a list. That list is public and can + accessed or updated using the *maps* attribute. There is no other state. + + Lookups search the underlying mappings successively until a key is found. + In contrast, writes, updates, and deletions only operate on the first + mapping. + + ''' + + def __init__(self, *maps): + '''Initialize a ChainMap by setting *maps* to the given mappings. + If no mappings are provided, a single empty dictionary is used. + + ''' + self.maps = list(maps) or [{}] # always at least one map + + def __missing__(self, key): + raise KeyError(key) + + def __getitem__(self, key): + for mapping in self.maps: + try: + return mapping[key] # can't use 'key in mapping' with defaultdict + except KeyError: + pass + return self.__missing__(key) # support subclasses that define __missing__ + + def get(self, key, default=None): + return self[key] if key in self else default + + def __len__(self): + return len(set().union(*self.maps)) # reuses stored hash values if possible + + def __iter__(self): + return iter(set().union(*self.maps)) + + def __contains__(self, key): + return any(key in m for m in self.maps) + + def __bool__(self): + return any(self.maps) + + @_recursive_repr() + def __repr__(self): + return '{0.__class__.__name__}({1})'.format( + self, ', '.join(map(repr, self.maps))) + + @classmethod + def fromkeys(cls, iterable, *args): + 'Create a ChainMap with a single dict created from the iterable.' + return cls(dict.fromkeys(iterable, *args)) + + def copy(self): + 'New ChainMap or subclass with a new copy of maps[0] and refs to maps[1:]' + return self.__class__(self.maps[0].copy(), *self.maps[1:]) + + __copy__ = copy + + def new_child(self): # like Django's Context.push() + 'New ChainMap with a new dict followed by all previous maps.' + return self.__class__({}, *self.maps) + + @property + def parents(self): # like Django's Context.pop() + 'New ChainMap from maps[1:].' + return self.__class__(*self.maps[1:]) + + def __setitem__(self, key, value): + self.maps[0][key] = value + + def __delitem__(self, key): + try: + del self.maps[0][key] + except KeyError: + raise KeyError('Key not found in the first mapping: {!r}'.format(key)) + + def popitem(self): + 'Remove and return an item pair from maps[0]. Raise KeyError is maps[0] is empty.' + try: + return self.maps[0].popitem() + except KeyError: + raise KeyError('No keys found in the first mapping.') + + def pop(self, key, *args): + 'Remove *key* from maps[0] and return its value. Raise KeyError if *key* not in maps[0].' + try: + return self.maps[0].pop(key, *args) + except KeyError: + raise KeyError('Key not found in the first mapping: {!r}'.format(key)) + + def clear(self): + 'Clear maps[0], leaving maps[1:] intact.' + self.maps[0].clear() + +try: + from imp import cache_from_source +except ImportError: # pragma: no cover + def cache_from_source(path, debug_override=None): + assert path.endswith('.py') + if debug_override is None: + debug_override = __debug__ + if debug_override: + suffix = 'c' + else: + suffix = 'o' + return path + suffix + +try: + from collections import OrderedDict +except ImportError: # pragma: no cover +## {{{ http://code.activestate.com/recipes/576693/ (r9) +# Backport of OrderedDict() class that runs on Python 2.4, 2.5, 2.6, 2.7 and pypy. +# Passes Python2.7's test suite and incorporates all the latest updates. + try: + from thread import get_ident as _get_ident + except ImportError: + from dummy_thread import get_ident as _get_ident + + try: + from _abcoll import KeysView, ValuesView, ItemsView + except ImportError: + pass + + + class OrderedDict(dict): + 'Dictionary that remembers insertion order' + # An inherited dict maps keys to values. + # The inherited dict provides __getitem__, __len__, __contains__, and get. + # The remaining methods are order-aware. + # Big-O running times for all methods are the same as for regular dictionaries. + + # The internal self.__map dictionary maps keys to links in a doubly linked list. + # The circular doubly linked list starts and ends with a sentinel element. + # The sentinel element never gets deleted (this simplifies the algorithm). + # Each link is stored as a list of length three: [PREV, NEXT, KEY]. + + def __init__(self, *args, **kwds): + '''Initialize an ordered dictionary. Signature is the same as for + regular dictionaries, but keyword arguments are not recommended + because their insertion order is arbitrary. + + ''' + if len(args) > 1: + raise TypeError('expected at most 1 arguments, got %d' % len(args)) + try: + self.__root + except AttributeError: + self.__root = root = [] # sentinel node + root[:] = [root, root, None] + self.__map = {} + self.__update(*args, **kwds) + + def __setitem__(self, key, value, dict_setitem=dict.__setitem__): + 'od.__setitem__(i, y) <==> od[i]=y' + # Setting a new item creates a new link which goes at the end of the linked + # list, and the inherited dictionary is updated with the new key/value pair. + if key not in self: + root = self.__root + last = root[0] + last[1] = root[0] = self.__map[key] = [last, root, key] + dict_setitem(self, key, value) + + def __delitem__(self, key, dict_delitem=dict.__delitem__): + 'od.__delitem__(y) <==> del od[y]' + # Deleting an existing item uses self.__map to find the link which is + # then removed by updating the links in the predecessor and successor nodes. + dict_delitem(self, key) + link_prev, link_next, key = self.__map.pop(key) + link_prev[1] = link_next + link_next[0] = link_prev + + def __iter__(self): + 'od.__iter__() <==> iter(od)' + root = self.__root + curr = root[1] + while curr is not root: + yield curr[2] + curr = curr[1] + + def __reversed__(self): + 'od.__reversed__() <==> reversed(od)' + root = self.__root + curr = root[0] + while curr is not root: + yield curr[2] + curr = curr[0] + + def clear(self): + 'od.clear() -> None. Remove all items from od.' + try: + for node in self.__map.itervalues(): + del node[:] + root = self.__root + root[:] = [root, root, None] + self.__map.clear() + except AttributeError: + pass + dict.clear(self) + + def popitem(self, last=True): + '''od.popitem() -> (k, v), return and remove a (key, value) pair. + Pairs are returned in LIFO order if last is true or FIFO order if false. + + ''' + if not self: + raise KeyError('dictionary is empty') + root = self.__root + if last: + link = root[0] + link_prev = link[0] + link_prev[1] = root + root[0] = link_prev + else: + link = root[1] + link_next = link[1] + root[1] = link_next + link_next[0] = root + key = link[2] + del self.__map[key] + value = dict.pop(self, key) + return key, value + + # -- the following methods do not depend on the internal structure -- + + def keys(self): + 'od.keys() -> list of keys in od' + return list(self) + + def values(self): + 'od.values() -> list of values in od' + return [self[key] for key in self] + + def items(self): + 'od.items() -> list of (key, value) pairs in od' + return [(key, self[key]) for key in self] + + def iterkeys(self): + 'od.iterkeys() -> an iterator over the keys in od' + return iter(self) + + def itervalues(self): + 'od.itervalues -> an iterator over the values in od' + for k in self: + yield self[k] + + def iteritems(self): + 'od.iteritems -> an iterator over the (key, value) items in od' + for k in self: + yield (k, self[k]) + + def update(*args, **kwds): + '''od.update(E, **F) -> None. Update od from dict/iterable E and F. + + If E is a dict instance, does: for k in E: od[k] = E[k] + If E has a .keys() method, does: for k in E.keys(): od[k] = E[k] + Or if E is an iterable of items, does: for k, v in E: od[k] = v + In either case, this is followed by: for k, v in F.items(): od[k] = v + + ''' + if len(args) > 2: + raise TypeError('update() takes at most 2 positional ' + 'arguments (%d given)' % (len(args),)) + elif not args: + raise TypeError('update() takes at least 1 argument (0 given)') + self = args[0] + # Make progressively weaker assumptions about "other" + other = () + if len(args) == 2: + other = args[1] + if isinstance(other, dict): + for key in other: + self[key] = other[key] + elif hasattr(other, 'keys'): + for key in other.keys(): + self[key] = other[key] + else: + for key, value in other: + self[key] = value + for key, value in kwds.items(): + self[key] = value + + __update = update # let subclasses override update without breaking __init__ + + __marker = object() + + def pop(self, key, default=__marker): + '''od.pop(k[,d]) -> v, remove specified key and return the corresponding value. + If key is not found, d is returned if given, otherwise KeyError is raised. + + ''' + if key in self: + result = self[key] + del self[key] + return result + if default is self.__marker: + raise KeyError(key) + return default + + def setdefault(self, key, default=None): + 'od.setdefault(k[,d]) -> od.get(k,d), also set od[k]=d if k not in od' + if key in self: + return self[key] + self[key] = default + return default + + def __repr__(self, _repr_running=None): + 'od.__repr__() <==> repr(od)' + if not _repr_running: _repr_running = {} + call_key = id(self), _get_ident() + if call_key in _repr_running: + return '...' + _repr_running[call_key] = 1 + try: + if not self: + return '%s()' % (self.__class__.__name__,) + return '%s(%r)' % (self.__class__.__name__, self.items()) + finally: + del _repr_running[call_key] + + def __reduce__(self): + 'Return state information for pickling' + items = [[k, self[k]] for k in self] + inst_dict = vars(self).copy() + for k in vars(OrderedDict()): + inst_dict.pop(k, None) + if inst_dict: + return (self.__class__, (items,), inst_dict) + return self.__class__, (items,) + + def copy(self): + 'od.copy() -> a shallow copy of od' + return self.__class__(self) + + @classmethod + def fromkeys(cls, iterable, value=None): + '''OD.fromkeys(S[, v]) -> New ordered dictionary with keys from S + and values equal to v (which defaults to None). + + ''' + d = cls() + for key in iterable: + d[key] = value + return d + + def __eq__(self, other): + '''od.__eq__(y) <==> od==y. Comparison to another OD is order-sensitive + while comparison to a regular mapping is order-insensitive. + + ''' + if isinstance(other, OrderedDict): + return len(self)==len(other) and self.items() == other.items() + return dict.__eq__(self, other) + + def __ne__(self, other): + return not self == other + + # -- the following methods are only used in Python 2.7 -- + + def viewkeys(self): + "od.viewkeys() -> a set-like object providing a view on od's keys" + return KeysView(self) + + def viewvalues(self): + "od.viewvalues() -> an object providing a view on od's values" + return ValuesView(self) + + def viewitems(self): + "od.viewitems() -> a set-like object providing a view on od's items" + return ItemsView(self) + +try: + from logging.config import BaseConfigurator, valid_ident +except ImportError: # pragma: no cover + IDENTIFIER = re.compile('^[a-z_][a-z0-9_]*$', re.I) + + + def valid_ident(s): + m = IDENTIFIER.match(s) + if not m: + raise ValueError('Not a valid Python identifier: %r' % s) + return True + + + # The ConvertingXXX classes are wrappers around standard Python containers, + # and they serve to convert any suitable values in the container. The + # conversion converts base dicts, lists and tuples to their wrapped + # equivalents, whereas strings which match a conversion format are converted + # appropriately. + # + # Each wrapper should have a configurator attribute holding the actual + # configurator to use for conversion. + + class ConvertingDict(dict): + """A converting dictionary wrapper.""" + + def __getitem__(self, key): + value = dict.__getitem__(self, key) + result = self.configurator.convert(value) + #If the converted value is different, save for next time + if value is not result: + self[key] = result + if type(result) in (ConvertingDict, ConvertingList, + ConvertingTuple): + result.parent = self + result.key = key + return result + + def get(self, key, default=None): + value = dict.get(self, key, default) + result = self.configurator.convert(value) + #If the converted value is different, save for next time + if value is not result: + self[key] = result + if type(result) in (ConvertingDict, ConvertingList, + ConvertingTuple): + result.parent = self + result.key = key + return result + + def pop(self, key, default=None): + value = dict.pop(self, key, default) + result = self.configurator.convert(value) + if value is not result: + if type(result) in (ConvertingDict, ConvertingList, + ConvertingTuple): + result.parent = self + result.key = key + return result + + class ConvertingList(list): + """A converting list wrapper.""" + def __getitem__(self, key): + value = list.__getitem__(self, key) + result = self.configurator.convert(value) + #If the converted value is different, save for next time + if value is not result: + self[key] = result + if type(result) in (ConvertingDict, ConvertingList, + ConvertingTuple): + result.parent = self + result.key = key + return result + + def pop(self, idx=-1): + value = list.pop(self, idx) + result = self.configurator.convert(value) + if value is not result: + if type(result) in (ConvertingDict, ConvertingList, + ConvertingTuple): + result.parent = self + return result + + class ConvertingTuple(tuple): + """A converting tuple wrapper.""" + def __getitem__(self, key): + value = tuple.__getitem__(self, key) + result = self.configurator.convert(value) + if value is not result: + if type(result) in (ConvertingDict, ConvertingList, + ConvertingTuple): + result.parent = self + result.key = key + return result + + class BaseConfigurator(object): + """ + The configurator base class which defines some useful defaults. + """ + + CONVERT_PATTERN = re.compile(r'^(?P<prefix>[a-z]+)://(?P<suffix>.*)$') + + WORD_PATTERN = re.compile(r'^\s*(\w+)\s*') + DOT_PATTERN = re.compile(r'^\.\s*(\w+)\s*') + INDEX_PATTERN = re.compile(r'^\[\s*(\w+)\s*\]\s*') + DIGIT_PATTERN = re.compile(r'^\d+$') + + value_converters = { + 'ext' : 'ext_convert', + 'cfg' : 'cfg_convert', + } + + # We might want to use a different one, e.g. importlib + importer = staticmethod(__import__) + + def __init__(self, config): + self.config = ConvertingDict(config) + self.config.configurator = self + + def resolve(self, s): + """ + Resolve strings to objects using standard import and attribute + syntax. + """ + name = s.split('.') + used = name.pop(0) + try: + found = self.importer(used) + for frag in name: + used += '.' + frag + try: + found = getattr(found, frag) + except AttributeError: + self.importer(used) + found = getattr(found, frag) + return found + except ImportError: + e, tb = sys.exc_info()[1:] + v = ValueError('Cannot resolve %r: %s' % (s, e)) + v.__cause__, v.__traceback__ = e, tb + raise v + + def ext_convert(self, value): + """Default converter for the ext:// protocol.""" + return self.resolve(value) + + def cfg_convert(self, value): + """Default converter for the cfg:// protocol.""" + rest = value + m = self.WORD_PATTERN.match(rest) + if m is None: + raise ValueError("Unable to convert %r" % value) + else: + rest = rest[m.end():] + d = self.config[m.groups()[0]] + #print d, rest + while rest: + m = self.DOT_PATTERN.match(rest) + if m: + d = d[m.groups()[0]] + else: + m = self.INDEX_PATTERN.match(rest) + if m: + idx = m.groups()[0] + if not self.DIGIT_PATTERN.match(idx): + d = d[idx] + else: + try: + n = int(idx) # try as number first (most likely) + d = d[n] + except TypeError: + d = d[idx] + if m: + rest = rest[m.end():] + else: + raise ValueError('Unable to convert ' + '%r at %r' % (value, rest)) + #rest should be empty + return d + + def convert(self, value): + """ + Convert values to an appropriate type. dicts, lists and tuples are + replaced by their converting alternatives. Strings are checked to + see if they have a conversion format and are converted if they do. + """ + if not isinstance(value, ConvertingDict) and isinstance(value, dict): + value = ConvertingDict(value) + value.configurator = self + elif not isinstance(value, ConvertingList) and isinstance(value, list): + value = ConvertingList(value) + value.configurator = self + elif not isinstance(value, ConvertingTuple) and\ + isinstance(value, tuple): + value = ConvertingTuple(value) + value.configurator = self + elif isinstance(value, string_types): + m = self.CONVERT_PATTERN.match(value) + if m: + d = m.groupdict() + prefix = d['prefix'] + converter = self.value_converters.get(prefix, None) + if converter: + suffix = d['suffix'] + converter = getattr(self, converter) + value = converter(suffix) + return value + + def configure_custom(self, config): + """Configure an object with a user-supplied factory.""" + c = config.pop('()') + if not callable(c): + c = self.resolve(c) + props = config.pop('.', None) + # Check for valid identifiers + kwargs = dict([(k, config[k]) for k in config if valid_ident(k)]) + result = c(**kwargs) + if props: + for name, value in props.items(): + setattr(result, name, value) + return result + + def as_tuple(self, value): + """Utility function which converts lists to tuples.""" + if isinstance(value, list): + value = tuple(value) + return value diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/database.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/database.py new file mode 100644 index 0000000..0f013ec --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/database.py @@ -0,0 +1,1301 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2012-2013 The Python Software Foundation. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +"""PEP 376 implementation.""" + +from __future__ import unicode_literals + +import base64 +import codecs +import contextlib +import hashlib +import logging +import os +import posixpath +import sys +import zipimport + +from . import DistlibException, resources +from .compat import StringIO +from .version import get_scheme, UnsupportedVersionError +from .metadata import Metadata, METADATA_FILENAME +from .util import (parse_requirement, cached_property, parse_name_and_version, + read_exports, write_exports, CSVReader, CSVWriter) + + +__all__ = ['Distribution', 'BaseInstalledDistribution', + 'InstalledDistribution', 'EggInfoDistribution', + 'DistributionPath'] + + +logger = logging.getLogger(__name__) + +EXPORTS_FILENAME = 'pydist-exports.json' +COMMANDS_FILENAME = 'pydist-commands.json' + +DIST_FILES = ('INSTALLER', METADATA_FILENAME, 'RECORD', 'REQUESTED', + 'RESOURCES', EXPORTS_FILENAME, 'SHARED') + +DISTINFO_EXT = '.dist-info' + + +class _Cache(object): + """ + A simple cache mapping names and .dist-info paths to distributions + """ + def __init__(self): + """ + Initialise an instance. There is normally one for each DistributionPath. + """ + self.name = {} + self.path = {} + self.generated = False + + def clear(self): + """ + Clear the cache, setting it to its initial state. + """ + self.name.clear() + self.path.clear() + self.generated = False + + def add(self, dist): + """ + Add a distribution to the cache. + :param dist: The distribution to add. + """ + if dist.path not in self.path: + self.path[dist.path] = dist + self.name.setdefault(dist.key, []).append(dist) + + +class DistributionPath(object): + """ + Represents a set of distributions installed on a path (typically sys.path). + """ + def __init__(self, path=None, include_egg=False): + """ + Create an instance from a path, optionally including legacy (distutils/ + setuptools/distribute) distributions. + :param path: The path to use, as a list of directories. If not specified, + sys.path is used. + :param include_egg: If True, this instance will look for and return legacy + distributions as well as those based on PEP 376. + """ + if path is None: + path = sys.path + self.path = path + self._include_dist = True + self._include_egg = include_egg + + self._cache = _Cache() + self._cache_egg = _Cache() + self._cache_enabled = True + self._scheme = get_scheme('default') + + def _get_cache_enabled(self): + return self._cache_enabled + + def _set_cache_enabled(self, value): + self._cache_enabled = value + + cache_enabled = property(_get_cache_enabled, _set_cache_enabled) + + def clear_cache(self): + """ + Clears the internal cache. + """ + self._cache.clear() + self._cache_egg.clear() + + + def _yield_distributions(self): + """ + Yield .dist-info and/or .egg(-info) distributions. + """ + # We need to check if we've seen some resources already, because on + # some Linux systems (e.g. some Debian/Ubuntu variants) there are + # symlinks which alias other files in the environment. + seen = set() + for path in self.path: + finder = resources.finder_for_path(path) + if finder is None: + continue + r = finder.find('') + if not r or not r.is_container: + continue + rset = sorted(r.resources) + for entry in rset: + r = finder.find(entry) + if not r or r.path in seen: + continue + if self._include_dist and entry.endswith(DISTINFO_EXT): + metadata_path = posixpath.join(entry, METADATA_FILENAME) + pydist = finder.find(metadata_path) + if not pydist: + continue + + metadata = Metadata(fileobj=pydist.as_stream(), + scheme='legacy') + logger.debug('Found %s', r.path) + seen.add(r.path) + yield new_dist_class(r.path, metadata=metadata, + env=self) + elif self._include_egg and entry.endswith(('.egg-info', + '.egg')): + logger.debug('Found %s', r.path) + seen.add(r.path) + yield old_dist_class(r.path, self) + + def _generate_cache(self): + """ + Scan the path for distributions and populate the cache with + those that are found. + """ + gen_dist = not self._cache.generated + gen_egg = self._include_egg and not self._cache_egg.generated + if gen_dist or gen_egg: + for dist in self._yield_distributions(): + if isinstance(dist, InstalledDistribution): + self._cache.add(dist) + else: + self._cache_egg.add(dist) + + if gen_dist: + self._cache.generated = True + if gen_egg: + self._cache_egg.generated = True + + @classmethod + def distinfo_dirname(cls, name, version): + """ + The *name* and *version* parameters are converted into their + filename-escaped form, i.e. any ``'-'`` characters are replaced + with ``'_'`` other than the one in ``'dist-info'`` and the one + separating the name from the version number. + + :parameter name: is converted to a standard distribution name by replacing + any runs of non- alphanumeric characters with a single + ``'-'``. + :type name: string + :parameter version: is converted to a standard version string. Spaces + become dots, and all other non-alphanumeric characters + (except dots) become dashes, with runs of multiple + dashes condensed to a single dash. + :type version: string + :returns: directory name + :rtype: string""" + name = name.replace('-', '_') + return '-'.join([name, version]) + DISTINFO_EXT + + def get_distributions(self): + """ + Provides an iterator that looks for distributions and returns + :class:`InstalledDistribution` or + :class:`EggInfoDistribution` instances for each one of them. + + :rtype: iterator of :class:`InstalledDistribution` and + :class:`EggInfoDistribution` instances + """ + if not self._cache_enabled: + for dist in self._yield_distributions(): + yield dist + else: + self._generate_cache() + + for dist in self._cache.path.values(): + yield dist + + if self._include_egg: + for dist in self._cache_egg.path.values(): + yield dist + + def get_distribution(self, name): + """ + Looks for a named distribution on the path. + + This function only returns the first result found, as no more than one + value is expected. If nothing is found, ``None`` is returned. + + :rtype: :class:`InstalledDistribution`, :class:`EggInfoDistribution` + or ``None`` + """ + result = None + name = name.lower() + if not self._cache_enabled: + for dist in self._yield_distributions(): + if dist.key == name: + result = dist + break + else: + self._generate_cache() + + if name in self._cache.name: + result = self._cache.name[name][0] + elif self._include_egg and name in self._cache_egg.name: + result = self._cache_egg.name[name][0] + return result + + def provides_distribution(self, name, version=None): + """ + Iterates over all distributions to find which distributions provide *name*. + If a *version* is provided, it will be used to filter the results. + + This function only returns the first result found, since no more than + one values are expected. If the directory is not found, returns ``None``. + + :parameter version: a version specifier that indicates the version + required, conforming to the format in ``PEP-345`` + + :type name: string + :type version: string + """ + matcher = None + if not version is None: + try: + matcher = self._scheme.matcher('%s (%s)' % (name, version)) + except ValueError: + raise DistlibException('invalid name or version: %r, %r' % + (name, version)) + + for dist in self.get_distributions(): + provided = dist.provides + + for p in provided: + p_name, p_ver = parse_name_and_version(p) + if matcher is None: + if p_name == name: + yield dist + break + else: + if p_name == name and matcher.match(p_ver): + yield dist + break + + def get_file_path(self, name, relative_path): + """ + Return the path to a resource file. + """ + dist = self.get_distribution(name) + if dist is None: + raise LookupError('no distribution named %r found' % name) + return dist.get_resource_path(relative_path) + + def get_exported_entries(self, category, name=None): + """ + Return all of the exported entries in a particular category. + + :param category: The category to search for entries. + :param name: If specified, only entries with that name are returned. + """ + for dist in self.get_distributions(): + r = dist.exports + if category in r: + d = r[category] + if name is not None: + if name in d: + yield d[name] + else: + for v in d.values(): + yield v + + +class Distribution(object): + """ + A base class for distributions, whether installed or from indexes. + Either way, it must have some metadata, so that's all that's needed + for construction. + """ + + build_time_dependency = False + """ + Set to True if it's known to be only a build-time dependency (i.e. + not needed after installation). + """ + + requested = False + """A boolean that indicates whether the ``REQUESTED`` metadata file is + present (in other words, whether the package was installed by user + request or it was installed as a dependency).""" + + def __init__(self, metadata): + """ + Initialise an instance. + :param metadata: The instance of :class:`Metadata` describing this + distribution. + """ + self.metadata = metadata + self.name = metadata.name + self.key = self.name.lower() # for case-insensitive comparisons + self.version = metadata.version + self.locator = None + self.digest = None + self.extras = None # additional features requested + self.context = None # environment marker overrides + + @property + def source_url(self): + """ + The source archive download URL for this distribution. + """ + return self.metadata.source_url + + download_url = source_url # Backward compatibility + + @property + def name_and_version(self): + """ + A utility property which displays the name and version in parentheses. + """ + return '%s (%s)' % (self.name, self.version) + + @property + def provides(self): + """ + A set of distribution names and versions provided by this distribution. + :return: A set of "name (version)" strings. + """ + plist = self.metadata.provides + s = '%s (%s)' % (self.name, self.version) + if s not in plist: + plist.append(s) + return plist + + def _get_requirements(self, req_attr): + reqts = getattr(self.metadata, req_attr) + return set(self.metadata.get_requirements(reqts, extras=self.extras, + env=self.context)) + + @property + def run_requires(self): + return self._get_requirements('run_requires') + + @property + def meta_requires(self): + return self._get_requirements('meta_requires') + + @property + def build_requires(self): + return self._get_requirements('build_requires') + + @property + def test_requires(self): + return self._get_requirements('test_requires') + + @property + def dev_requires(self): + return self._get_requirements('dev_requires') + + def matches_requirement(self, req): + """ + Say if this instance matches (fulfills) a requirement. + :param req: The requirement to match. + :rtype req: str + :return: True if it matches, else False. + """ + # Requirement may contain extras - parse to lose those + # from what's passed to the matcher + r = parse_requirement(req) + scheme = get_scheme(self.metadata.scheme) + try: + matcher = scheme.matcher(r.requirement) + except UnsupportedVersionError: + # XXX compat-mode if cannot read the version + logger.warning('could not read version %r - using name only', + req) + name = req.split()[0] + matcher = scheme.matcher(name) + + name = matcher.key # case-insensitive + + result = False + for p in self.provides: + p_name, p_ver = parse_name_and_version(p) + if p_name != name: + continue + try: + result = matcher.match(p_ver) + break + except UnsupportedVersionError: + pass + return result + + def __repr__(self): + """ + Return a textual representation of this instance, + """ + if self.source_url: + suffix = ' [%s]' % self.source_url + else: + suffix = '' + return '<Distribution %s (%s)%s>' % (self.name, self.version, suffix) + + def __eq__(self, other): + """ + See if this distribution is the same as another. + :param other: The distribution to compare with. To be equal to one + another. distributions must have the same type, name, + version and source_url. + :return: True if it is the same, else False. + """ + if type(other) is not type(self): + result = False + else: + result = (self.name == other.name and + self.version == other.version and + self.source_url == other.source_url) + return result + + def __hash__(self): + """ + Compute hash in a way which matches the equality test. + """ + return hash(self.name) + hash(self.version) + hash(self.source_url) + + +class BaseInstalledDistribution(Distribution): + """ + This is the base class for installed distributions (whether PEP 376 or + legacy). + """ + + hasher = None + + def __init__(self, metadata, path, env=None): + """ + Initialise an instance. + :param metadata: An instance of :class:`Metadata` which describes the + distribution. This will normally have been initialised + from a metadata file in the ``path``. + :param path: The path of the ``.dist-info`` or ``.egg-info`` + directory for the distribution. + :param env: This is normally the :class:`DistributionPath` + instance where this distribution was found. + """ + super(BaseInstalledDistribution, self).__init__(metadata) + self.path = path + self.dist_path = env + + def get_hash(self, data, hasher=None): + """ + Get the hash of some data, using a particular hash algorithm, if + specified. + + :param data: The data to be hashed. + :type data: bytes + :param hasher: The name of a hash implementation, supported by hashlib, + or ``None``. Examples of valid values are ``'sha1'``, + ``'sha224'``, ``'sha384'``, '``sha256'``, ``'md5'`` and + ``'sha512'``. If no hasher is specified, the ``hasher`` + attribute of the :class:`InstalledDistribution` instance + is used. If the hasher is determined to be ``None``, MD5 + is used as the hashing algorithm. + :returns: The hash of the data. If a hasher was explicitly specified, + the returned hash will be prefixed with the specified hasher + followed by '='. + :rtype: str + """ + if hasher is None: + hasher = self.hasher + if hasher is None: + hasher = hashlib.md5 + prefix = '' + else: + hasher = getattr(hashlib, hasher) + prefix = '%s=' % self.hasher + digest = hasher(data).digest() + digest = base64.urlsafe_b64encode(digest).rstrip(b'=').decode('ascii') + return '%s%s' % (prefix, digest) + + +class InstalledDistribution(BaseInstalledDistribution): + """ + Created with the *path* of the ``.dist-info`` directory provided to the + constructor. It reads the metadata contained in ``pydist.json`` when it is + instantiated., or uses a passed in Metadata instance (useful for when + dry-run mode is being used). + """ + + hasher = 'sha256' + + def __init__(self, path, metadata=None, env=None): + self.finder = finder = resources.finder_for_path(path) + if finder is None: + import pdb; pdb.set_trace () + if env and env._cache_enabled and path in env._cache.path: + metadata = env._cache.path[path].metadata + elif metadata is None: + r = finder.find(METADATA_FILENAME) + # Temporary - for legacy support + if r is None: + r = finder.find('METADATA') + if r is None: + raise ValueError('no %s found in %s' % (METADATA_FILENAME, + path)) + with contextlib.closing(r.as_stream()) as stream: + metadata = Metadata(fileobj=stream, scheme='legacy') + + super(InstalledDistribution, self).__init__(metadata, path, env) + + if env and env._cache_enabled: + env._cache.add(self) + + try: + r = finder.find('REQUESTED') + except AttributeError: + import pdb; pdb.set_trace () + self.requested = r is not None + + def __repr__(self): + return '<InstalledDistribution %r %s at %r>' % ( + self.name, self.version, self.path) + + def __str__(self): + return "%s %s" % (self.name, self.version) + + def _get_records(self): + """ + Get the list of installed files for the distribution + :return: A list of tuples of path, hash and size. Note that hash and + size might be ``None`` for some entries. The path is exactly + as stored in the file (which is as in PEP 376). + """ + results = [] + r = self.get_distinfo_resource('RECORD') + with contextlib.closing(r.as_stream()) as stream: + with CSVReader(stream=stream) as record_reader: + # Base location is parent dir of .dist-info dir + #base_location = os.path.dirname(self.path) + #base_location = os.path.abspath(base_location) + for row in record_reader: + missing = [None for i in range(len(row), 3)] + path, checksum, size = row + missing + #if not os.path.isabs(path): + # path = path.replace('/', os.sep) + # path = os.path.join(base_location, path) + results.append((path, checksum, size)) + return results + + @cached_property + def exports(self): + """ + Return the information exported by this distribution. + :return: A dictionary of exports, mapping an export category to a dict + of :class:`ExportEntry` instances describing the individual + export entries, and keyed by name. + """ + result = {} + r = self.get_distinfo_resource(EXPORTS_FILENAME) + if r: + result = self.read_exports() + return result + + def read_exports(self): + """ + Read exports data from a file in .ini format. + + :return: A dictionary of exports, mapping an export category to a list + of :class:`ExportEntry` instances describing the individual + export entries. + """ + result = {} + r = self.get_distinfo_resource(EXPORTS_FILENAME) + if r: + with contextlib.closing(r.as_stream()) as stream: + result = read_exports(stream) + return result + + def write_exports(self, exports): + """ + Write a dictionary of exports to a file in .ini format. + :param exports: A dictionary of exports, mapping an export category to + a list of :class:`ExportEntry` instances describing the + individual export entries. + """ + rf = self.get_distinfo_file(EXPORTS_FILENAME) + with open(rf, 'w') as f: + write_exports(exports, f) + + def get_resource_path(self, relative_path): + """ + NOTE: This API may change in the future. + + Return the absolute path to a resource file with the given relative + path. + + :param relative_path: The path, relative to .dist-info, of the resource + of interest. + :return: The absolute path where the resource is to be found. + """ + r = self.get_distinfo_resource('RESOURCES') + with contextlib.closing(r.as_stream()) as stream: + with CSVReader(stream=stream) as resources_reader: + for relative, destination in resources_reader: + if relative == relative_path: + return destination + raise KeyError('no resource file with relative path %r ' + 'is installed' % relative_path) + + def list_installed_files(self): + """ + Iterates over the ``RECORD`` entries and returns a tuple + ``(path, hash, size)`` for each line. + + :returns: iterator of (path, hash, size) + """ + for result in self._get_records(): + yield result + + def write_installed_files(self, paths, prefix, dry_run=False): + """ + Writes the ``RECORD`` file, using the ``paths`` iterable passed in. Any + existing ``RECORD`` file is silently overwritten. + + prefix is used to determine when to write absolute paths. + """ + prefix = os.path.join(prefix, '') + base = os.path.dirname(self.path) + base_under_prefix = base.startswith(prefix) + base = os.path.join(base, '') + record_path = self.get_distinfo_file('RECORD') + logger.info('creating %s', record_path) + if dry_run: + return None + with CSVWriter(record_path) as writer: + for path in paths: + if os.path.isdir(path) or path.endswith(('.pyc', '.pyo')): + # do not put size and hash, as in PEP-376 + hash_value = size = '' + else: + size = '%d' % os.path.getsize(path) + with open(path, 'rb') as fp: + hash_value = self.get_hash(fp.read()) + if path.startswith(base) or (base_under_prefix and + path.startswith(prefix)): + path = os.path.relpath(path, base) + writer.writerow((path, hash_value, size)) + + # add the RECORD file itself + if record_path.startswith(base): + record_path = os.path.relpath(record_path, base) + writer.writerow((record_path, '', '')) + return record_path + + def check_installed_files(self): + """ + Checks that the hashes and sizes of the files in ``RECORD`` are + matched by the files themselves. Returns a (possibly empty) list of + mismatches. Each entry in the mismatch list will be a tuple consisting + of the path, 'exists', 'size' or 'hash' according to what didn't match + (existence is checked first, then size, then hash), the expected + value and the actual value. + """ + mismatches = [] + base = os.path.dirname(self.path) + record_path = self.get_distinfo_file('RECORD') + for path, hash_value, size in self.list_installed_files(): + if not os.path.isabs(path): + path = os.path.join(base, path) + if path == record_path: + continue + if not os.path.exists(path): + mismatches.append((path, 'exists', True, False)) + elif os.path.isfile(path): + actual_size = str(os.path.getsize(path)) + if size and actual_size != size: + mismatches.append((path, 'size', size, actual_size)) + elif hash_value: + if '=' in hash_value: + hasher = hash_value.split('=', 1)[0] + else: + hasher = None + + with open(path, 'rb') as f: + actual_hash = self.get_hash(f.read(), hasher) + if actual_hash != hash_value: + mismatches.append((path, 'hash', hash_value, actual_hash)) + return mismatches + + @cached_property + def shared_locations(self): + """ + A dictionary of shared locations whose keys are in the set 'prefix', + 'purelib', 'platlib', 'scripts', 'headers', 'data' and 'namespace'. + The corresponding value is the absolute path of that category for + this distribution, and takes into account any paths selected by the + user at installation time (e.g. via command-line arguments). In the + case of the 'namespace' key, this would be a list of absolute paths + for the roots of namespace packages in this distribution. + + The first time this property is accessed, the relevant information is + read from the SHARED file in the .dist-info directory. + """ + result = {} + shared_path = os.path.join(self.path, 'SHARED') + if os.path.isfile(shared_path): + with codecs.open(shared_path, 'r', encoding='utf-8') as f: + lines = f.read().splitlines() + for line in lines: + key, value = line.split('=', 1) + if key == 'namespace': + result.setdefault(key, []).append(value) + else: + result[key] = value + return result + + def write_shared_locations(self, paths, dry_run=False): + """ + Write shared location information to the SHARED file in .dist-info. + :param paths: A dictionary as described in the documentation for + :meth:`shared_locations`. + :param dry_run: If True, the action is logged but no file is actually + written. + :return: The path of the file written to. + """ + shared_path = os.path.join(self.path, 'SHARED') + logger.info('creating %s', shared_path) + if dry_run: + return None + lines = [] + for key in ('prefix', 'lib', 'headers', 'scripts', 'data'): + path = paths[key] + if os.path.isdir(paths[key]): + lines.append('%s=%s' % (key, path)) + for ns in paths.get('namespace', ()): + lines.append('namespace=%s' % ns) + + with codecs.open(shared_path, 'w', encoding='utf-8') as f: + f.write('\n'.join(lines)) + return shared_path + + def get_distinfo_resource(self, path): + if path not in DIST_FILES: + raise DistlibException('invalid path for a dist-info file: ' + '%r at %r' % (path, self.path)) + finder = resources.finder_for_path(self.path) + if finder is None: + raise DistlibException('Unable to get a finder for %s' % self.path) + return finder.find(path) + + def get_distinfo_file(self, path): + """ + Returns a path located under the ``.dist-info`` directory. Returns a + string representing the path. + + :parameter path: a ``'/'``-separated path relative to the + ``.dist-info`` directory or an absolute path; + If *path* is an absolute path and doesn't start + with the ``.dist-info`` directory path, + a :class:`DistlibException` is raised + :type path: str + :rtype: str + """ + # Check if it is an absolute path # XXX use relpath, add tests + if path.find(os.sep) >= 0: + # it's an absolute path? + distinfo_dirname, path = path.split(os.sep)[-2:] + if distinfo_dirname != self.path.split(os.sep)[-1]: + raise DistlibException( + 'dist-info file %r does not belong to the %r %s ' + 'distribution' % (path, self.name, self.version)) + + # The file must be relative + if path not in DIST_FILES: + raise DistlibException('invalid path for a dist-info file: ' + '%r at %r' % (path, self.path)) + + return os.path.join(self.path, path) + + def list_distinfo_files(self): + """ + Iterates over the ``RECORD`` entries and returns paths for each line if + the path is pointing to a file located in the ``.dist-info`` directory + or one of its subdirectories. + + :returns: iterator of paths + """ + base = os.path.dirname(self.path) + for path, checksum, size in self._get_records(): + # XXX add separator or use real relpath algo + if not os.path.isabs(path): + path = os.path.join(base, path) + if path.startswith(self.path): + yield path + + def __eq__(self, other): + return (isinstance(other, InstalledDistribution) and + self.path == other.path) + + # See http://docs.python.org/reference/datamodel#object.__hash__ + __hash__ = object.__hash__ + + +class EggInfoDistribution(BaseInstalledDistribution): + """Created with the *path* of the ``.egg-info`` directory or file provided + to the constructor. It reads the metadata contained in the file itself, or + if the given path happens to be a directory, the metadata is read from the + file ``PKG-INFO`` under that directory.""" + + requested = True # as we have no way of knowing, assume it was + shared_locations = {} + + def __init__(self, path, env=None): + def set_name_and_version(s, n, v): + s.name = n + s.key = n.lower() # for case-insensitive comparisons + s.version = v + + self.path = path + self.dist_path = env + if env and env._cache_enabled and path in env._cache_egg.path: + metadata = env._cache_egg.path[path].metadata + set_name_and_version(self, metadata.name, metadata.version) + else: + metadata = self._get_metadata(path) + + # Need to be set before caching + set_name_and_version(self, metadata.name, metadata.version) + + if env and env._cache_enabled: + env._cache_egg.add(self) + super(EggInfoDistribution, self).__init__(metadata, path, env) + + def _get_metadata(self, path): + requires = None + + def parse_requires_data(data): + """Create a list of dependencies from a requires.txt file. + + *data*: the contents of a setuptools-produced requires.txt file. + """ + reqs = [] + lines = data.splitlines() + for line in lines: + line = line.strip() + if line.startswith('['): + logger.warning('Unexpected line: quitting requirement scan: %r', + line) + break + r = parse_requirement(line) + if not r: + logger.warning('Not recognised as a requirement: %r', line) + continue + if r.extras: + logger.warning('extra requirements in requires.txt are ' + 'not supported') + if not r.constraints: + reqs.append(r.name) + else: + cons = ', '.join('%s%s' % c for c in r.constraints) + reqs.append('%s (%s)' % (r.name, cons)) + return reqs + + def parse_requires_path(req_path): + """Create a list of dependencies from a requires.txt file. + + *req_path*: the path to a setuptools-produced requires.txt file. + """ + + reqs = [] + try: + with codecs.open(req_path, 'r', 'utf-8') as fp: + reqs = parse_requires_data(fp.read()) + except IOError: + pass + return reqs + + if path.endswith('.egg'): + if os.path.isdir(path): + meta_path = os.path.join(path, 'EGG-INFO', 'PKG-INFO') + metadata = Metadata(path=meta_path, scheme='legacy') + req_path = os.path.join(path, 'EGG-INFO', 'requires.txt') + requires = parse_requires_path(req_path) + else: + # FIXME handle the case where zipfile is not available + zipf = zipimport.zipimporter(path) + fileobj = StringIO( + zipf.get_data('EGG-INFO/PKG-INFO').decode('utf8')) + metadata = Metadata(fileobj=fileobj, scheme='legacy') + try: + data = zipf.get_data('EGG-INFO/requires.txt') + requires = parse_requires_data(data.decode('utf-8')) + except IOError: + requires = None + elif path.endswith('.egg-info'): + if os.path.isdir(path): + path = os.path.join(path, 'PKG-INFO') + req_path = os.path.join(path, 'requires.txt') + requires = parse_requires_path(req_path) + metadata = Metadata(path=path, scheme='legacy') + else: + raise DistlibException('path must end with .egg-info or .egg, ' + 'got %r' % path) + + if requires: + metadata.add_requirements(requires) + return metadata + + def __repr__(self): + return '<EggInfoDistribution %r %s at %r>' % ( + self.name, self.version, self.path) + + def __str__(self): + return "%s %s" % (self.name, self.version) + + def check_installed_files(self): + """ + Checks that the hashes and sizes of the files in ``RECORD`` are + matched by the files themselves. Returns a (possibly empty) list of + mismatches. Each entry in the mismatch list will be a tuple consisting + of the path, 'exists', 'size' or 'hash' according to what didn't match + (existence is checked first, then size, then hash), the expected + value and the actual value. + """ + mismatches = [] + record_path = os.path.join(self.path, 'installed-files.txt') + if os.path.exists(record_path): + for path, _, _ in self.list_installed_files(): + if path == record_path: + continue + if not os.path.exists(path): + mismatches.append((path, 'exists', True, False)) + return mismatches + + def list_installed_files(self): + """ + Iterates over the ``installed-files.txt`` entries and returns a tuple + ``(path, hash, size)`` for each line. + + :returns: a list of (path, hash, size) + """ + + def _md5(path): + f = open(path, 'rb') + try: + content = f.read() + finally: + f.close() + return hashlib.md5(content).hexdigest() + + def _size(path): + return os.stat(path).st_size + + record_path = os.path.join(self.path, 'installed-files.txt') + result = [] + if os.path.exists(record_path): + with codecs.open(record_path, 'r', encoding='utf-8') as f: + for line in f: + line = line.strip() + p = os.path.normpath(os.path.join(self.path, line)) + # "./" is present as a marker between installed files + # and installation metadata files + if not os.path.exists(p): + logger.warning('Non-existent file: %s', p) + if p.endswith(('.pyc', '.pyo')): + continue + #otherwise fall through and fail + if not os.path.isdir(p): + result.append((p, _md5(p), _size(p))) + result.append((record_path, None, None)) + return result + + def list_distinfo_files(self, absolute=False): + """ + Iterates over the ``installed-files.txt`` entries and returns paths for + each line if the path is pointing to a file located in the + ``.egg-info`` directory or one of its subdirectories. + + :parameter absolute: If *absolute* is ``True``, each returned path is + transformed into a local absolute path. Otherwise the + raw value from ``installed-files.txt`` is returned. + :type absolute: boolean + :returns: iterator of paths + """ + record_path = os.path.join(self.path, 'installed-files.txt') + skip = True + with codecs.open(record_path, 'r', encoding='utf-8') as f: + for line in f: + line = line.strip() + if line == './': + skip = False + continue + if not skip: + p = os.path.normpath(os.path.join(self.path, line)) + if p.startswith(self.path): + if absolute: + yield p + else: + yield line + + def __eq__(self, other): + return (isinstance(other, EggInfoDistribution) and + self.path == other.path) + + # See http://docs.python.org/reference/datamodel#object.__hash__ + __hash__ = object.__hash__ + +new_dist_class = InstalledDistribution +old_dist_class = EggInfoDistribution + + +class DependencyGraph(object): + """ + Represents a dependency graph between distributions. + + The dependency relationships are stored in an ``adjacency_list`` that maps + distributions to a list of ``(other, label)`` tuples where ``other`` + is a distribution and the edge is labeled with ``label`` (i.e. the version + specifier, if such was provided). Also, for more efficient traversal, for + every distribution ``x``, a list of predecessors is kept in + ``reverse_list[x]``. An edge from distribution ``a`` to + distribution ``b`` means that ``a`` depends on ``b``. If any missing + dependencies are found, they are stored in ``missing``, which is a + dictionary that maps distributions to a list of requirements that were not + provided by any other distributions. + """ + + def __init__(self): + self.adjacency_list = {} + self.reverse_list = {} + self.missing = {} + + def add_distribution(self, distribution): + """Add the *distribution* to the graph. + + :type distribution: :class:`distutils2.database.InstalledDistribution` + or :class:`distutils2.database.EggInfoDistribution` + """ + self.adjacency_list[distribution] = [] + self.reverse_list[distribution] = [] + #self.missing[distribution] = [] + + def add_edge(self, x, y, label=None): + """Add an edge from distribution *x* to distribution *y* with the given + *label*. + + :type x: :class:`distutils2.database.InstalledDistribution` or + :class:`distutils2.database.EggInfoDistribution` + :type y: :class:`distutils2.database.InstalledDistribution` or + :class:`distutils2.database.EggInfoDistribution` + :type label: ``str`` or ``None`` + """ + self.adjacency_list[x].append((y, label)) + # multiple edges are allowed, so be careful + if x not in self.reverse_list[y]: + self.reverse_list[y].append(x) + + def add_missing(self, distribution, requirement): + """ + Add a missing *requirement* for the given *distribution*. + + :type distribution: :class:`distutils2.database.InstalledDistribution` + or :class:`distutils2.database.EggInfoDistribution` + :type requirement: ``str`` + """ + logger.debug('%s missing %r', distribution, requirement) + self.missing.setdefault(distribution, []).append(requirement) + + def _repr_dist(self, dist): + return '%s %s' % (dist.name, dist.version) + + def repr_node(self, dist, level=1): + """Prints only a subgraph""" + output = [self._repr_dist(dist)] + for other, label in self.adjacency_list[dist]: + dist = self._repr_dist(other) + if label is not None: + dist = '%s [%s]' % (dist, label) + output.append(' ' * level + str(dist)) + suboutput = self.repr_node(other, level + 1) + subs = suboutput.split('\n') + output.extend(subs[1:]) + return '\n'.join(output) + + def to_dot(self, f, skip_disconnected=True): + """Writes a DOT output for the graph to the provided file *f*. + + If *skip_disconnected* is set to ``True``, then all distributions + that are not dependent on any other distribution are skipped. + + :type f: has to support ``file``-like operations + :type skip_disconnected: ``bool`` + """ + disconnected = [] + + f.write("digraph dependencies {\n") + for dist, adjs in self.adjacency_list.items(): + if len(adjs) == 0 and not skip_disconnected: + disconnected.append(dist) + for other, label in adjs: + if not label is None: + f.write('"%s" -> "%s" [label="%s"]\n' % + (dist.name, other.name, label)) + else: + f.write('"%s" -> "%s"\n' % (dist.name, other.name)) + if not skip_disconnected and len(disconnected) > 0: + f.write('subgraph disconnected {\n') + f.write('label = "Disconnected"\n') + f.write('bgcolor = red\n') + + for dist in disconnected: + f.write('"%s"' % dist.name) + f.write('\n') + f.write('}\n') + f.write('}\n') + + def topological_sort(self): + """ + Perform a topological sort of the graph. + :return: A tuple, the first element of which is a topologically sorted + list of distributions, and the second element of which is a + list of distributions that cannot be sorted because they have + circular dependencies and so form a cycle. + """ + result = [] + # Make a shallow copy of the adjacency list + alist = {} + for k, v in self.adjacency_list.items(): + alist[k] = v[:] + while True: + # See what we can remove in this run + to_remove = [] + for k, v in list(alist.items())[:]: + if not v: + to_remove.append(k) + del alist[k] + if not to_remove: + # What's left in alist (if anything) is a cycle. + break + # Remove from the adjacency list of others + for k, v in alist.items(): + alist[k] = [(d, r) for d, r in v if d not in to_remove] + logger.debug('Moving to result: %s', + ['%s (%s)' % (d.name, d.version) for d in to_remove]) + result.extend(to_remove) + return result, list(alist.keys()) + + def __repr__(self): + """Representation of the graph""" + output = [] + for dist, adjs in self.adjacency_list.items(): + output.append(self.repr_node(dist)) + return '\n'.join(output) + + +def make_graph(dists, scheme='default'): + """Makes a dependency graph from the given distributions. + + :parameter dists: a list of distributions + :type dists: list of :class:`distutils2.database.InstalledDistribution` and + :class:`distutils2.database.EggInfoDistribution` instances + :rtype: a :class:`DependencyGraph` instance + """ + scheme = get_scheme(scheme) + graph = DependencyGraph() + provided = {} # maps names to lists of (version, dist) tuples + + # first, build the graph and find out what's provided + for dist in dists: + graph.add_distribution(dist) + + for p in dist.provides: + name, version = parse_name_and_version(p) + logger.debug('Add to provided: %s, %s, %s', name, version, dist) + provided.setdefault(name, []).append((version, dist)) + + # now make the edges + for dist in dists: + requires = (dist.run_requires | dist.meta_requires | + dist.build_requires | dist.dev_requires) + for req in requires: + try: + matcher = scheme.matcher(req) + except UnsupportedVersionError: + # XXX compat-mode if cannot read the version + logger.warning('could not read version %r - using name only', + req) + name = req.split()[0] + matcher = scheme.matcher(name) + + name = matcher.key # case-insensitive + + matched = False + if name in provided: + for version, provider in provided[name]: + try: + match = matcher.match(version) + except UnsupportedVersionError: + match = False + + if match: + graph.add_edge(dist, provider, req) + matched = True + break + if not matched: + graph.add_missing(dist, req) + return graph + + +def get_dependent_dists(dists, dist): + """Recursively generate a list of distributions from *dists* that are + dependent on *dist*. + + :param dists: a list of distributions + :param dist: a distribution, member of *dists* for which we are interested + """ + if dist not in dists: + raise DistlibException('given distribution %r is not a member ' + 'of the list' % dist.name) + graph = make_graph(dists) + + dep = [dist] # dependent distributions + todo = graph.reverse_list[dist] # list of nodes we should inspect + + while todo: + d = todo.pop() + dep.append(d) + for succ in graph.reverse_list[d]: + if succ not in dep: + todo.append(succ) + + dep.pop(0) # remove dist from dep, was there to prevent infinite loops + return dep + + +def get_required_dists(dists, dist): + """Recursively generate a list of distributions from *dists* that are + required by *dist*. + + :param dists: a list of distributions + :param dist: a distribution, member of *dists* for which we are interested + """ + if dist not in dists: + raise DistlibException('given distribution %r is not a member ' + 'of the list' % dist.name) + graph = make_graph(dists) + + req = [] # required distributions + todo = graph.adjacency_list[dist] # list of nodes we should inspect + + while todo: + d = todo.pop()[0] + req.append(d) + for pred in graph.adjacency_list[d]: + if pred not in req: + todo.append(pred) + + return req + + +def make_dist(name, version, **kwargs): + """ + A convenience method for making a dist given just a name and version. + """ + summary = kwargs.pop('summary', 'Placeholder for summary') + md = Metadata(**kwargs) + md.name = name + md.version = version + md.summary = summary or 'Plaeholder for summary' + return Distribution(md) diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/index.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/index.py new file mode 100644 index 0000000..30b2aa5 --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/index.py @@ -0,0 +1,480 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2013 Vinay Sajip. +# Licensed to the Python Software Foundation under a contributor agreement. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +import hashlib +import logging +import os +import shutil +import subprocess +import tempfile +try: + from threading import Thread +except ImportError: + from dummy_threading import Thread + +from distlib import DistlibException +from distlib.compat import (HTTPBasicAuthHandler, Request, HTTPPasswordMgr, + urlparse, build_opener) +from distlib.util import cached_property, zip_dir + +logger = logging.getLogger(__name__) + +DEFAULT_INDEX = 'https://pypi.python.org/pypi' +DEFAULT_REALM = 'pypi' + +class PackageIndex(object): + """ + This class represents a package index compatible with PyPI, the Python + Package Index. + """ + + boundary = b'----------ThIs_Is_tHe_distlib_index_bouNdaRY_$' + + def __init__(self, url=None): + """ + Initialise an instance. + + :param url: The URL of the index. If not specified, the URL for PyPI is + used. + """ + self.url = url or DEFAULT_INDEX + self.read_configuration() + scheme, netloc, path, params, query, frag = urlparse(self.url) + if params or query or frag or scheme not in ('http', 'https'): + raise DistlibException('invalid repository: %s' % self.url) + self.password_handler = None + self.ssl_verifier = None + self.gpg = None + self.gpg_home = None + with open(os.devnull, 'w') as sink: + for s in ('gpg2', 'gpg'): + try: + rc = subprocess.check_call([s, '--version'], stdout=sink, + stderr=sink) + if rc == 0: + self.gpg = s + break + except OSError: + pass + + def _get_pypirc_command(self): + """ + Get the distutils command for interacting with PyPI configurations. + :return: the command. + """ + from distutils.core import Distribution + from distutils.config import PyPIRCCommand + d = Distribution() + return PyPIRCCommand(d) + + def read_configuration(self): + """ + Read the PyPI access configuration as supported by distutils, getting + PyPI to do the acutal work. This populates ``username``, ``password``, + ``realm`` and ``url`` attributes from the configuration. + """ + # get distutils to do the work + c = self._get_pypirc_command() + c.repository = self.url + cfg = c._read_pypirc() + self.username = cfg.get('username') + self.password = cfg.get('password') + self.realm = cfg.get('realm', 'pypi') + self.url = cfg.get('repository', self.url) + + def save_configuration(self): + """ + Save the PyPI access configuration. You must have set ``username`` and + ``password`` attributes before calling this method. + + Again, distutils is used to do the actual work. + """ + self.check_credentials() + # get distutils to do the work + c = self._get_pypirc_command() + c._store_pypirc(self.username, self.password) + + def check_credentials(self): + """ + Check that ``username`` and ``password`` have been set, and raise an + exception if not. + """ + if self.username is None or self.password is None: + raise DistlibException('username and password must be set') + pm = HTTPPasswordMgr() + _, netloc, _, _, _, _ = urlparse(self.url) + pm.add_password(self.realm, netloc, self.username, self.password) + self.password_handler = HTTPBasicAuthHandler(pm) + + def register(self, metadata): + """ + Register a distribution on PyPI, using the provided metadata. + + :param metadata: A :class:`Metadata` instance defining at least a name + and version number for the distribution to be + registered. + :return: The HTTP response received from PyPI upon submission of the + request. + """ + self.check_credentials() + metadata.validate() + d = metadata.todict() + d[':action'] = 'verify' + request = self.encode_request(d.items(), []) + response = self.send_request(request) + d[':action'] = 'submit' + request = self.encode_request(d.items(), []) + return self.send_request(request) + + def _reader(self, name, stream, outbuf): + """ + Thread runner for reading lines of from a subprocess into a buffer. + + :param name: The logical name of the stream (used for logging only). + :param stream: The stream to read from. This will typically a pipe + connected to the output stream of a subprocess. + :param outbuf: The list to append the read lines to. + """ + while True: + s = stream.readline() + if not s: + break + s = s.decode('utf-8').rstrip() + outbuf.append(s) + logger.debug('%s: %s' % (name, s)) + stream.close() + + def get_sign_command(self, filename, signer, sign_password): + """ + Return a suitable command for signing a file. + + :param filename: The pathname to the file to be signed. + :param signer: The identifier of the signer of the file. + :param sign_password: The passphrase for the signer's + private key used for signing. + :return: The signing command as a list suitable to be + passed to :class:`subprocess.Popen`. + """ + cmd = [self.gpg, '--status-fd', '2', '--no-tty'] + if self.gpg_home: + cmd.extend(['--homedir', self.gpg_home]) + if sign_password is not None: + cmd.extend(['--batch', '--passphrase-fd', '0']) + td = tempfile.mkdtemp() + sf = os.path.join(td, os.path.basename(filename) + '.asc') + cmd.extend(['--detach-sign', '--armor', '--local-user', + signer, '--output', sf, filename]) + logger.debug('invoking: %s', ' '.join(cmd)) + return cmd, sf + + def run_command(self, cmd, input_data=None): + """ + Run a command in a child process , passing it any input data specified. + + :param cmd: The command to run. + :param input_data: If specified, this must be a byte string containing + data to be sent to the child process. + :return: A tuple consisting of the subprocess' exit code, a list of + lines read from the subprocess' ``stdout``, and a list of + lines read from the subprocess' ``stderr``. + """ + kwargs = { + 'stdout': subprocess.PIPE, + 'stderr': subprocess.PIPE, + } + if input_data is not None: + kwargs['stdin'] = subprocess.PIPE + stdout = [] + stderr = [] + p = subprocess.Popen(cmd, **kwargs) + # We don't use communicate() here because we may need to + # get clever with interacting with the command + t1 = Thread(target=self._reader, args=('stdout', p.stdout, stdout)) + t1.start() + t2 = Thread(target=self._reader, args=('stderr', p.stderr, stderr)) + t2.start() + if input_data is not None: + p.stdin.write(input_data) + p.stdin.close() + + p.wait() + t1.join() + t2.join() + return p.returncode, stdout, stderr + + def sign_file(self, filename, signer, sign_password): + """ + Sign a file. + + :param filename: The pathname to the file to be signed. + :param signer: The identifier of the signer of the file. + :param sign_password: The passphrase for the signer's + private key used for signing. + :return: The absolute pathname of the file where the signature is + stored. + """ + cmd, sig_file = self.get_sign_command(filename, signer, sign_password) + rc, stdout, stderr = self.run_command(cmd, + sign_password.encode('utf-8')) + if rc != 0: + raise DistlibException('sign command failed with error ' + 'code %s' % rc) + return sig_file + + def upload_file(self, metadata, filename, signer=None, sign_password=None, + filetype='sdist', pyversion='source'): + """ + Upload a release file to the index. + + :param metadata: A :class:`Metadata` instance defining at least a name + and version number for the file to be uploaded. + :param filename: The pathname of the file to be uploaded. + :param signer: The identifier of the signer of the file. + :param sign_password: The passphrase for the signer's + private key used for signing. + :param filetype: The type of the file being uploaded. This is the + distutils command which produced that file, e.g. + ``sdist`` or ``bdist_wheel``. + :param pyversion: The version of Python which the release relates + to. For code compatible with any Python, this would + be ``source``, otherwise it would be e.g. ``3.2``. + :return: The HTTP response received from PyPI upon submission of the + request. + """ + self.check_credentials() + if not os.path.exists(filename): + raise DistlibException('not found: %s' % filename) + metadata.validate() + d = metadata.todict() + sig_file = None + if signer: + if not self.gpg: + logger.warning('no signing program available - not signed') + else: + sig_file = self.sign_file(filename, signer, sign_password) + with open(filename, 'rb') as f: + file_data = f.read() + md5_digest = hashlib.md5(file_data).hexdigest() + sha256_digest = hashlib.sha256(file_data).hexdigest() + d.update({ + ':action': 'file_upload', + 'protcol_version': '1', + 'filetype': filetype, + 'pyversion': pyversion, + 'md5_digest': md5_digest, + 'sha256_digest': sha256_digest, + }) + files = [('content', os.path.basename(filename), file_data)] + if sig_file: + with open(sig_file, 'rb') as f: + sig_data = f.read() + files.append(('gpg_signature', os.path.basename(sig_file), + sig_data)) + shutil.rmtree(os.path.dirname(sig_file)) + request = self.encode_request(d.items(), files) + return self.send_request(request) + + def upload_documentation(self, metadata, doc_dir): + """ + Upload documentation to the index. + + :param metadata: A :class:`Metadata` instance defining at least a name + and version number for the documentation to be + uploaded. + :param doc_dir: The pathname of the directory which contains the + documentation. This should be the directory that + contains the ``index.html`` for the documentation. + :return: The HTTP response received from PyPI upon submission of the + request. + """ + self.check_credentials() + if not os.path.isdir(doc_dir): + raise DistlibException('not a directory: %r' % doc_dir) + fn = os.path.join(doc_dir, 'index.html') + if not os.path.exists(fn): + raise DistlibException('not found: %r' % fn) + metadata.validate() + name, version = metadata.name, metadata.version + zip_data = zip_dir(doc_dir).getvalue() + fields = [(':action', 'doc_upload'), + ('name', name), ('version', version)] + files = [('content', name, zip_data)] + request = self.encode_request(fields, files) + return self.send_request(request) + + def get_verify_command(self, signature_filename, data_filename): + """ + Return a suitable command for verifying a file. + + :param signature_filename: The pathname to the file containing the + signature. + :param data_filename: The pathname to the file containing the + signed data. + :return: The verifying command as a list suitable to be + passed to :class:`subprocess.Popen`. + """ + cmd = [self.gpg, '--status-fd', '2', '--no-tty'] + if self.gpg_home: + cmd.extend(['--homedir', self.gpg_home]) + cmd.extend(['--verify', signature_filename, data_filename]) + logger.debug('invoking: %s', ' '.join(cmd)) + return cmd + + def verify_signature(self, signature_filename, data_filename): + """ + Verify a signature for a file. + + :param signature_filename: The pathname to the file containing the + signature. + :param data_filename: The pathname to the file containing the + signed data. + :return: True if the signature was verified, else False. + """ + if not self.gpg: + raise DistlibException('verification unavailable because gpg ' + 'unavailable') + cmd = self.get_verify_command(signature_filename, data_filename) + rc, stdout, stderr = self.run_command(cmd) + if rc not in (0, 1): + raise DistlibException('verify command failed with error ' + 'code %s' % rc) + return rc == 0 + + def download_file(self, url, destfile, digest=None, reporthook=None): + """ + This is a convenience method for downloading a file from an URL. + Normally, this will be a file from the index, though currently + no check is made for this (i.e. a file can be downloaded from + anywhere). + + The method is just like the :func:`urlretrieve` function in the + standard library, except that it allows digest computation to be + done during download and checking that the downloaded data + matched any expected value. + + :param url: The URL of the file to be downloaded (assumed to be + available via an HTTP GET request). + :param destfile: The pathname where the downloaded file is to be + saved. + :param digest: If specified, this must be a (hasher, value) + tuple, where hasher is the algorithm used (e.g. + ``'md5'``) and ``value`` is the expected value. + :param reporthook: The same as for :func:`urlretrieve` in the + standard library. + """ + if digest is None: + digester = None + logger.debug('No digest specified') + else: + if isinstance(digest, (list, tuple)): + hasher, digest = digest + else: + hasher = 'md5' + digester = getattr(hashlib, hasher)() + logger.debug('Digest specified: %s' % digest) + # The following code is equivalent to urlretrieve. + # We need to do it this way so that we can compute the + # digest of the file as we go. + with open(destfile, 'wb') as dfp: + # addinfourl is not a context manager on 2.x + # so we have to use try/finally + sfp = self.send_request(Request(url)) + try: + headers = sfp.info() + blocksize = 8192 + size = -1 + read = 0 + blocknum = 0 + if "content-length" in headers: + size = int(headers["Content-Length"]) + if reporthook: + reporthook(blocknum, blocksize, size) + while True: + block = sfp.read(blocksize) + if not block: + break + read += len(block) + dfp.write(block) + if digester: + digester.update(block) + blocknum += 1 + if reporthook: + reporthook(blocknum, blocksize, size) + finally: + sfp.close() + + # check that we got the whole file, if we can + if size >= 0 and read < size: + raise DistlibException( + 'retrieval incomplete: got only %d out of %d bytes' + % (read, size)) + # if we have a digest, it must match. + if digester: + actual = digester.hexdigest() + if digest != actual: + raise DistlibException('%s digest mismatch for %s: expected ' + '%s, got %s' % (hasher, destfile, + digest, actual)) + logger.debug('Digest verified: %s', digest) + + def send_request(self, req): + """ + Send a standard library :class:`Request` to PyPI and return its + response. + + :param req: The request to send. + :return: The HTTP response from PyPI (a standard library HTTPResponse). + """ + handlers = [] + if self.password_handler: + handlers.append(self.password_handler) + if self.ssl_verifier: + handlers.append(self.ssl_verifier) + opener = build_opener(*handlers) + return opener.open(req) + + def encode_request(self, fields, files): + """ + Encode fields and files for posting to an HTTP server. + + :param fields: The fields to send as a list of (fieldname, value) + tuples. + :param files: The files to send as a list of (fieldname, filename, + file_bytes) tuple. + """ + # Adapted from packaging, which in turn was adapted from + # http://code.activestate.com/recipes/146306 + + parts = [] + boundary = self.boundary + for k, values in fields: + if not isinstance(values, (list, tuple)): + values = [values] + + for v in values: + parts.extend(( + b'--' + boundary, + ('Content-Disposition: form-data; name="%s"' % + k).encode('utf-8'), + b'', + v.encode('utf-8'))) + for key, filename, value in files: + parts.extend(( + b'--' + boundary, + ('Content-Disposition: form-data; name="%s"; filename="%s"' % + (key, filename)).encode('utf-8'), + b'', + value)) + + parts.extend((b'--' + boundary + b'--', b'')) + + body = b'\r\n'.join(parts) + ct = b'multipart/form-data; boundary=' + boundary + headers = { + 'Content-type': ct, + 'Content-length': str(len(body)) + } + return Request(self.url, body, headers) diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/locators.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/locators.py new file mode 100644 index 0000000..ffe9931 --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/locators.py @@ -0,0 +1,1187 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2012-2013 Vinay Sajip. +# Licensed to the Python Software Foundation under a contributor agreement. +# See LICENSE.txt and CONTRIBUTORS.txt. +# + +import gzip +from io import BytesIO +import json +import logging +import os +import posixpath +import re +try: + import threading +except ImportError: + import dummy_threading as threading +import zlib + +from . import DistlibException +from .compat import (urljoin, urlparse, urlunparse, url2pathname, pathname2url, + queue, quote, unescape, string_types, build_opener, + HTTPRedirectHandler as BaseRedirectHandler, + Request, HTTPError, URLError) +from .database import Distribution, DistributionPath, make_dist +from .metadata import Metadata +from .util import (cached_property, parse_credentials, ensure_slash, + split_filename, get_project_data, parse_requirement, + parse_name_and_version, ServerProxy) +from .version import get_scheme, UnsupportedVersionError +from .wheel import Wheel, is_compatible + +logger = logging.getLogger(__name__) + +HASHER_HASH = re.compile('^(\w+)=([a-f0-9]+)') +CHARSET = re.compile(r';\s*charset\s*=\s*(.*)\s*$', re.I) +HTML_CONTENT_TYPE = re.compile('text/html|application/x(ht)?ml') +DEFAULT_INDEX = 'http://python.org/pypi' + +def get_all_distribution_names(url=None): + """ + Return all distribution names known by an index. + :param url: The URL of the index. + :return: A list of all known distribution names. + """ + if url is None: + url = DEFAULT_INDEX + client = ServerProxy(url, timeout=3.0) + return client.list_packages() + +class RedirectHandler(BaseRedirectHandler): + """ + A class to work around a bug in some Python 3.2.x releases. + """ + # There's a bug in the base version for some 3.2.x + # (e.g. 3.2.2 on Ubuntu Oneiric). If a Location header + # returns e.g. /abc, it bails because it says the scheme '' + # is bogus, when actually it should use the request's + # URL for the scheme. See Python issue #13696. + def http_error_302(self, req, fp, code, msg, headers): + # Some servers (incorrectly) return multiple Location headers + # (so probably same goes for URI). Use first header. + newurl = None + for key in ('location', 'uri'): + if key in headers: + newurl = headers[key] + break + if newurl is None: + return + urlparts = urlparse(newurl) + if urlparts.scheme == '': + newurl = urljoin(req.get_full_url(), newurl) + if hasattr(headers, 'replace_header'): + headers.replace_header(key, newurl) + else: + headers[key] = newurl + return BaseRedirectHandler.http_error_302(self, req, fp, code, msg, + headers) + + http_error_301 = http_error_303 = http_error_307 = http_error_302 + +class Locator(object): + """ + A base class for locators - things that locate distributions. + """ + source_extensions = ('.tar.gz', '.tar.bz2', '.tar', '.zip', '.tgz', '.tbz') + binary_extensions = ('.egg', '.exe', '.whl') + excluded_extensions = ('.pdf',) + + # A list of tags indicating which wheels you want to match. The default + # value of None matches against the tags compatible with the running + # Python. If you want to match other values, set wheel_tags on a locator + # instance to a list of tuples (pyver, abi, arch) which you want to match. + wheel_tags = None + + downloadable_extensions = source_extensions + ('.whl',) + + def __init__(self, scheme='default'): + """ + Initialise an instance. + :param scheme: Because locators look for most recent versions, they + need to know the version scheme to use. This specifies + the current PEP-recommended scheme - use ``'legacy'`` + if you need to support existing distributions on PyPI. + """ + self._cache = {} + self.scheme = scheme + # Because of bugs in some of the handlers on some of the platforms, + # we use our own opener rather than just using urlopen. + self.opener = build_opener(RedirectHandler()) + # If get_project() is called from locate(), the matcher instance + # is set from the requirement passed to locate(). See issue #18 for + # why this can be useful to know. + self.matcher = None + + def clear_cache(self): + self._cache.clear() + + def _get_scheme(self): + return self._scheme + + def _set_scheme(self, value): + self._scheme = value + + scheme = property(_get_scheme, _set_scheme) + + def _get_project(self, name): + """ + For a given project, get a dictionary mapping available versions to Distribution + instances. + + This should be implemented in subclasses. + + If called from a locate() request, self.matcher will be set to a + matcher for the requirement to satisfy, otherwise it will be None. + """ + raise NotImplementedError('Please implement in the subclass') + + def get_distribution_names(self): + """ + Return all the distribution names known to this locator. + """ + raise NotImplementedError('Please implement in the subclass') + + def get_project(self, name): + """ + For a given project, get a dictionary mapping available versions to Distribution + instances. + + This calls _get_project to do all the work, and just implements a caching layer on top. + """ + if self._cache is None: + result = self._get_project(name) + elif name in self._cache: + result = self._cache[name] + else: + result = self._get_project(name) + self._cache[name] = result + return result + + def score_url(self, url): + """ + Give an url a score which can be used to choose preferred URLs + for a given project release. + """ + t = urlparse(url) + return (t.scheme != 'https', 'pypi.python.org' in t.netloc, + posixpath.basename(t.path)) + + def prefer_url(self, url1, url2): + """ + Choose one of two URLs where both are candidates for distribution + archives for the same version of a distribution (for example, + .tar.gz vs. zip). + + The current implement favours http:// URLs over https://, archives + from PyPI over those from other locations and then the archive name. + """ + result = url2 + if url1: + s1 = self.score_url(url1) + s2 = self.score_url(url2) + if s1 > s2: + result = url1 + if result != url2: + logger.debug('Not replacing %r with %r', url1, url2) + else: + logger.debug('Replacing %r with %r', url1, url2) + return result + + def split_filename(self, filename, project_name): + """ + Attempt to split a filename in project name, version and Python version. + """ + return split_filename(filename, project_name) + + def convert_url_to_download_info(self, url, project_name): + """ + See if a URL is a candidate for a download URL for a project (the URL + has typically been scraped from an HTML page). + + If it is, a dictionary is returned with keys "name", "version", + "filename" and "url"; otherwise, None is returned. + """ + def same_project(name1, name2): + name1, name2 = name1.lower(), name2.lower() + if name1 == name2: + result = True + else: + # distribute replaces '-' by '_' in project names, so it + # can tell where the version starts in a filename. + result = name1.replace('_', '-') == name2.replace('_', '-') + return result + + result = None + scheme, netloc, path, params, query, frag = urlparse(url) + if frag.lower().startswith('egg='): + logger.debug('%s: version hint in fragment: %r', + project_name, frag) + m = HASHER_HASH.match(frag) + if m: + algo, digest = m.groups() + else: + algo, digest = None, None + origpath = path + if path and path[-1] == '/': + path = path[:-1] + if path.endswith('.whl'): + try: + wheel = Wheel(path) + if is_compatible(wheel, self.wheel_tags): + if project_name is None: + include = True + else: + include = same_project(wheel.name, project_name) + if include: + result = { + 'name': wheel.name, + 'version': wheel.version, + 'filename': wheel.filename, + 'url': urlunparse((scheme, netloc, origpath, + params, query, '')), + 'python-version': ', '.join( + ['.'.join(list(v[2:])) for v in wheel.pyver]), + } + except Exception as e: + logger.warning('invalid path for wheel: %s', path) + elif path.endswith(self.downloadable_extensions): + path = filename = posixpath.basename(path) + for ext in self.downloadable_extensions: + if path.endswith(ext): + path = path[:-len(ext)] + t = self.split_filename(path, project_name) + if not t: + logger.debug('No match for project/version: %s', path) + else: + name, version, pyver = t + if not project_name or same_project(project_name, name): + result = { + 'name': name, + 'version': version, + 'filename': filename, + 'url': urlunparse((scheme, netloc, origpath, + params, query, '')), + #'packagetype': 'sdist', + } + if pyver: + result['python-version'] = pyver + break + if result and algo: + result['%s_digest' % algo] = digest + return result + + def _get_digest(self, info): + """ + Get a digest from a dictionary by looking at keys of the form + 'algo_digest'. + + Returns a 2-tuple (algo, digest) if found, else None. Currently + looks only for SHA256, then MD5. + """ + result = None + for algo in ('sha256', 'md5'): + key = '%s_digest' % algo + if key in info: + result = (algo, info[key]) + break + return result + + def _update_version_data(self, result, info): + """ + Update a result dictionary (the final result from _get_project) with a dictionary for a + specific version, whih typically holds information gleaned from a filename or URL for an + archive for the distribution. + """ + name = info.pop('name') + version = info.pop('version') + if version in result: + dist = result[version] + md = dist.metadata + else: + dist = make_dist(name, version, scheme=self.scheme) + md = dist.metadata + dist.digest = self._get_digest(info) + if md.source_url != info['url']: + md.source_url = self.prefer_url(md.source_url, info['url']) + dist.locator = self + result[version] = dist + + def locate(self, requirement, prereleases=False): + """ + Find the most recent distribution which matches the given + requirement. + + :param requirement: A requirement of the form 'foo (1.0)' or perhaps + 'foo (>= 1.0, < 2.0, != 1.3)' + :param prereleases: If ``True``, allow pre-release versions + to be located. Otherwise, pre-release versions + are not returned. + :return: A :class:`Distribution` instance, or ``None`` if no such + distribution could be located. + """ + result = None + r = parse_requirement(requirement) + if r is None: + raise DistlibException('Not a valid requirement: %r' % requirement) + scheme = get_scheme(self.scheme) + self.matcher = matcher = scheme.matcher(r.requirement) + logger.debug('matcher: %s (%s)', matcher, type(matcher).__name__) + versions = self.get_project(r.name) + if versions: + # sometimes, versions are invalid + slist = [] + vcls = matcher.version_class + for k in versions: + try: + if not matcher.match(k): + logger.debug('%s did not match %r', matcher, k) + else: + if prereleases or not vcls(k).is_prerelease: + slist.append(k) + else: + logger.debug('skipping pre-release ' + 'version %s of %s', k, matcher.name) + except Exception: + logger.warning('error matching %s with %r', matcher, k) + pass # slist.append(k) + if len(slist) > 1: + slist = sorted(slist, key=scheme.key) + if slist: + logger.debug('sorted list: %s', slist) + result = versions[slist[-1]] + if result and r.extras: + result.extras = r.extras + self.matcher = None + return result + + +class PyPIRPCLocator(Locator): + """ + This locator uses XML-RPC to locate distributions. It therefore + cannot be used with simple mirrors (that only mirror file content). + """ + def __init__(self, url, **kwargs): + """ + Initialise an instance. + + :param url: The URL to use for XML-RPC. + :param kwargs: Passed to the superclass constructor. + """ + super(PyPIRPCLocator, self).__init__(**kwargs) + self.base_url = url + self.client = ServerProxy(url, timeout=3.0) + + def get_distribution_names(self): + """ + Return all the distribution names known to this locator. + """ + return set(self.client.list_packages()) + + def _get_project(self, name): + result = {} + versions = self.client.package_releases(name, True) + for v in versions: + urls = self.client.release_urls(name, v) + data = self.client.release_data(name, v) + metadata = Metadata(scheme=self.scheme) + metadata.name = data['name'] + metadata.version = data['version'] + metadata.license = data.get('license') + metadata.keywords = data.get('keywords', []) + metadata.summary = data.get('summary') + dist = Distribution(metadata) + if urls: + info = urls[0] + metadata.source_url = info['url'] + dist.digest = self._get_digest(info) + dist.locator = self + result[v] = dist + return result + +class PyPIJSONLocator(Locator): + """ + This locator uses PyPI's JSON interface. It's very limited in functionality + nad probably not worth using. + """ + def __init__(self, url, **kwargs): + super(PyPIJSONLocator, self).__init__(**kwargs) + self.base_url = ensure_slash(url) + + def get_distribution_names(self): + """ + Return all the distribution names known to this locator. + """ + raise NotImplementedError('Not available from this locator') + + def _get_project(self, name): + result = {} + url = urljoin(self.base_url, '%s/json' % quote(name)) + try: + resp = self.opener.open(url) + data = resp.read().decode() # for now + d = json.loads(data) + md = Metadata(scheme=self.scheme) + data = d['info'] + md.name = data['name'] + md.version = data['version'] + md.license = data.get('license') + md.keywords = data.get('keywords', []) + md.summary = data.get('summary') + dist = Distribution(md) + urls = d['urls'] + if urls: + info = urls[0] + md.source_url = info['url'] + dist.digest = self._get_digest(info) + dist.locator = self + result[md.version] = dist + except Exception as e: + logger.exception('JSON fetch failed: %s', e) + return result + + +class Page(object): + """ + This class represents a scraped HTML page. + """ + # The following slightly hairy-looking regex just looks for the contents of + # an anchor link, which has an attribute "href" either immediately preceded + # or immediately followed by a "rel" attribute. The attribute values can be + # declared with double quotes, single quotes or no quotes - which leads to + # the length of the expression. + _href = re.compile(""" +(rel\s*=\s*(?:"(?P<rel1>[^"]*)"|'(?P<rel2>[^']*)'|(?P<rel3>[^>\s\n]*))\s+)? +href\s*=\s*(?:"(?P<url1>[^"]*)"|'(?P<url2>[^']*)'|(?P<url3>[^>\s\n]*)) +(\s+rel\s*=\s*(?:"(?P<rel4>[^"]*)"|'(?P<rel5>[^']*)'|(?P<rel6>[^>\s\n]*)))? +""", re.I | re.S | re.X) + _base = re.compile(r"""<base\s+href\s*=\s*['"]?([^'">]+)""", re.I | re.S) + + def __init__(self, data, url): + """ + Initialise an instance with the Unicode page contents and the URL they + came from. + """ + self.data = data + self.base_url = self.url = url + m = self._base.search(self.data) + if m: + self.base_url = m.group(1) + + _clean_re = re.compile(r'[^a-z0-9$&+,/:;=?@.#%_\\|-]', re.I) + + @cached_property + def links(self): + """ + Return the URLs of all the links on a page together with information + about their "rel" attribute, for determining which ones to treat as + downloads and which ones to queue for further scraping. + """ + def clean(url): + "Tidy up an URL." + scheme, netloc, path, params, query, frag = urlparse(url) + return urlunparse((scheme, netloc, quote(path), + params, query, frag)) + + result = set() + for match in self._href.finditer(self.data): + d = match.groupdict('') + rel = (d['rel1'] or d['rel2'] or d['rel3'] or + d['rel4'] or d['rel5'] or d['rel6']) + url = d['url1'] or d['url2'] or d['url3'] + url = urljoin(self.base_url, url) + url = unescape(url) + url = self._clean_re.sub(lambda m: '%%%2x' % ord(m.group(0)), url) + result.add((url, rel)) + # We sort the result, hoping to bring the most recent versions + # to the front + result = sorted(result, key=lambda t: t[0], reverse=True) + return result + + +class SimpleScrapingLocator(Locator): + """ + A locator which scrapes HTML pages to locate downloads for a distribution. + This runs multiple threads to do the I/O; performance is at least as good + as pip's PackageFinder, which works in an analogous fashion. + """ + + # These are used to deal with various Content-Encoding schemes. + decoders = { + 'deflate': zlib.decompress, + 'gzip': lambda b: gzip.GzipFile(fileobj=BytesIO(d)).read(), + 'none': lambda b: b, + } + + def __init__(self, url, timeout=None, num_workers=10, **kwargs): + """ + Initialise an instance. + :param url: The root URL to use for scraping. + :param timeout: The timeout, in seconds, to be applied to requests. + This defaults to ``None`` (no timeout specified). + :param num_workers: The number of worker threads you want to do I/O, + This defaults to 10. + :param kwargs: Passed to the superclass. + """ + super(SimpleScrapingLocator, self).__init__(**kwargs) + self.base_url = ensure_slash(url) + self.timeout = timeout + self._page_cache = {} + self._seen = set() + self._to_fetch = queue.Queue() + self._bad_hosts = set() + self.skip_externals = False + self.num_workers = num_workers + self._lock = threading.RLock() + + def _prepare_threads(self): + """ + Threads are created only when get_project is called, and terminate + before it returns. They are there primarily to parallelise I/O (i.e. + fetching web pages). + """ + self._threads = [] + for i in range(self.num_workers): + t = threading.Thread(target=self._fetch) + t.setDaemon(True) + t.start() + self._threads.append(t) + + def _wait_threads(self): + """ + Tell all the threads to terminate (by sending a sentinel value) and + wait for them to do so. + """ + # Note that you need two loops, since you can't say which + # thread will get each sentinel + for t in self._threads: + self._to_fetch.put(None) # sentinel + for t in self._threads: + t.join() + self._threads = [] + + def _get_project(self, name): + self.result = result = {} + self.project_name = name + url = urljoin(self.base_url, '%s/' % quote(name)) + self._seen.clear() + self._page_cache.clear() + self._prepare_threads() + try: + logger.debug('Queueing %s', url) + self._to_fetch.put(url) + self._to_fetch.join() + finally: + self._wait_threads() + del self.result + return result + + platform_dependent = re.compile(r'\b(linux-(i\d86|x86_64|arm\w+)|' + r'win(32|-amd64)|macosx-?\d+)\b', re.I) + + def _is_platform_dependent(self, url): + """ + Does an URL refer to a platform-specific download? + """ + return self.platform_dependent.search(url) + + def _process_download(self, url): + """ + See if an URL is a suitable download for a project. + + If it is, register information in the result dictionary (for + _get_project) about the specific version it's for. + + Note that the return value isn't actually used other than as a boolean + value. + """ + if self._is_platform_dependent(url): + info = None + else: + info = self.convert_url_to_download_info(url, self.project_name) + logger.debug('process_download: %s -> %s', url, info) + if info: + with self._lock: # needed because self.result is shared + self._update_version_data(self.result, info) + return info + + def _should_queue(self, link, referrer, rel): + """ + Determine whether a link URL from a referring page and with a + particular "rel" attribute should be queued for scraping. + """ + scheme, netloc, path, _, _, _ = urlparse(link) + if path.endswith(self.source_extensions + self.binary_extensions + + self.excluded_extensions): + result = False + elif self.skip_externals and not link.startswith(self.base_url): + result = False + elif not referrer.startswith(self.base_url): + result = False + elif rel not in ('homepage', 'download'): + result = False + elif scheme not in ('http', 'https', 'ftp'): + result = False + elif self._is_platform_dependent(link): + result = False + else: + host = netloc.split(':', 1)[0] + if host.lower() == 'localhost': + result = False + else: + result = True + logger.debug('should_queue: %s (%s) from %s -> %s', link, rel, + referrer, result) + return result + + def _fetch(self): + """ + Get a URL to fetch from the work queue, get the HTML page, examine its + links for download candidates and candidates for further scraping. + + This is a handy method to run in a thread. + """ + while True: + url = self._to_fetch.get() + try: + if url: + page = self.get_page(url) + if page is None: # e.g. after an error + continue + for link, rel in page.links: + if link not in self._seen: + self._seen.add(link) + if (not self._process_download(link) and + self._should_queue(link, url, rel)): + logger.debug('Queueing %s from %s', link, url) + self._to_fetch.put(link) + finally: + # always do this, to avoid hangs :-) + self._to_fetch.task_done() + if not url: + #logger.debug('Sentinel seen, quitting.') + break + + def get_page(self, url): + """ + Get the HTML for an URL, possibly from an in-memory cache. + + XXX TODO Note: this cache is never actually cleared. It's assumed that + the data won't get stale over the lifetime of a locator instance (not + necessarily true for the default_locator). + """ + # http://peak.telecommunity.com/DevCenter/EasyInstall#package-index-api + scheme, netloc, path, _, _, _ = urlparse(url) + if scheme == 'file' and os.path.isdir(url2pathname(path)): + url = urljoin(ensure_slash(url), 'index.html') + + if url in self._page_cache: + result = self._page_cache[url] + logger.debug('Returning %s from cache: %s', url, result) + else: + host = netloc.split(':', 1)[0] + result = None + if host in self._bad_hosts: + logger.debug('Skipping %s due to bad host %s', url, host) + else: + req = Request(url, headers={'Accept-encoding': 'identity'}) + try: + logger.debug('Fetching %s', url) + resp = self.opener.open(req, timeout=self.timeout) + logger.debug('Fetched %s', url) + headers = resp.info() + content_type = headers.get('Content-Type', '') + if HTML_CONTENT_TYPE.match(content_type): + final_url = resp.geturl() + data = resp.read() + encoding = headers.get('Content-Encoding') + if encoding: + decoder = self.decoders[encoding] # fail if not found + data = decoder(data) + encoding = 'utf-8' + m = CHARSET.search(content_type) + if m: + encoding = m.group(1) + try: + data = data.decode(encoding) + except UnicodeError: + data = data.decode('latin-1') # fallback + result = Page(data, final_url) + self._page_cache[final_url] = result + except HTTPError as e: + if e.code != 404: + logger.exception('Fetch failed: %s: %s', url, e) + except URLError as e: + logger.exception('Fetch failed: %s: %s', url, e) + with self._lock: + self._bad_hosts.add(host) + except Exception as e: + logger.exception('Fetch failed: %s: %s', url, e) + finally: + self._page_cache[url] = result # even if None (failure) + return result + + _distname_re = re.compile('<a href=[^>]*>([^<]+)<') + + def get_distribution_names(self): + """ + Return all the distribution names known to this locator. + """ + result = set() + page = self.get_page(self.base_url) + if not page: + raise DistlibException('Unable to get %s' % self.base_url) + for match in self._distname_re.finditer(page.data): + result.add(match.group(1)) + return result + +class DirectoryLocator(Locator): + """ + This class locates distributions in a directory tree. + """ + + def __init__(self, path, **kwargs): + """ + Initialise an instance. + :param path: The root of the directory tree to search. + :param kwargs: Passed to the superclass constructor, + except for: + * recursive - if True (the default), subdirectories are + recursed into. If False, only the top-level directory + is searched, + """ + self.recursive = kwargs.pop('recursive', True) + super(DirectoryLocator, self).__init__(**kwargs) + path = os.path.abspath(path) + if not os.path.isdir(path): + raise DistlibException('Not a directory: %r' % path) + self.base_dir = path + + def should_include(self, filename, parent): + """ + Should a filename be considered as a candidate for a distribution + archive? As well as the filename, the directory which contains it + is provided, though not used by the current implementation. + """ + return filename.endswith(self.downloadable_extensions) + + def _get_project(self, name): + result = {} + for root, dirs, files in os.walk(self.base_dir): + for fn in files: + if self.should_include(fn, root): + fn = os.path.join(root, fn) + url = urlunparse(('file', '', + pathname2url(os.path.abspath(fn)), + '', '', '')) + info = self.convert_url_to_download_info(url, name) + if info: + self._update_version_data(result, info) + if not self.recursive: + break + return result + + def get_distribution_names(self): + """ + Return all the distribution names known to this locator. + """ + result = set() + for root, dirs, files in os.walk(self.base_dir): + for fn in files: + if self.should_include(fn, root): + fn = os.path.join(root, fn) + url = urlunparse(('file', '', + pathname2url(os.path.abspath(fn)), + '', '', '')) + info = self.convert_url_to_download_info(url, None) + if info: + result.add(info['name']) + if not self.recursive: + break + return result + +class JSONLocator(Locator): + """ + This locator uses special extended metadata (not available on PyPI) and is + the basis of performant dependency resolution in distlib. Other locators + require archive downloads before dependencies can be determined! As you + might imagine, that can be slow. + """ + def get_distribution_names(self): + """ + Return all the distribution names known to this locator. + """ + raise NotImplementedError('Not available from this locator') + + def _get_project(self, name): + result = {} + data = get_project_data(name) + if data: + for info in data.get('files', []): + if info['ptype'] != 'sdist' or info['pyversion'] != 'source': + continue + # We don't store summary in project metadata as it makes + # the data bigger for no benefit during dependency + # resolution + dist = make_dist(data['name'], info['version'], + summary=data.get('summary', + 'Placeholder for summary'), + scheme=self.scheme) + md = dist.metadata + md.source_url = info['url'] + # TODO SHA256 digest + if 'digest' in info and info['digest']: + dist.digest = ('md5', info['digest']) + md.dependencies = info.get('requirements', {}) + dist.exports = info.get('exports', {}) + result[dist.version] = dist + return result + +class DistPathLocator(Locator): + """ + This locator finds installed distributions in a path. It can be useful for + adding to an :class:`AggregatingLocator`. + """ + def __init__(self, distpath, **kwargs): + """ + Initialise an instance. + + :param distpath: A :class:`DistributionPath` instance to search. + """ + super(DistPathLocator, self).__init__(**kwargs) + assert isinstance(distpath, DistributionPath) + self.distpath = distpath + + def _get_project(self, name): + dist = self.distpath.get_distribution(name) + if dist is None: + result = {} + else: + result = { dist.version: dist } + return result + + +class AggregatingLocator(Locator): + """ + This class allows you to chain and/or merge a list of locators. + """ + def __init__(self, *locators, **kwargs): + """ + Initialise an instance. + + :param locators: The list of locators to search. + :param kwargs: Passed to the superclass constructor, + except for: + * merge - if False (the default), the first successful + search from any of the locators is returned. If True, + the results from all locators are merged (this can be + slow). + """ + self.merge = kwargs.pop('merge', False) + self.locators = locators + super(AggregatingLocator, self).__init__(**kwargs) + + def clear_cache(self): + super(AggregatingLocator, self).clear_cache() + for locator in self.locators: + locator.clear_cache() + + def _set_scheme(self, value): + self._scheme = value + for locator in self.locators: + locator.scheme = value + + scheme = property(Locator.scheme.fget, _set_scheme) + + def _get_project(self, name): + result = {} + for locator in self.locators: + d = locator.get_project(name) + if d: + if self.merge: + result.update(d) + else: + # See issue #18. If any dists are found and we're looking + # for specific constraints, we only return something if + # a match is found. For example, if a DirectoryLocator + # returns just foo (1.0) while we're looking for + # foo (>= 2.0), we'll pretend there was nothing there so + # that subsequent locators can be queried. Otherwise we + # would just return foo (1.0) which would then lead to a + # failure to find foo (>= 2.0), because other locators + # weren't searched. Note that this only matters when + # merge=False. + if self.matcher is None: + found = True + else: + found = False + for k in d: + if self.matcher.match(k): + found = True + break + if found: + result = d + break + return result + + def get_distribution_names(self): + """ + Return all the distribution names known to this locator. + """ + result = set() + for locator in self.locators: + try: + result |= locator.get_distribution_names() + except NotImplementedError: + pass + return result + + +# We use a legacy scheme simply because most of the dists on PyPI use legacy +# versions which don't conform to PEP 426 / PEP 440. +default_locator = AggregatingLocator( + JSONLocator(), + SimpleScrapingLocator('https://pypi.python.org/simple/', + timeout=3.0), + scheme='legacy') + +locate = default_locator.locate + +NAME_VERSION_RE = re.compile(r'(?P<name>[\w-]+)\s*' + r'\(\s*(==\s*)?(?P<ver>[^)]+)\)$') + +class DependencyFinder(object): + """ + Locate dependencies for distributions. + """ + + def __init__(self, locator=None): + """ + Initialise an instance, using the specified locator + to locate distributions. + """ + self.locator = locator or default_locator + self.scheme = get_scheme(self.locator.scheme) + + def add_distribution(self, dist): + """ + Add a distribution to the finder. This will update internal information + about who provides what. + :param dist: The distribution to add. + """ + logger.debug('adding distribution %s', dist) + name = dist.key + self.dists_by_name[name] = dist + self.dists[(name, dist.version)] = dist + for p in dist.provides: + name, version = parse_name_and_version(p) + logger.debug('Add to provided: %s, %s, %s', name, version, dist) + self.provided.setdefault(name, set()).add((version, dist)) + + def remove_distribution(self, dist): + """ + Remove a distribution from the finder. This will update internal + information about who provides what. + :param dist: The distribution to remove. + """ + logger.debug('removing distribution %s', dist) + name = dist.key + del self.dists_by_name[name] + del self.dists[(name, dist.version)] + for p in dist.provides: + name, version = parse_name_and_version(p) + logger.debug('Remove from provided: %s, %s, %s', name, version, dist) + s = self.provided[name] + s.remove((version, dist)) + if not s: + del self.provided[name] + + def get_matcher(self, reqt): + """ + Get a version matcher for a requirement. + :param reqt: The requirement + :type reqt: str + :return: A version matcher (an instance of + :class:`distlib.version.Matcher`). + """ + try: + matcher = self.scheme.matcher(reqt) + except UnsupportedVersionError: + # XXX compat-mode if cannot read the version + name = reqt.split()[0] + matcher = self.scheme.matcher(name) + return matcher + + def find_providers(self, reqt): + """ + Find the distributions which can fulfill a requirement. + + :param reqt: The requirement. + :type reqt: str + :return: A set of distribution which can fulfill the requirement. + """ + matcher = self.get_matcher(reqt) + name = matcher.key # case-insensitive + result = set() + provided = self.provided + if name in provided: + for version, provider in provided[name]: + try: + match = matcher.match(version) + except UnsupportedVersionError: + match = False + + if match: + result.add(provider) + break + return result + + def try_to_replace(self, provider, other, problems): + """ + Attempt to replace one provider with another. This is typically used + when resolving dependencies from multiple sources, e.g. A requires + (B >= 1.0) while C requires (B >= 1.1). + + For successful replacement, ``provider`` must meet all the requirements + which ``other`` fulfills. + + :param provider: The provider we are trying to replace with. + :param other: The provider we're trying to replace. + :param problems: If False is returned, this will contain what + problems prevented replacement. This is currently + a tuple of the literal string 'cantreplace', + ``provider``, ``other`` and the set of requirements + that ``provider`` couldn't fulfill. + :return: True if we can replace ``other`` with ``provider``, else + False. + """ + rlist = self.reqts[other] + unmatched = set() + for s in rlist: + matcher = self.get_matcher(s) + if not matcher.match(provider.version): + unmatched.add(s) + if unmatched: + # can't replace other with provider + problems.add(('cantreplace', provider, other, unmatched)) + result = False + else: + # can replace other with provider + self.remove_distribution(other) + del self.reqts[other] + for s in rlist: + self.reqts.setdefault(provider, set()).add(s) + self.add_distribution(provider) + result = True + return result + + def find(self, requirement, meta_extras=None, prereleases=False): + """ + Find a distribution and all distributions it depends on. + + :param requirement: The requirement specifying the distribution to + find, or a Distribution instance. + :param meta_extras: A list of meta extras such as :test:, :build: and + so on. + :param prereleases: If ``True``, allow pre-release versions to be + returned - otherwise, don't return prereleases + unless they're all that's available. + + Return a set of :class:`Distribution` instances and a set of + problems. + + The distributions returned should be such that they have the + :attr:`required` attribute set to ``True`` if they were + from the ``requirement`` passed to ``find()``, and they have the + :attr:`build_time_dependency` attribute set to ``True`` unless they + are post-installation dependencies of the ``requirement``. + + The problems should be a tuple consisting of the string + ``'unsatisfied'`` and the requirement which couldn't be satisfied + by any distribution known to the locator. + """ + + self.provided = {} + self.dists = {} + self.dists_by_name = {} + self.reqts = {} + + meta_extras = set(meta_extras or []) + if ':*:' in meta_extras: + meta_extras.remove(':*:') + # :meta: and :run: are implicitly included + meta_extras |= set([':test:', ':build:', ':dev:']) + + if isinstance(requirement, Distribution): + dist = odist = requirement + logger.debug('passed %s as requirement', odist) + else: + dist = odist = self.locator.locate(requirement, + prereleases=prereleases) + if dist is None: + raise DistlibException('Unable to locate %r' % requirement) + logger.debug('located %s', odist) + dist.requested = True + problems = set() + todo = set([dist]) + install_dists = set([odist]) + while todo: + dist = todo.pop() + name = dist.key # case-insensitive + if name not in self.dists_by_name: + self.add_distribution(dist) + else: + #import pdb; pdb.set_trace() + other = self.dists_by_name[name] + if other != dist: + self.try_to_replace(dist, other, problems) + + ireqts = dist.run_requires | dist.meta_requires + sreqts = dist.build_requires + ereqts = set() + if dist in install_dists: + for key in ('test', 'build', 'dev'): + e = ':%s:' % key + if e in meta_extras: + ereqts |= getattr(dist, '%s_requires' % key) + all_reqts = ireqts | sreqts | ereqts + for r in all_reqts: + providers = self.find_providers(r) + if not providers: + logger.debug('No providers found for %r', r) + provider = self.locator.locate(r, prereleases=prereleases) + # If no provider is found and we didn't consider + # prereleases, consider them now. + if provider is None and not prereleases: + provider = self.locator.locate(r, prereleases=True) + if provider is None: + logger.debug('Cannot satisfy %r', r) + problems.add(('unsatisfied', r)) + else: + n, v = provider.key, provider.version + if (n, v) not in self.dists: + todo.add(provider) + providers.add(provider) + if r in ireqts and dist in install_dists: + install_dists.add(provider) + logger.debug('Adding %s to install_dists', + provider.name_and_version) + for p in providers: + name = p.key + if name not in self.dists_by_name: + self.reqts.setdefault(p, set()).add(r) + else: + other = self.dists_by_name[name] + if other != p: + # see if other can be replaced by p + self.try_to_replace(p, other, problems) + + dists = set(self.dists.values()) + for dist in dists: + dist.build_time_dependency = dist not in install_dists + if dist.build_time_dependency: + logger.debug('%s is a build-time dependency only.', + dist.name_and_version) + logger.debug('find done for %s', odist) + return dists, problems diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/manifest.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/manifest.py new file mode 100644 index 0000000..c6b98c5 --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/manifest.py @@ -0,0 +1,364 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2012-2013 Python Software Foundation. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +""" +Class representing the list of files in a distribution. + +Equivalent to distutils.filelist, but fixes some problems. +""" +import fnmatch +import logging +import os +import re + +from . import DistlibException +from .compat import fsdecode +from .util import convert_path + + +__all__ = ['Manifest'] + +logger = logging.getLogger(__name__) + +# a \ followed by some spaces + EOL +_COLLAPSE_PATTERN = re.compile('\\\w*\n', re.M) +_COMMENTED_LINE = re.compile('#.*?(?=\n)|\n(?=$)', re.M | re.S) + + +class Manifest(object): + """A list of files built by on exploring the filesystem and filtered by + applying various patterns to what we find there. + """ + + def __init__(self, base=None): + """ + Initialise an instance. + + :param base: The base directory to explore under. + """ + self.base = os.path.abspath(os.path.normpath(base or os.getcwd())) + self.prefix = self.base + os.sep + self.allfiles = None + self.files = set() + + # + # Public API + # + + def findall(self): + """Find all files under the base and set ``allfiles`` to the absolute + pathnames of files found. + """ + from stat import S_ISREG, S_ISDIR, S_ISLNK + + self.allfiles = allfiles = [] + root = self.base + stack = [root] + pop = stack.pop + push = stack.append + + while stack: + root = pop() + names = os.listdir(root) + + for name in names: + fullname = os.path.join(root, name) + + # Avoid excess stat calls -- just one will do, thank you! + stat = os.stat(fullname) + mode = stat.st_mode + if S_ISREG(mode): + allfiles.append(fsdecode(fullname)) + elif S_ISDIR(mode) and not S_ISLNK(mode): + push(fullname) + + def add(self, item): + """ + Add a file to the manifest. + + :param item: The pathname to add. This can be relative to the base. + """ + if not item.startswith(self.prefix): + item = os.path.join(self.base, item) + self.files.add(os.path.normpath(item)) + + def add_many(self, items): + """ + Add a list of files to the manifest. + + :param items: The pathnames to add. These can be relative to the base. + """ + for item in items: + self.add(item) + + def sorted(self, wantdirs=False): + """ + Return sorted files in directory order + """ + + def add_dir(dirs, d): + dirs.add(d) + logger.debug('add_dir added %s', d) + if d != self.base: + parent, _ = os.path.split(d) + assert parent not in ('', '/') + add_dir(dirs, parent) + + result = set(self.files) # make a copy! + if wantdirs: + dirs = set() + for f in result: + add_dir(dirs, os.path.dirname(f)) + result |= dirs + return [os.path.join(*path_tuple) for path_tuple in + sorted(os.path.split(path) for path in result)] + + def clear(self): + """Clear all collected files.""" + self.files = set() + self.allfiles = [] + + def process_directive(self, directive): + """ + Process a directive which either adds some files from ``allfiles`` to + ``files``, or removes some files from ``files``. + + :param directive: The directive to process. This should be in a format + compatible with distutils ``MANIFEST.in`` files: + + http://docs.python.org/distutils/sourcedist.html#commands + """ + # Parse the line: split it up, make sure the right number of words + # is there, and return the relevant words. 'action' is always + # defined: it's the first word of the line. Which of the other + # three are defined depends on the action; it'll be either + # patterns, (dir and patterns), or (dirpattern). + action, patterns, thedir, dirpattern = self._parse_directive(directive) + + # OK, now we know that the action is valid and we have the + # right number of words on the line for that action -- so we + # can proceed with minimal error-checking. + if action == 'include': + for pattern in patterns: + if not self._include_pattern(pattern, anchor=True): + logger.warning('no files found matching %r', pattern) + + elif action == 'exclude': + for pattern in patterns: + if not self._exclude_pattern(pattern, anchor=True): + logger.warning('no previously-included files ' + 'found matching %r', pattern) + + elif action == 'global-include': + for pattern in patterns: + if not self._include_pattern(pattern, anchor=False): + logger.warning('no files found matching %r ' + 'anywhere in distribution', pattern) + + elif action == 'global-exclude': + for pattern in patterns: + if not self._exclude_pattern(pattern, anchor=False): + logger.warning('no previously-included files ' + 'matching %r found anywhere in ' + 'distribution', pattern) + + elif action == 'recursive-include': + for pattern in patterns: + if not self._include_pattern(pattern, prefix=thedir): + logger.warning('no files found matching %r ' + 'under directory %r', pattern, thedir) + + elif action == 'recursive-exclude': + for pattern in patterns: + if not self._exclude_pattern(pattern, prefix=thedir): + logger.warning('no previously-included files ' + 'matching %r found under directory %r', + pattern, thedir) + + elif action == 'graft': + if not self._include_pattern(None, prefix=dirpattern): + logger.warning('no directories found matching %r', + dirpattern) + + elif action == 'prune': + if not self._exclude_pattern(None, prefix=dirpattern): + logger.warning('no previously-included directories found ' + 'matching %r', dirpattern) + else: # pragma: no cover + # This should never happen, as it should be caught in + # _parse_template_line + raise DistlibException( + 'invalid action %r' % action) + + # + # Private API + # + + def _parse_directive(self, directive): + """ + Validate a directive. + :param directive: The directive to validate. + :return: A tuple of action, patterns, thedir, dir_patterns + """ + words = directive.split() + if len(words) == 1 and words[0] not in ('include', 'exclude', + 'global-include', + 'global-exclude', + 'recursive-include', + 'recursive-exclude', + 'graft', 'prune'): + # no action given, let's use the default 'include' + words.insert(0, 'include') + + action = words[0] + patterns = thedir = dir_pattern = None + + if action in ('include', 'exclude', + 'global-include', 'global-exclude'): + if len(words) < 2: + raise DistlibException( + '%r expects <pattern1> <pattern2> ...' % action) + + patterns = [convert_path(word) for word in words[1:]] + + elif action in ('recursive-include', 'recursive-exclude'): + if len(words) < 3: + raise DistlibException( + '%r expects <dir> <pattern1> <pattern2> ...' % action) + + thedir = convert_path(words[1]) + patterns = [convert_path(word) for word in words[2:]] + + elif action in ('graft', 'prune'): + if len(words) != 2: + raise DistlibException( + '%r expects a single <dir_pattern>' % action) + + dir_pattern = convert_path(words[1]) + + else: + raise DistlibException('unknown action %r' % action) + + return action, patterns, thedir, dir_pattern + + def _include_pattern(self, pattern, anchor=True, prefix=None, + is_regex=False): + """Select strings (presumably filenames) from 'self.files' that + match 'pattern', a Unix-style wildcard (glob) pattern. + + Patterns are not quite the same as implemented by the 'fnmatch' + module: '*' and '?' match non-special characters, where "special" + is platform-dependent: slash on Unix; colon, slash, and backslash on + DOS/Windows; and colon on Mac OS. + + If 'anchor' is true (the default), then the pattern match is more + stringent: "*.py" will match "foo.py" but not "foo/bar.py". If + 'anchor' is false, both of these will match. + + If 'prefix' is supplied, then only filenames starting with 'prefix' + (itself a pattern) and ending with 'pattern', with anything in between + them, will match. 'anchor' is ignored in this case. + + If 'is_regex' is true, 'anchor' and 'prefix' are ignored, and + 'pattern' is assumed to be either a string containing a regex or a + regex object -- no translation is done, the regex is just compiled + and used as-is. + + Selected strings will be added to self.files. + + Return True if files are found. + """ + # XXX docstring lying about what the special chars are? + found = False + pattern_re = self._translate_pattern(pattern, anchor, prefix, is_regex) + + # delayed loading of allfiles list + if self.allfiles is None: + self.findall() + + for name in self.allfiles: + if pattern_re.search(name): + self.files.add(name) + found = True + return found + + def _exclude_pattern(self, pattern, anchor=True, prefix=None, + is_regex=False): + """Remove strings (presumably filenames) from 'files' that match + 'pattern'. + + Other parameters are the same as for 'include_pattern()', above. + The list 'self.files' is modified in place. Return True if files are + found. + + This API is public to allow e.g. exclusion of SCM subdirs, e.g. when + packaging source distributions + """ + found = False + pattern_re = self._translate_pattern(pattern, anchor, prefix, is_regex) + for f in list(self.files): + if pattern_re.search(f): + self.files.remove(f) + found = True + return found + + def _translate_pattern(self, pattern, anchor=True, prefix=None, + is_regex=False): + """Translate a shell-like wildcard pattern to a compiled regular + expression. + + Return the compiled regex. If 'is_regex' true, + then 'pattern' is directly compiled to a regex (if it's a string) + or just returned as-is (assumes it's a regex object). + """ + if is_regex: + if isinstance(pattern, str): + return re.compile(pattern) + else: + return pattern + + if pattern: + pattern_re = self._glob_to_re(pattern) + else: + pattern_re = '' + + base = re.escape(os.path.join(self.base, '')) + if prefix is not None: + # ditch end of pattern character + empty_pattern = self._glob_to_re('') + prefix_re = self._glob_to_re(prefix)[:-len(empty_pattern)] + sep = os.sep + if os.sep == '\\': + sep = r'\\' + pattern_re = '^' + base + sep.join((prefix_re, + '.*' + pattern_re)) + else: # no prefix -- respect anchor flag + if anchor: + pattern_re = '^' + base + pattern_re + + return re.compile(pattern_re) + + def _glob_to_re(self, pattern): + """Translate a shell-like glob pattern to a regular expression. + + Return a string containing the regex. Differs from + 'fnmatch.translate()' in that '*' does not match "special characters" + (which are platform-specific). + """ + pattern_re = fnmatch.translate(pattern) + + # '?' and '*' in the glob pattern become '.' and '.*' in the RE, which + # IMHO is wrong -- '?' and '*' aren't supposed to match slash in Unix, + # and by extension they shouldn't match such "special characters" under + # any OS. So change all non-escaped dots in the RE to match any + # character except the special characters (currently: just os.sep). + sep = os.sep + if os.sep == '\\': + # we're using a regex to manipulate a regex, so we need + # to escape the backslash twice + sep = r'\\\\' + escaped = r'\1[^%s]' % sep + pattern_re = re.sub(r'((?<!\\)(\\\\)*)\.', escaped, pattern_re) + return pattern_re diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/markers.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/markers.py new file mode 100644 index 0000000..afb19c6 --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/markers.py @@ -0,0 +1,190 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2012-2013 Vinay Sajip. +# Licensed to the Python Software Foundation under a contributor agreement. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +"""Parser for the environment markers micro-language defined in PEP 345.""" + +import ast +import os +import sys +import platform + +from .compat import python_implementation, string_types +from .util import in_venv + +__all__ = ['interpret'] + + +class Evaluator(object): + """ + A limited evaluator for Python expressions. + """ + + operators = { + 'eq': lambda x, y: x == y, + 'gt': lambda x, y: x > y, + 'gte': lambda x, y: x >= y, + 'in': lambda x, y: x in y, + 'lt': lambda x, y: x < y, + 'lte': lambda x, y: x <= y, + 'not': lambda x: not x, + 'noteq': lambda x, y: x != y, + 'notin': lambda x, y: x not in y, + } + + allowed_values = { + 'sys_platform': sys.platform, + 'python_version': '%s.%s' % sys.version_info[:2], + # parsing sys.platform is not reliable, but there is no other + # way to get e.g. 2.7.2+, and the PEP is defined with sys.version + 'python_full_version': sys.version.split(' ', 1)[0], + 'os_name': os.name, + 'platform_in_venv': str(in_venv()), + 'platform_release': platform.release(), + 'platform_version': platform.version(), + 'platform_machine': platform.machine(), + 'platform_python_implementation': python_implementation(), + } + + def __init__(self, context=None): + """ + Initialise an instance. + + :param context: If specified, names are looked up in this mapping. + """ + self.context = context or {} + self.source = None + + def get_fragment(self, offset): + """ + Get the part of the source which is causing a problem. + """ + fragment_len = 10 + s = '%r' % (self.source[offset:offset + fragment_len]) + if offset + fragment_len < len(self.source): + s += '...' + return s + + def get_handler(self, node_type): + """ + Get a handler for the specified AST node type. + """ + return getattr(self, 'do_%s' % node_type, None) + + def evaluate(self, node, filename=None): + """ + Evaluate a source string or node, using ``filename`` when + displaying errors. + """ + if isinstance(node, string_types): + self.source = node + kwargs = {'mode': 'eval'} + if filename: + kwargs['filename'] = filename + try: + node = ast.parse(node, **kwargs) + except SyntaxError as e: + s = self.get_fragment(e.offset) + raise SyntaxError('syntax error %s' % s) + node_type = node.__class__.__name__.lower() + handler = self.get_handler(node_type) + if handler is None: + if self.source is None: + s = '(source not available)' + else: + s = self.get_fragment(node.col_offset) + raise SyntaxError("don't know how to evaluate %r %s" % ( + node_type, s)) + return handler(node) + + def get_attr_key(self, node): + assert isinstance(node, ast.Attribute), 'attribute node expected' + return '%s.%s' % (node.value.id, node.attr) + + def do_attribute(self, node): + if not isinstance(node.value, ast.Name): + valid = False + else: + key = self.get_attr_key(node) + valid = key in self.context or key in self.allowed_values + if not valid: + raise SyntaxError('invalid expression: %s' % key) + if key in self.context: + result = self.context[key] + else: + result = self.allowed_values[key] + return result + + def do_boolop(self, node): + result = self.evaluate(node.values[0]) + is_or = node.op.__class__ is ast.Or + is_and = node.op.__class__ is ast.And + assert is_or or is_and + if (is_and and result) or (is_or and not result): + for n in node.values[1:]: + result = self.evaluate(n) + if (is_or and result) or (is_and and not result): + break + return result + + def do_compare(self, node): + def sanity_check(lhsnode, rhsnode): + valid = True + if isinstance(lhsnode, ast.Str) and isinstance(rhsnode, ast.Str): + valid = False + #elif (isinstance(lhsnode, ast.Attribute) + # and isinstance(rhsnode, ast.Attribute)): + # klhs = self.get_attr_key(lhsnode) + # krhs = self.get_attr_key(rhsnode) + # valid = klhs != krhs + if not valid: + s = self.get_fragment(node.col_offset) + raise SyntaxError('Invalid comparison: %s' % s) + + lhsnode = node.left + lhs = self.evaluate(lhsnode) + result = True + for op, rhsnode in zip(node.ops, node.comparators): + sanity_check(lhsnode, rhsnode) + op = op.__class__.__name__.lower() + if op not in self.operators: + raise SyntaxError('unsupported operation: %r' % op) + rhs = self.evaluate(rhsnode) + result = self.operators[op](lhs, rhs) + if not result: + break + lhs = rhs + lhsnode = rhsnode + return result + + def do_expression(self, node): + return self.evaluate(node.body) + + def do_name(self, node): + valid = False + if node.id in self.context: + valid = True + result = self.context[node.id] + elif node.id in self.allowed_values: + valid = True + result = self.allowed_values[node.id] + if not valid: + raise SyntaxError('invalid expression: %s' % node.id) + return result + + def do_str(self, node): + return node.s + + +def interpret(marker, execution_context=None): + """ + Interpret a marker and return a result depending on environment. + + :param marker: The marker to interpret. + :type marker: str + :param execution_context: The context used for name lookup. + :type execution_context: mapping + """ + return Evaluator(execution_context).evaluate(marker.strip()) diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/metadata.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/metadata.py new file mode 100644 index 0000000..ef3b1d6 --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/metadata.py @@ -0,0 +1,1015 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2012 The Python Software Foundation. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +"""Implementation of the Metadata for Python packages PEPs. + +Supports all metadata formats (1.0, 1.1, 1.2, and 2.0 experimental). +""" +from __future__ import unicode_literals + +import codecs +from email import message_from_file +import json +import logging +import re + + +from . import DistlibException, __version__ +from .compat import StringIO, string_types, text_type +from .markers import interpret +from .util import extract_by_key, get_extras +from .version import get_scheme, PEP426_VERSION_RE + +logger = logging.getLogger(__name__) + + +class MetadataMissingError(DistlibException): + """A required metadata is missing""" + + +class MetadataConflictError(DistlibException): + """Attempt to read or write metadata fields that are conflictual.""" + + +class MetadataUnrecognizedVersionError(DistlibException): + """Unknown metadata version number.""" + + +class MetadataInvalidError(DistlibException): + """A metadata value is invalid""" + +# public API of this module +__all__ = ['Metadata', 'PKG_INFO_ENCODING', 'PKG_INFO_PREFERRED_VERSION'] + +# Encoding used for the PKG-INFO files +PKG_INFO_ENCODING = 'utf-8' + +# preferred version. Hopefully will be changed +# to 1.2 once PEP 345 is supported everywhere +PKG_INFO_PREFERRED_VERSION = '1.1' + +_LINE_PREFIX = re.compile('\n \|') +_241_FIELDS = ('Metadata-Version', 'Name', 'Version', 'Platform', + 'Summary', 'Description', + 'Keywords', 'Home-page', 'Author', 'Author-email', + 'License') + +_314_FIELDS = ('Metadata-Version', 'Name', 'Version', 'Platform', + 'Supported-Platform', 'Summary', 'Description', + 'Keywords', 'Home-page', 'Author', 'Author-email', + 'License', 'Classifier', 'Download-URL', 'Obsoletes', + 'Provides', 'Requires') + +_314_MARKERS = ('Obsoletes', 'Provides', 'Requires', 'Classifier', + 'Download-URL') + +_345_FIELDS = ('Metadata-Version', 'Name', 'Version', 'Platform', + 'Supported-Platform', 'Summary', 'Description', + 'Keywords', 'Home-page', 'Author', 'Author-email', + 'Maintainer', 'Maintainer-email', 'License', + 'Classifier', 'Download-URL', 'Obsoletes-Dist', + 'Project-URL', 'Provides-Dist', 'Requires-Dist', + 'Requires-Python', 'Requires-External') + +_345_MARKERS = ('Provides-Dist', 'Requires-Dist', 'Requires-Python', + 'Obsoletes-Dist', 'Requires-External', 'Maintainer', + 'Maintainer-email', 'Project-URL') + +_426_FIELDS = ('Metadata-Version', 'Name', 'Version', 'Platform', + 'Supported-Platform', 'Summary', 'Description', + 'Keywords', 'Home-page', 'Author', 'Author-email', + 'Maintainer', 'Maintainer-email', 'License', + 'Classifier', 'Download-URL', 'Obsoletes-Dist', + 'Project-URL', 'Provides-Dist', 'Requires-Dist', + 'Requires-Python', 'Requires-External', 'Private-Version', + 'Obsoleted-By', 'Setup-Requires-Dist', 'Extension', + 'Provides-Extra') + +_426_MARKERS = ('Private-Version', 'Provides-Extra', 'Obsoleted-By', + 'Setup-Requires-Dist', 'Extension') + +_ALL_FIELDS = set() +_ALL_FIELDS.update(_241_FIELDS) +_ALL_FIELDS.update(_314_FIELDS) +_ALL_FIELDS.update(_345_FIELDS) +_ALL_FIELDS.update(_426_FIELDS) + +EXTRA_RE = re.compile(r'''extra\s*==\s*("([^"]+)"|'([^']+)')''') + + +def _version2fieldlist(version): + if version == '1.0': + return _241_FIELDS + elif version == '1.1': + return _314_FIELDS + elif version == '1.2': + return _345_FIELDS + elif version == '2.0': + return _426_FIELDS + raise MetadataUnrecognizedVersionError(version) + + +def _best_version(fields): + """Detect the best version depending on the fields used.""" + def _has_marker(keys, markers): + for marker in markers: + if marker in keys: + return True + return False + + keys = [] + for key, value in fields.items(): + if value in ([], 'UNKNOWN', None): + continue + keys.append(key) + + possible_versions = ['1.0', '1.1', '1.2', '2.0'] + + # first let's try to see if a field is not part of one of the version + for key in keys: + if key not in _241_FIELDS and '1.0' in possible_versions: + possible_versions.remove('1.0') + if key not in _314_FIELDS and '1.1' in possible_versions: + possible_versions.remove('1.1') + if key not in _345_FIELDS and '1.2' in possible_versions: + possible_versions.remove('1.2') + if key not in _426_FIELDS and '2.0' in possible_versions: + possible_versions.remove('2.0') + + # possible_version contains qualified versions + if len(possible_versions) == 1: + return possible_versions[0] # found ! + elif len(possible_versions) == 0: + raise MetadataConflictError('Unknown metadata set') + + # let's see if one unique marker is found + is_1_1 = '1.1' in possible_versions and _has_marker(keys, _314_MARKERS) + is_1_2 = '1.2' in possible_versions and _has_marker(keys, _345_MARKERS) + is_2_0 = '2.0' in possible_versions and _has_marker(keys, _426_MARKERS) + if int(is_1_1) + int(is_1_2) + int(is_2_0) > 1: + raise MetadataConflictError('You used incompatible 1.1/1.2/2.0 fields') + + # we have the choice, 1.0, or 1.2, or 2.0 + # - 1.0 has a broken Summary field but works with all tools + # - 1.1 is to avoid + # - 1.2 fixes Summary but has little adoption + # - 2.0 adds more features and is very new + if not is_1_1 and not is_1_2 and not is_2_0: + # we couldn't find any specific marker + if PKG_INFO_PREFERRED_VERSION in possible_versions: + return PKG_INFO_PREFERRED_VERSION + if is_1_1: + return '1.1' + if is_1_2: + return '1.2' + + return '2.0' + +_ATTR2FIELD = { + 'metadata_version': 'Metadata-Version', + 'name': 'Name', + 'version': 'Version', + 'platform': 'Platform', + 'supported_platform': 'Supported-Platform', + 'summary': 'Summary', + 'description': 'Description', + 'keywords': 'Keywords', + 'home_page': 'Home-page', + 'author': 'Author', + 'author_email': 'Author-email', + 'maintainer': 'Maintainer', + 'maintainer_email': 'Maintainer-email', + 'license': 'License', + 'classifier': 'Classifier', + 'download_url': 'Download-URL', + 'obsoletes_dist': 'Obsoletes-Dist', + 'provides_dist': 'Provides-Dist', + 'requires_dist': 'Requires-Dist', + 'setup_requires_dist': 'Setup-Requires-Dist', + 'requires_python': 'Requires-Python', + 'requires_external': 'Requires-External', + 'requires': 'Requires', + 'provides': 'Provides', + 'obsoletes': 'Obsoletes', + 'project_url': 'Project-URL', + 'private_version': 'Private-Version', + 'obsoleted_by': 'Obsoleted-By', + 'extension': 'Extension', + 'provides_extra': 'Provides-Extra', +} + +_PREDICATE_FIELDS = ('Requires-Dist', 'Obsoletes-Dist', 'Provides-Dist') +_VERSIONS_FIELDS = ('Requires-Python',) +_VERSION_FIELDS = ('Version',) +_LISTFIELDS = ('Platform', 'Classifier', 'Obsoletes', + 'Requires', 'Provides', 'Obsoletes-Dist', + 'Provides-Dist', 'Requires-Dist', 'Requires-External', + 'Project-URL', 'Supported-Platform', 'Setup-Requires-Dist', + 'Provides-Extra', 'Extension') +_LISTTUPLEFIELDS = ('Project-URL',) + +_ELEMENTSFIELD = ('Keywords',) + +_UNICODEFIELDS = ('Author', 'Maintainer', 'Summary', 'Description') + +_MISSING = object() + +_FILESAFE = re.compile('[^A-Za-z0-9.]+') + + +def _get_name_and_version(name, version, for_filename=False): + """Return the distribution name with version. + + If for_filename is true, return a filename-escaped form.""" + if for_filename: + # For both name and version any runs of non-alphanumeric or '.' + # characters are replaced with a single '-'. Additionally any + # spaces in the version string become '.' + name = _FILESAFE.sub('-', name) + version = _FILESAFE.sub('-', version.replace(' ', '.')) + return '%s-%s' % (name, version) + + +class LegacyMetadata(object): + """The legacy metadata of a release. + + Supports versions 1.0, 1.1 and 1.2 (auto-detected). You can + instantiate the class with one of these arguments (or none): + - *path*, the path to a metadata file + - *fileobj* give a file-like object with metadata as content + - *mapping* is a dict-like object + - *scheme* is a version scheme name + """ + # TODO document the mapping API and UNKNOWN default key + + def __init__(self, path=None, fileobj=None, mapping=None, + scheme='default'): + if [path, fileobj, mapping].count(None) < 2: + raise TypeError('path, fileobj and mapping are exclusive') + self._fields = {} + self.requires_files = [] + self._dependencies = None + self.scheme = scheme + if path is not None: + self.read(path) + elif fileobj is not None: + self.read_file(fileobj) + elif mapping is not None: + self.update(mapping) + self.set_metadata_version() + + def set_metadata_version(self): + self._fields['Metadata-Version'] = _best_version(self._fields) + + def _write_field(self, fileobj, name, value): + fileobj.write('%s: %s\n' % (name, value)) + + def __getitem__(self, name): + return self.get(name) + + def __setitem__(self, name, value): + return self.set(name, value) + + def __delitem__(self, name): + field_name = self._convert_name(name) + try: + del self._fields[field_name] + except KeyError: + raise KeyError(name) + + def __contains__(self, name): + return (name in self._fields or + self._convert_name(name) in self._fields) + + def _convert_name(self, name): + if name in _ALL_FIELDS: + return name + name = name.replace('-', '_').lower() + return _ATTR2FIELD.get(name, name) + + def _default_value(self, name): + if name in _LISTFIELDS or name in _ELEMENTSFIELD: + return [] + return 'UNKNOWN' + + def _remove_line_prefix(self, value): + return _LINE_PREFIX.sub('\n', value) + + def __getattr__(self, name): + if name in _ATTR2FIELD: + return self[name] + raise AttributeError(name) + + # + # Public API + # + +# dependencies = property(_get_dependencies, _set_dependencies) + + def get_fullname(self, filesafe=False): + """Return the distribution name with version. + + If filesafe is true, return a filename-escaped form.""" + return _get_name_and_version(self['Name'], self['Version'], filesafe) + + def is_field(self, name): + """return True if name is a valid metadata key""" + name = self._convert_name(name) + return name in _ALL_FIELDS + + def is_multi_field(self, name): + name = self._convert_name(name) + return name in _LISTFIELDS + + def read(self, filepath): + """Read the metadata values from a file path.""" + fp = codecs.open(filepath, 'r', encoding='utf-8') + try: + self.read_file(fp) + finally: + fp.close() + + def read_file(self, fileob): + """Read the metadata values from a file object.""" + msg = message_from_file(fileob) + self._fields['Metadata-Version'] = msg['metadata-version'] + + # When reading, get all the fields we can + for field in _ALL_FIELDS: + if field not in msg: + continue + if field in _LISTFIELDS: + # we can have multiple lines + values = msg.get_all(field) + if field in _LISTTUPLEFIELDS and values is not None: + values = [tuple(value.split(',')) for value in values] + self.set(field, values) + else: + # single line + value = msg[field] + if value is not None and value != 'UNKNOWN': + self.set(field, value) + self.set_metadata_version() + + def write(self, filepath, skip_unknown=False): + """Write the metadata fields to filepath.""" + fp = codecs.open(filepath, 'w', encoding='utf-8') + try: + self.write_file(fp, skip_unknown) + finally: + fp.close() + + def write_file(self, fileobject, skip_unknown=False): + """Write the PKG-INFO format data to a file object.""" + self.set_metadata_version() + + for field in _version2fieldlist(self['Metadata-Version']): + values = self.get(field) + if skip_unknown and values in ('UNKNOWN', [], ['UNKNOWN']): + continue + if field in _ELEMENTSFIELD: + self._write_field(fileobject, field, ','.join(values)) + continue + if field not in _LISTFIELDS: + if field == 'Description': + values = values.replace('\n', '\n |') + values = [values] + + if field in _LISTTUPLEFIELDS: + values = [','.join(value) for value in values] + + for value in values: + self._write_field(fileobject, field, value) + + def update(self, other=None, **kwargs): + """Set metadata values from the given iterable `other` and kwargs. + + Behavior is like `dict.update`: If `other` has a ``keys`` method, + they are looped over and ``self[key]`` is assigned ``other[key]``. + Else, ``other`` is an iterable of ``(key, value)`` iterables. + + Keys that don't match a metadata field or that have an empty value are + dropped. + """ + def _set(key, value): + if key in _ATTR2FIELD and value: + self.set(self._convert_name(key), value) + + if not other: + # other is None or empty container + pass + elif hasattr(other, 'keys'): + for k in other.keys(): + _set(k, other[k]) + else: + for k, v in other: + _set(k, v) + + if kwargs: + for k, v in kwargs.items(): + _set(k, v) + + def set(self, name, value): + """Control then set a metadata field.""" + name = self._convert_name(name) + + if ((name in _ELEMENTSFIELD or name == 'Platform') and + not isinstance(value, (list, tuple))): + if isinstance(value, string_types): + value = [v.strip() for v in value.split(',')] + else: + value = [] + elif (name in _LISTFIELDS and + not isinstance(value, (list, tuple))): + if isinstance(value, string_types): + value = [value] + else: + value = [] + + if logger.isEnabledFor(logging.WARNING): + project_name = self['Name'] + + scheme = get_scheme(self.scheme) + if name in _PREDICATE_FIELDS and value is not None: + for v in value: + # check that the values are valid + if not scheme.is_valid_matcher(v.split(';')[0]): + logger.warning( + '%r: %r is not valid (field %r)', + project_name, v, name) + # FIXME this rejects UNKNOWN, is that right? + elif name in _VERSIONS_FIELDS and value is not None: + if not scheme.is_valid_constraint_list(value): + logger.warning('%r: %r is not a valid version (field %r)', + project_name, value, name) + elif name in _VERSION_FIELDS and value is not None: + if not scheme.is_valid_version(value): + logger.warning('%r: %r is not a valid version (field %r)', + project_name, value, name) + + if name in _UNICODEFIELDS: + if name == 'Description': + value = self._remove_line_prefix(value) + + self._fields[name] = value + + def get(self, name, default=_MISSING): + """Get a metadata field.""" + name = self._convert_name(name) + if name not in self._fields: + if default is _MISSING: + default = self._default_value(name) + return default + if name in _UNICODEFIELDS: + value = self._fields[name] + return value + elif name in _LISTFIELDS: + value = self._fields[name] + if value is None: + return [] + res = [] + for val in value: + if name not in _LISTTUPLEFIELDS: + res.append(val) + else: + # That's for Project-URL + res.append((val[0], val[1])) + return res + + elif name in _ELEMENTSFIELD: + value = self._fields[name] + if isinstance(value, string_types): + return value.split(',') + return self._fields[name] + + def check(self, strict=False): + """Check if the metadata is compliant. If strict is True then raise if + no Name or Version are provided""" + self.set_metadata_version() + + # XXX should check the versions (if the file was loaded) + missing, warnings = [], [] + + for attr in ('Name', 'Version'): # required by PEP 345 + if attr not in self: + missing.append(attr) + + if strict and missing != []: + msg = 'missing required metadata: %s' % ', '.join(missing) + raise MetadataMissingError(msg) + + for attr in ('Home-page', 'Author'): + if attr not in self: + missing.append(attr) + + # checking metadata 1.2 (XXX needs to check 1.1, 1.0) + if self['Metadata-Version'] != '1.2': + return missing, warnings + + scheme = get_scheme(self.scheme) + + def are_valid_constraints(value): + for v in value: + if not scheme.is_valid_matcher(v.split(';')[0]): + return False + return True + + for fields, controller in ((_PREDICATE_FIELDS, are_valid_constraints), + (_VERSIONS_FIELDS, + scheme.is_valid_constraint_list), + (_VERSION_FIELDS, + scheme.is_valid_version)): + for field in fields: + value = self.get(field, None) + if value is not None and not controller(value): + warnings.append('Wrong value for %r: %s' % (field, value)) + + return missing, warnings + + def todict(self, skip_missing=False): + """Return fields as a dict. + + Field names will be converted to use the underscore-lowercase style + instead of hyphen-mixed case (i.e. home_page instead of Home-page). + """ + self.set_metadata_version() + + mapping_1_0 = ( + ('metadata_version', 'Metadata-Version'), + ('name', 'Name'), + ('version', 'Version'), + ('summary', 'Summary'), + ('home_page', 'Home-page'), + ('author', 'Author'), + ('author_email', 'Author-email'), + ('license', 'License'), + ('description', 'Description'), + ('keywords', 'Keywords'), + ('platform', 'Platform'), + ('classifier', 'Classifier'), + ('download_url', 'Download-URL'), + ) + + data = {} + for key, field_name in mapping_1_0: + if not skip_missing or field_name in self._fields: + data[key] = self[field_name] + + if self['Metadata-Version'] == '1.2': + mapping_1_2 = ( + ('requires_dist', 'Requires-Dist'), + ('requires_python', 'Requires-Python'), + ('requires_external', 'Requires-External'), + ('provides_dist', 'Provides-Dist'), + ('obsoletes_dist', 'Obsoletes-Dist'), + ('project_url', 'Project-URL'), + ('maintainer', 'Maintainer'), + ('maintainer_email', 'Maintainer-email'), + ) + for key, field_name in mapping_1_2: + if not skip_missing or field_name in self._fields: + if key != 'project_url': + data[key] = self[field_name] + else: + data[key] = [','.join(u) for u in self[field_name]] + + elif self['Metadata-Version'] == '1.1': + mapping_1_1 = ( + ('provides', 'Provides'), + ('requires', 'Requires'), + ('obsoletes', 'Obsoletes'), + ) + for key, field_name in mapping_1_1: + if not skip_missing or field_name in self._fields: + data[key] = self[field_name] + + return data + + def add_requirements(self, requirements): + if self['Metadata-Version'] == '1.1': + # we can't have 1.1 metadata *and* Setuptools requires + for field in ('Obsoletes', 'Requires', 'Provides'): + if field in self: + del self[field] + self['Requires-Dist'] += requirements + + # Mapping API + # TODO could add iter* variants + + def keys(self): + return list(_version2fieldlist(self['Metadata-Version'])) + + def __iter__(self): + for key in self.keys(): + yield key + + def values(self): + return [self[key] for key in self.keys()] + + def items(self): + return [(key, self[key]) for key in self.keys()] + + def __repr__(self): + return '<%s %s %s>' % (self.__class__.__name__, self.name, + self.version) + + +METADATA_FILENAME = 'pydist.json' + + +class Metadata(object): + """ + The metadata of a release. This implementation uses 2.0 (JSON) + metadata where possible. If not possible, it wraps a LegacyMetadata + instance which handles the key-value metadata format. + """ + + METADATA_VERSION_MATCHER = re.compile('^\d+(\.\d+)*$') + + NAME_MATCHER = re.compile('^[0-9A-Z]([0-9A-Z_.-]*[0-9A-Z])?$', re.I) + + VERSION_MATCHER = PEP426_VERSION_RE + + SUMMARY_MATCHER = re.compile('.{1,2047}') + + METADATA_VERSION = '2.0' + + GENERATOR = 'distlib (%s)' % __version__ + + MANDATORY_KEYS = { + 'name': (), + 'version': (), + 'summary': ('legacy',), + } + + INDEX_KEYS = ('name version license summary description author ' + 'author_email keywords platform home_page classifiers ' + 'download_url') + + DEPENDENCY_KEYS = ('extras run_requires test_requires build_requires ' + 'dev_requires provides meta_requires obsoleted_by ' + 'supports_environments') + + SYNTAX_VALIDATORS = { + 'metadata_version': (METADATA_VERSION_MATCHER, ()), + 'name': (NAME_MATCHER, ('legacy',)), + 'version': (VERSION_MATCHER, ('legacy',)), + 'summary': (SUMMARY_MATCHER, ('legacy',)), + } + + __slots__ = ('_legacy', '_data', 'scheme') + + def __init__(self, path=None, fileobj=None, mapping=None, + scheme='default'): + if [path, fileobj, mapping].count(None) < 2: + raise TypeError('path, fileobj and mapping are exclusive') + self._legacy = None + self._data = None + self.scheme = scheme + #import pdb; pdb.set_trace() + if mapping is not None: + try: + self._validate_mapping(mapping, scheme) + self._data = mapping + except MetadataUnrecognizedVersionError: + self._legacy = LegacyMetadata(mapping=mapping, scheme=scheme) + self.validate() + else: + data = None + if path: + with open(path, 'rb') as f: + data = f.read() + elif fileobj: + data = fileobj.read() + if data is None: + # Initialised with no args - to be added + self._data = { + 'metadata_version': self.METADATA_VERSION, + 'generator': self.GENERATOR, + } + else: + if not isinstance(data, text_type): + data = data.decode('utf-8') + try: + self._data = json.loads(data) + self._validate_mapping(self._data, scheme) + except ValueError: + # Note: MetadataUnrecognizedVersionError does not + # inherit from ValueError (it's a DistlibException, + # which should not inherit from ValueError). + # The ValueError comes from the json.load - if that + # succeeds and we get a validation error, we want + # that to propagate + self._legacy = LegacyMetadata(fileobj=StringIO(data), + scheme=scheme) + self.validate() + + common_keys = set(('name', 'version', 'license', 'keywords', 'summary')) + + none_list = (None, list) + none_dict = (None, dict) + + mapped_keys = { + 'run_requires': ('Requires-Dist', list), + 'build_requires': ('Setup-Requires-Dist', list), + 'dev_requires': none_list, + 'test_requires': none_list, + 'meta_requires': none_list, + 'extras': ('Provides-Extra', list), + 'modules': none_list, + 'namespaces': none_list, + 'exports': none_dict, + 'commands': none_dict, + 'classifiers': ('Classifier', list), + 'source_url': ('Download-URL', None), + 'metadata_version': ('Metadata-Version', None), + } + + del none_list, none_dict + + def __getattribute__(self, key): + common = object.__getattribute__(self, 'common_keys') + mapped = object.__getattribute__(self, 'mapped_keys') + if key in mapped: + lk, maker = mapped[key] + if self._legacy: + if lk is None: + result = None if maker is None else maker() + else: + result = self._legacy.get(lk) + else: + value = None if maker is None else maker() + result = self._data.get(key, value) + elif key not in common: + result = object.__getattribute__(self, key) + elif self._legacy: + result = self._legacy.get(key) + else: + result = self._data.get(key) + return result + + def _validate_value(self, key, value, scheme=None): + if key in self.SYNTAX_VALIDATORS: + pattern, exclusions = self.SYNTAX_VALIDATORS[key] + if (scheme or self.scheme) not in exclusions: + m = pattern.match(value) + if not m: + raise MetadataInvalidError('%r is an invalid value for ' + 'the %r property' % (value, + key)) + + def __setattr__(self, key, value): + self._validate_value(key, value) + common = object.__getattribute__(self, 'common_keys') + mapped = object.__getattribute__(self, 'mapped_keys') + if key in mapped: + lk, _ = mapped[key] + if self._legacy: + if lk is None: + raise NotImplementedError + self._legacy[lk] = value + else: + self._data[key] = value + elif key not in common: + object.__setattr__(self, key, value) + else: + if key == 'keywords': + if isinstance(value, string_types): + value = value.strip() + if value: + value = value.split() + else: + value = [] + if self._legacy: + self._legacy[key] = value + else: + self._data[key] = value + + @property + def name_and_version(self): + return _get_name_and_version(self.name, self.version, True) + + @property + def provides(self): + if self._legacy: + result = self._legacy['Provides-Dist'] + else: + result = self._data.setdefault('provides', []) + s = '%s (%s)' % (self.name, self.version) + if s not in result: + result.append(s) + return result + + @provides.setter + def provides(self, value): + if self._legacy: + self._legacy['Provides-Dist'] = value + else: + self._data['provides'] = value + + def get_requirements(self, reqts, extras=None, env=None): + """ + Base method to get dependencies, given a set of extras + to satisfy and an optional environment context. + :param reqts: A list of sometimes-wanted dependencies, + perhaps dependent on extras and environment. + :param extras: A list of optional components being requested. + :param env: An optional environment for marker evaluation. + """ + if self._legacy: + result = reqts + else: + result = [] + extras = get_extras(extras or [], self.extras) + for d in reqts: + if 'extra' not in d and 'environment' not in d: + # unconditional + include = True + else: + if 'extra' not in d: + # Not extra-dependent - only environment-dependent + include = True + else: + include = d.get('extra') in extras + if include: + # Not excluded because of extras, check environment + marker = d.get('environment') + if marker: + include = interpret(marker, env) + if include: + result.extend(d['requires']) + for key in ('build', 'dev', 'test'): + e = ':%s:' % key + if e in extras: + extras.remove(e) + # A recursive call, but it should terminate since 'test' + # has been removed from the extras + reqts = self._data.get('%s_requires' % key, []) + result.extend(self.get_requirements(reqts, extras=extras, + env=env)) + return result + + @property + def dictionary(self): + if self._legacy: + return self._from_legacy() + return self._data + + @property + def dependencies(self): + if self._legacy: + raise NotImplementedError + else: + return extract_by_key(self._data, self.DEPENDENCY_KEYS) + + @dependencies.setter + def dependencies(self, value): + if self._legacy: + raise NotImplementedError + else: + self._data.update(value) + + def _validate_mapping(self, mapping, scheme): + if mapping.get('metadata_version') != self.METADATA_VERSION: + raise MetadataUnrecognizedVersionError() + missing = [] + for key, exclusions in self.MANDATORY_KEYS.items(): + if key not in mapping: + if scheme not in exclusions: + missing.append(key) + if missing: + msg = 'Missing metadata items: %s' % ', '.join(missing) + raise MetadataMissingError(msg) + for k, v in mapping.items(): + self._validate_value(k, v, scheme) + + def validate(self): + if self._legacy: + missing, warnings = self._legacy.check(True) + if missing or warnings: + logger.warning('Metadata: missing: %s, warnings: %s', + missing, warnings) + else: + self._validate_mapping(self._data, self.scheme) + + def todict(self): + if self._legacy: + return self._legacy.todict(True) + else: + result = extract_by_key(self._data, self.INDEX_KEYS) + return result + + def _from_legacy(self): + assert self._legacy and not self._data + result = { + 'metadata_version': self.METADATA_VERSION, + 'generator': self.GENERATOR, + } + lmd = self._legacy.todict(True) # skip missing ones + for k in ('name', 'version', 'license', 'summary', 'description', + 'classifier'): + if k in lmd: + if k == 'classifier': + nk = 'classifiers' + else: + nk = k + result[nk] = lmd[k] + kw = lmd.get('Keywords', []) + if kw == ['']: + kw = [] + result['keywords'] = kw + keys = (('requires_dist', 'run_requires'), + ('setup_requires_dist', 'build_requires')) + for ok, nk in keys: + if ok in lmd and lmd[ok]: + result[nk] = [{'requires': lmd[ok]}] + result['provides'] = self.provides + author = {} + maintainer = {} + return result + + LEGACY_MAPPING = { + 'name': 'Name', + 'version': 'Version', + 'license': 'License', + 'summary': 'Summary', + 'description': 'Description', + 'classifiers': 'Classifier', + } + + def _to_legacy(self): + def process_entries(entries): + reqts = set() + for e in entries: + extra = e.get('extra') + env = e.get('environment') + rlist = e['requires'] + for r in rlist: + if not env and not extra: + reqts.add(r) + else: + marker = '' + if extra: + marker = 'extra == "%s"' % extra + if env: + if marker: + marker = '(%s) and %s' % (env, marker) + else: + marker = env + reqts.add(';'.join((r, marker))) + return reqts + + assert self._data and not self._legacy + result = LegacyMetadata() + nmd = self._data + for nk, ok in self.LEGACY_MAPPING.items(): + if nk in nmd: + result[ok] = nmd[nk] + r1 = process_entries(self.run_requires + self.meta_requires) + r2 = process_entries(self.build_requires + self.dev_requires) + if self.extras: + result['Provides-Extra'] = sorted(self.extras) + result['Requires-Dist'] = sorted(r1) + result['Setup-Requires-Dist'] = sorted(r2) + # TODO: other fields such as contacts + return result + + def write(self, path=None, fileobj=None, legacy=False, skip_unknown=True): + if [path, fileobj].count(None) != 1: + raise ValueError('Exactly one of path and fileobj is needed') + self.validate() + if legacy: + if self._legacy: + legacy_md = self._legacy + else: + legacy_md = self._to_legacy() + if path: + legacy_md.write(path, skip_unknown=skip_unknown) + else: + legacy_md.write_file(fileobj, skip_unknown=skip_unknown) + else: + if self._legacy: + d = self._from_legacy() + else: + d = self._data + if fileobj: + json.dump(d, fileobj, ensure_ascii=True, indent=2, + sort_keys=True) + else: + with codecs.open(path, 'w', 'utf-8') as f: + json.dump(d, f, ensure_ascii=True, indent=2, + sort_keys=True) + + def add_requirements(self, requirements): + if self._legacy: + self._legacy.add_requirements(requirements) + else: + self._data.setdefault('run_requires', []).extend(requirements) + + def __repr__(self): + name = self.name or '(no name)' + version = self.version or 'no version' + return '<%s %s %s (%s)>' % (self.__class__.__name__, + self.metadata_version, name, version) diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/resources.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/resources.py new file mode 100644 index 0000000..7c26737 --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/resources.py @@ -0,0 +1,351 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2013 Vinay Sajip. +# Licensed to the Python Software Foundation under a contributor agreement. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +from __future__ import unicode_literals + +import bisect +import io +import logging +import os +import pkgutil +import shutil +import sys +import types +import zipimport + +from . import DistlibException +from .util import cached_property, get_cache_base, path_to_cache_dir + +logger = logging.getLogger(__name__) + + +class Cache(object): + """ + A class implementing a cache for resources that need to live in the file system + e.g. shared libraries. + """ + + def __init__(self, base=None): + """ + Initialise an instance. + + :param base: The base directory where the cache should be located. If + not specified, this will be the ``resource-cache`` + directory under whatever :func:`get_cache_base` returns. + """ + if base is None: + # Use native string to avoid issues on 2.x: see Python #20140. + base = os.path.join(get_cache_base(), str('resource-cache')) + # we use 'isdir' instead of 'exists', because we want to + # fail if there's a file with that name + if not os.path.isdir(base): + os.makedirs(base) + self.base = os.path.abspath(os.path.normpath(base)) + + def prefix_to_dir(self, prefix): + """ + Converts a resource prefix to a directory name in the cache. + """ + return path_to_cache_dir(prefix) + + def is_stale(self, resource, path): + """ + Is the cache stale for the given resource? + + :param resource: The :class:`Resource` being cached. + :param path: The path of the resource in the cache. + :return: True if the cache is stale. + """ + # Cache invalidation is a hard problem :-) + return True + + def get(self, resource): + """ + Get a resource into the cache, + + :param resource: A :class:`Resource` instance. + :return: The pathname of the resource in the cache. + """ + prefix, path = resource.finder.get_cache_info(resource) + if prefix is None: + result = path + else: + result = os.path.join(self.base, self.prefix_to_dir(prefix), path) + dirname = os.path.dirname(result) + if not os.path.isdir(dirname): + os.makedirs(dirname) + if not os.path.exists(result): + stale = True + else: + stale = self.is_stale(resource, path) + if stale: + # write the bytes of the resource to the cache location + with open(result, 'wb') as f: + f.write(resource.bytes) + return result + + def clear(self): + """ + Clear the cache. + """ + not_removed = [] + for fn in os.listdir(self.base): + fn = os.path.join(self.base, fn) + try: + if os.path.islink(fn) or os.path.isfile(fn): + os.remove(fn) + elif os.path.isdir(fn): + shutil.rmtree(fn) + except Exception: + not_removed.append(fn) + return not_removed + +cache = Cache() + + +class ResourceBase(object): + def __init__(self, finder, name): + self.finder = finder + self.name = name + + +class Resource(ResourceBase): + """ + A class representing an in-package resource, such as a data file. This is + not normally instantiated by user code, but rather by a + :class:`ResourceFinder` which manages the resource. + """ + is_container = False # Backwards compatibility + + def as_stream(self): + """ + Get the resource as a stream. + + This is not a property to make it obvious that it returns a new stream + each time. + """ + return self.finder.get_stream(self) + + @cached_property + def file_path(self): + return cache.get(self) + + @cached_property + def bytes(self): + return self.finder.get_bytes(self) + + @cached_property + def size(self): + return self.finder.get_size(self) + + +class ResourceContainer(ResourceBase): + is_container = True # Backwards compatibility + + @cached_property + def resources(self): + return self.finder.get_resources(self) + + +class ResourceFinder(object): + """ + Resource finder for file system resources. + """ + def __init__(self, module): + self.module = module + self.loader = getattr(module, '__loader__', None) + self.base = os.path.dirname(getattr(module, '__file__', '')) + + def _adjust_path(self, path): + return os.path.realpath(path) + + def _make_path(self, resource_name): + parts = resource_name.split('/') + parts.insert(0, self.base) + result = os.path.join(*parts) + return self._adjust_path(result) + + def _find(self, path): + return os.path.exists(path) + + def get_cache_info(self, resource): + return None, resource.path + + def find(self, resource_name): + path = self._make_path(resource_name) + if not self._find(path): + result = None + else: + if self._is_directory(path): + result = ResourceContainer(self, resource_name) + else: + result = Resource(self, resource_name) + result.path = path + return result + + def get_stream(self, resource): + return open(resource.path, 'rb') + + def get_bytes(self, resource): + with open(resource.path, 'rb') as f: + return f.read() + + def get_size(self, resource): + return os.path.getsize(resource.path) + + def get_resources(self, resource): + def allowed(f): + return f != '__pycache__' and not f.endswith(('.pyc', '.pyo')) + return set([f for f in os.listdir(resource.path) if allowed(f)]) + + def is_container(self, resource): + return self._is_directory(resource.path) + + _is_directory = staticmethod(os.path.isdir) + + +class ZipResourceFinder(ResourceFinder): + """ + Resource finder for resources in .zip files. + """ + def __init__(self, module): + super(ZipResourceFinder, self).__init__(module) + archive = self.loader.archive + self.prefix_len = 1 + len(archive) + # PyPy doesn't have a _files attr on zipimporter, and you can't set one + if hasattr(self.loader, '_files'): + self._files = self.loader._files + else: + self._files = zipimport._zip_directory_cache[archive] + self.index = sorted(self._files) + + def _adjust_path(self, path): + return path + + def _find(self, path): + path = path[self.prefix_len:] + if path in self._files: + result = True + else: + if path and path[-1] != os.sep: + path = path + os.sep + i = bisect.bisect(self.index, path) + try: + result = self.index[i].startswith(path) + except IndexError: + result = False + if not result: + logger.debug('_find failed: %r %r', path, self.loader.prefix) + else: + logger.debug('_find worked: %r %r', path, self.loader.prefix) + return result + + def get_cache_info(self, resource): + prefix = self.loader.archive + path = resource.path[1 + len(prefix):] + return prefix, path + + def get_bytes(self, resource): + return self.loader.get_data(resource.path) + + def get_stream(self, resource): + return io.BytesIO(self.get_bytes(resource)) + + def get_size(self, resource): + path = resource.path[self.prefix_len:] + return self._files[path][3] + + def get_resources(self, resource): + path = resource.path[self.prefix_len:] + if path and path[-1] != os.sep: + path += os.sep + plen = len(path) + result = set() + i = bisect.bisect(self.index, path) + while i < len(self.index): + if not self.index[i].startswith(path): + break + s = self.index[i][plen:] + result.add(s.split(os.sep, 1)[0]) # only immediate children + i += 1 + return result + + def _is_directory(self, path): + path = path[self.prefix_len:] + if path and path[-1] != os.sep: + path += os.sep + i = bisect.bisect(self.index, path) + try: + result = self.index[i].startswith(path) + except IndexError: + result = False + return result + +_finder_registry = { + type(None): ResourceFinder, + zipimport.zipimporter: ZipResourceFinder +} + +try: + import _frozen_importlib + _finder_registry[_frozen_importlib.SourceFileLoader] = ResourceFinder + _finder_registry[_frozen_importlib.FileFinder] = ResourceFinder +except (ImportError, AttributeError): + pass + + +def register_finder(loader, finder_maker): + _finder_registry[type(loader)] = finder_maker + +_finder_cache = {} + + +def finder(package): + """ + Return a resource finder for a package. + :param package: The name of the package. + :return: A :class:`ResourceFinder` instance for the package. + """ + if package in _finder_cache: + result = _finder_cache[package] + else: + if package not in sys.modules: + __import__(package) + module = sys.modules[package] + path = getattr(module, '__path__', None) + if path is None: + raise DistlibException('You cannot get a finder for a module, ' + 'only for a package') + loader = getattr(module, '__loader__', None) + finder_maker = _finder_registry.get(type(loader)) + if finder_maker is None: + raise DistlibException('Unable to locate finder for %r' % package) + result = finder_maker(module) + _finder_cache[package] = result + return result + + +_dummy_module = types.ModuleType(str('__dummy__')) + + +def finder_for_path(path): + """ + Return a resource finder for a path, which should represent a container. + + :param path: The path. + :return: A :class:`ResourceFinder` instance for the path. + """ + result = None + # calls any path hooks, gets importer into cache + pkgutil.get_importer(path) + loader = sys.path_importer_cache.get(path) + finder = _finder_registry.get(type(loader)) + if finder: + module = _dummy_module + module.__file__ = os.path.join(path, '') + module.__loader__ = loader + result = finder(module) + return result diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/scripts.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/scripts.py new file mode 100644 index 0000000..0c051ce --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/scripts.py @@ -0,0 +1,343 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2013 Vinay Sajip. +# Licensed to the Python Software Foundation under a contributor agreement. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +from io import BytesIO +import logging +import os +import re +import struct +import sys + +from .compat import sysconfig, fsencode, detect_encoding, ZipFile +from .resources import finder +from .util import (FileOperator, get_export_entry, convert_path, + get_executable, in_venv) + +logger = logging.getLogger(__name__) + +is_posix = os.name == 'posix' or (os.name == 'java' and os._name == 'posix') +is_windows = os.name == "nt" or (os.name == "java" and os._name == "nt") + +_DEFAULT_MANIFEST = ''' +<?xml version="1.0" encoding="UTF-8" standalone="yes"?> +<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0"> + <assemblyIdentity version="1.0.0.0" + processorArchitecture="X86" + name="%s" + type="win32"/> + + <!-- Identify the application security requirements. --> + <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3"> + <security> + <requestedPrivileges> + <requestedExecutionLevel level="asInvoker" uiAccess="false"/> + </requestedPrivileges> + </security> + </trustInfo> +</assembly>'''.strip() + +# check if Python is called on the first line with this expression +FIRST_LINE_RE = re.compile(b'^#!.*pythonw?[0-9.]*([ \t].*)?$') +SCRIPT_TEMPLATE = '''# -*- coding: utf-8 -*- +if __name__ == '__main__': + import sys, re + + def _resolve(module, func): + __import__(module) + mod = sys.modules[module] + parts = func.split('.') + result = getattr(mod, parts.pop(0)) + for p in parts: + result = getattr(result, p) + return result + + try: + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + + func = _resolve('%(module)s', '%(func)s') + rc = func() # None interpreted as 0 + except Exception as e: # only supporting Python >= 2.6 + sys.stderr.write('%%s\\n' %% e) + rc = 1 + sys.exit(rc) +''' + + +class ScriptMaker(object): + """ + A class to copy or create scripts from source scripts or callable + specifications. + """ + script_template = SCRIPT_TEMPLATE + + executable = None # for shebangs + + def __init__(self, source_dir, target_dir, add_launchers=True, + dry_run=False, fileop=None): + self.source_dir = source_dir + self.target_dir = target_dir + self.add_launchers = add_launchers + self.force = False + self.clobber = False + # It only makes sense to set mode bits on POSIX. + self.set_mode = is_posix + self.variants = set(('', 'X.Y')) + self._fileop = fileop or FileOperator(dry_run) + + def _get_alternate_executable(self, executable, options): + if options.get('gui', False) and is_windows: + dn, fn = os.path.split(executable) + fn = fn.replace('python', 'pythonw') + executable = os.path.join(dn, fn) + return executable + + def _is_shell(self, executable): + """Determine if the specified executable is a .sh (contains a #! line)""" + try: + with open(executable) as fp: + return fp.read(2) == '#!' + except (OSError, IOError): + return False # FIXME log + + def _fix_jython_executable(self, executable): + if sys.platform.startswith('java'): + if self._is_shell(executable): + # Workaround for Jython is not needed on Linux systems. + import java + + if java.lang.System.getProperty("os.name") == "Linux": + return executable + elif executable.endswith('jython.exe'): + # Use wrapper exe for Jython on Windows + return executable + + return '/usr/bin/env %s' % executable + + def _get_shebang(self, encoding, post_interp=b'', options=None): + if self.executable: + executable = self.executable + elif not sysconfig.is_python_build(): + executable = get_executable() + elif in_venv(): + executable = os.path.join(sysconfig.get_path('scripts'), + 'python%s' % sysconfig.get_config_var('EXE')) + else: + executable = os.path.join( + sysconfig.get_config_var('BINDIR'), + 'python%s%s' % (sysconfig.get_config_var('VERSION'), + sysconfig.get_config_var('EXE'))) + if options: + executable = self._get_alternate_executable(executable, options) + + executable = self._fix_jython_executable(executable) + executable = fsencode(executable) + shebang = b'#!' + executable + post_interp + b'\n' + # Python parser starts to read a script using UTF-8 until + # it gets a #coding:xxx cookie. The shebang has to be the + # first line of a file, the #coding:xxx cookie cannot be + # written before. So the shebang has to be decodable from + # UTF-8. + try: + shebang.decode('utf-8') + except UnicodeDecodeError: + raise ValueError( + 'The shebang (%r) is not decodable from utf-8' % shebang) + # If the script is encoded to a custom encoding (use a + # #coding:xxx cookie), the shebang has to be decodable from + # the script encoding too. + if encoding != 'utf-8': + try: + shebang.decode(encoding) + except UnicodeDecodeError: + raise ValueError( + 'The shebang (%r) is not decodable ' + 'from the script encoding (%r)' % (shebang, encoding)) + return shebang + + def _get_script_text(self, entry): + return self.script_template % dict(module=entry.prefix, + func=entry.suffix) + + manifest = _DEFAULT_MANIFEST + + def get_manifest(self, exename): + base = os.path.basename(exename) + return self.manifest % base + + def _write_script(self, names, shebang, script_bytes, filenames, ext): + use_launcher = self.add_launchers and is_windows + linesep = os.linesep.encode('utf-8') + if not use_launcher: + script_bytes = shebang + linesep + script_bytes + else: + if ext == 'py': + launcher = self._get_launcher('t') + else: + launcher = self._get_launcher('w') + stream = BytesIO() + with ZipFile(stream, 'w') as zf: + zf.writestr('__main__.py', script_bytes) + zip_data = stream.getvalue() + script_bytes = launcher + shebang + linesep + zip_data + for name in names: + outname = os.path.join(self.target_dir, name) + if use_launcher: + n, e = os.path.splitext(outname) + if e.startswith('.py'): + outname = n + outname = '%s.exe' % outname + try: + self._fileop.write_binary_file(outname, script_bytes) + except Exception: + # Failed writing an executable - it might be in use. + logger.warning('Failed to write executable - trying to ' + 'use .deleteme logic') + dfname = '%s.deleteme' % outname + if os.path.exists(dfname): + os.remove(dfname) # Not allowed to fail here + os.rename(outname, dfname) # nor here + self._fileop.write_binary_file(outname, script_bytes) + logger.debug('Able to replace executable using ' + '.deleteme logic') + try: + os.remove(dfname) + except Exception: + pass # still in use - ignore error + else: + if is_windows and not outname.endswith('.' + ext): + outname = '%s.%s' % (outname, ext) + if os.path.exists(outname) and not self.clobber: + logger.warning('Skipping existing file %s', outname) + continue + self._fileop.write_binary_file(outname, script_bytes) + if self.set_mode: + self._fileop.set_executable_mode([outname]) + filenames.append(outname) + + def _make_script(self, entry, filenames, options=None): + shebang = self._get_shebang('utf-8', options=options) + script = self._get_script_text(entry).encode('utf-8') + name = entry.name + scriptnames = set() + if '' in self.variants: + scriptnames.add(name) + if 'X' in self.variants: + scriptnames.add('%s%s' % (name, sys.version[0])) + if 'X.Y' in self.variants: + scriptnames.add('%s-%s' % (name, sys.version[:3])) + if options and options.get('gui', False): + ext = 'pyw' + else: + ext = 'py' + self._write_script(scriptnames, shebang, script, filenames, ext) + + def _copy_script(self, script, filenames): + adjust = False + script = os.path.join(self.source_dir, convert_path(script)) + outname = os.path.join(self.target_dir, os.path.basename(script)) + if not self.force and not self._fileop.newer(script, outname): + logger.debug('not copying %s (up-to-date)', script) + return + + # Always open the file, but ignore failures in dry-run mode -- + # that way, we'll get accurate feedback if we can read the + # script. + try: + f = open(script, 'rb') + except IOError: + if not self.dry_run: + raise + f = None + else: + encoding, lines = detect_encoding(f.readline) + f.seek(0) + first_line = f.readline() + if not first_line: + logger.warning('%s: %s is an empty file (skipping)', + self.get_command_name(), script) + return + + match = FIRST_LINE_RE.match(first_line.replace(b'\r\n', b'\n')) + if match: + adjust = True + post_interp = match.group(1) or b'' + + if not adjust: + if f: + f.close() + self._fileop.copy_file(script, outname) + if self.set_mode: + self._fileop.set_executable_mode([outname]) + filenames.append(outname) + else: + logger.info('copying and adjusting %s -> %s', script, + self.target_dir) + if not self._fileop.dry_run: + shebang = self._get_shebang(encoding, post_interp) + if b'pythonw' in first_line: + ext = 'pyw' + else: + ext = 'py' + n = os.path.basename(outname) + self._write_script([n], shebang, f.read(), filenames, ext) + if f: + f.close() + + @property + def dry_run(self): + return self._fileop.dry_run + + @dry_run.setter + def dry_run(self, value): + self._fileop.dry_run = value + + if is_windows: + # Executable launcher support. + # Launchers are from https://bitbucket.org/vinay.sajip/simple_launcher/ + + def _get_launcher(self, kind): + if struct.calcsize('P') == 8: # 64-bit + bits = '64' + else: + bits = '32' + name = '%s%s.exe' % (kind, bits) + # Issue 31: don't hardcode an absolute package name, but + # determine it relative to the current package + distlib_package = __name__.rsplit('.', 1)[0] + result = finder(distlib_package).find(name).bytes + return result + + # Public API follows + + def make(self, specification, options=None): + """ + Make a script. + + :param specification: The specification, which is either a valid export + entry specification (to make a script from a + callable) or a filename (to make a script by + copying from a source location). + :param options: A dictionary of options controlling script generation. + :return: A list of all absolute pathnames written to. + """ + filenames = [] + entry = get_export_entry(specification) + if entry is None: + self._copy_script(specification, filenames) + else: + self._make_script(entry, filenames, options=options) + return filenames + + def make_multiple(self, specifications, options=None): + """ + Take a list of specifications and make scripts from them, + :param specifications: A list of specifications. + :return: A list of all absolute pathnames written to, + """ + filenames = [] + for specification in specifications: + filenames.extend(self.make(specification, options)) + return filenames diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/util.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/util.py new file mode 100644 index 0000000..e8e0ff2 --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/util.py @@ -0,0 +1,1532 @@ +# +# Copyright (C) 2012-2013 The Python Software Foundation. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +import codecs +from collections import deque +import contextlib +import csv +from glob import iglob as std_iglob +import io +import json +import logging +import os +import py_compile +import re +import shutil +import socket +import ssl +import subprocess +import sys +import tarfile +import tempfile +try: + import threading +except ImportError: + import dummy_threading as threading +import time + +from . import DistlibException +from .compat import (string_types, text_type, shutil, raw_input, StringIO, + cache_from_source, urlopen, httplib, xmlrpclib, splittype, + HTTPHandler, HTTPSHandler as BaseHTTPSHandler, + BaseConfigurator, valid_ident, Container, configparser, + URLError, match_hostname, CertificateError, ZipFile) + +logger = logging.getLogger(__name__) + +# +# Requirement parsing code for name + optional constraints + optional extras +# +# e.g. 'foo >= 1.2, < 2.0 [bar, baz]' +# +# The regex can seem a bit hairy, so we build it up out of smaller pieces +# which are manageable. +# + +COMMA = r'\s*,\s*' +COMMA_RE = re.compile(COMMA) + +IDENT = r'(\w|[.-])+' +EXTRA_IDENT = r'(\*|:(\*|\w+):|' + IDENT + ')' +VERSPEC = IDENT + r'\*?' + +RELOP = '([<>=!~]=)|[<>]' + +# +# The first relop is optional - if absent, will be taken as '~=' +# +BARE_CONSTRAINTS = ('(' + RELOP + r')?\s*(' + VERSPEC + ')(' + COMMA + '(' + + RELOP + r')\s*(' + VERSPEC + '))*') + +DIRECT_REF = '(from\s+(?P<diref>.*))' + +# +# Either the bare constraints or the bare constraints in parentheses +# +CONSTRAINTS = (r'\(\s*(?P<c1>' + BARE_CONSTRAINTS + '|' + DIRECT_REF + + r')\s*\)|(?P<c2>' + BARE_CONSTRAINTS + '\s*)') + +EXTRA_LIST = EXTRA_IDENT + '(' + COMMA + EXTRA_IDENT + ')*' +EXTRAS = r'\[\s*(?P<ex>' + EXTRA_LIST + r')?\s*\]' +REQUIREMENT = ('(?P<dn>' + IDENT + r')\s*(' + EXTRAS + r'\s*)?(\s*' + + CONSTRAINTS + ')?$') +REQUIREMENT_RE = re.compile(REQUIREMENT) + +# +# Used to scan through the constraints +# +RELOP_IDENT = '(?P<op>' + RELOP + r')\s*(?P<vn>' + VERSPEC + ')' +RELOP_IDENT_RE = re.compile(RELOP_IDENT) + +def parse_requirement(s): + + def get_constraint(m): + d = m.groupdict() + return d['op'], d['vn'] + + result = None + m = REQUIREMENT_RE.match(s) + if m: + d = m.groupdict() + name = d['dn'] + cons = d['c1'] or d['c2'] + if not d['diref']: + url = None + else: + # direct reference + cons = None + url = d['diref'].strip() + if not cons: + cons = None + constr = '' + rs = d['dn'] + else: + if cons[0] not in '<>!=': + cons = '~=' + cons + iterator = RELOP_IDENT_RE.finditer(cons) + cons = [get_constraint(m) for m in iterator] + rs = '%s (%s)' % (name, ', '.join(['%s %s' % con for con in cons])) + if not d['ex']: + extras = None + else: + extras = COMMA_RE.split(d['ex']) + result = Container(name=name, constraints=cons, extras=extras, + requirement=rs, source=s, url=url) + return result + + +def get_resources_dests(resources_root, rules): + """Find destinations for resources files""" + + def get_rel_path(base, path): + # normalizes and returns a lstripped-/-separated path + base = base.replace(os.path.sep, '/') + path = path.replace(os.path.sep, '/') + assert path.startswith(base) + return path[len(base):].lstrip('/') + + + destinations = {} + for base, suffix, dest in rules: + prefix = os.path.join(resources_root, base) + for abs_base in iglob(prefix): + abs_glob = os.path.join(abs_base, suffix) + for abs_path in iglob(abs_glob): + resource_file = get_rel_path(resources_root, abs_path) + if dest is None: # remove the entry if it was here + destinations.pop(resource_file, None) + else: + rel_path = get_rel_path(abs_base, abs_path) + rel_dest = dest.replace(os.path.sep, '/').rstrip('/') + destinations[resource_file] = rel_dest + '/' + rel_path + return destinations + + +def in_venv(): + if hasattr(sys, 'real_prefix'): + # virtualenv venvs + result = True + else: + # PEP 405 venvs + result = sys.prefix != getattr(sys, 'base_prefix', sys.prefix) + return result + + +def get_executable(): + if sys.platform == 'darwin' and ('__VENV_LAUNCHER__' + in os.environ): + result = os.environ['__VENV_LAUNCHER__'] + else: + result = sys.executable + return result + + +def proceed(prompt, allowed_chars, error_prompt=None, default=None): + p = prompt + while True: + s = raw_input(p) + p = prompt + if not s and default: + s = default + if s: + c = s[0].lower() + if c in allowed_chars: + break + if error_prompt: + p = '%c: %s\n%s' % (c, error_prompt, prompt) + return c + + +def extract_by_key(d, keys): + if isinstance(keys, string_types): + keys = keys.split() + result = {} + for key in keys: + if key in d: + result[key] = d[key] + return result + +def read_exports(stream): + if sys.version_info[0] >= 3: + # needs to be a text stream + stream = codecs.getreader('utf-8')(stream) + # Try to load as JSON, falling back on legacy format + data = stream.read() + stream = StringIO(data) + try: + data = json.load(stream) + result = data['exports'] + for group, entries in result.items(): + for k, v in entries.items(): + s = '%s = %s' % (k, v) + entry = get_export_entry(s) + assert entry is not None + entries[k] = entry + return result + except Exception: + stream.seek(0, 0) + cp = configparser.ConfigParser() + if hasattr(cp, 'read_file'): + cp.read_file(stream) + else: + cp.readfp(stream) + result = {} + for key in cp.sections(): + result[key] = entries = {} + for name, value in cp.items(key): + s = '%s = %s' % (name, value) + entry = get_export_entry(s) + assert entry is not None + #entry.dist = self + entries[name] = entry + return result + + +def write_exports(exports, stream): + if sys.version_info[0] >= 3: + # needs to be a text stream + stream = codecs.getwriter('utf-8')(stream) + cp = configparser.ConfigParser() + for k, v in exports.items(): + # TODO check k, v for valid values + cp.add_section(k) + for entry in v.values(): + if entry.suffix is None: + s = entry.prefix + else: + s = '%s:%s' % (entry.prefix, entry.suffix) + if entry.flags: + s = '%s [%s]' % (s, ', '.join(entry.flags)) + cp.set(k, entry.name, s) + cp.write(stream) + + +@contextlib.contextmanager +def tempdir(): + td = tempfile.mkdtemp() + try: + yield td + finally: + shutil.rmtree(td) + +@contextlib.contextmanager +def chdir(d): + cwd = os.getcwd() + try: + os.chdir(d) + yield + finally: + os.chdir(cwd) + + +@contextlib.contextmanager +def socket_timeout(seconds=15): + cto = socket.getdefaulttimeout() + try: + socket.setdefaulttimeout(seconds) + yield + finally: + socket.setdefaulttimeout(cto) + + +class cached_property(object): + def __init__(self, func): + self.func = func + #for attr in ('__name__', '__module__', '__doc__'): + # setattr(self, attr, getattr(func, attr, None)) + + def __get__(self, obj, cls=None): + if obj is None: + return self + value = self.func(obj) + object.__setattr__(obj, self.func.__name__, value) + #obj.__dict__[self.func.__name__] = value = self.func(obj) + return value + +def convert_path(pathname): + """Return 'pathname' as a name that will work on the native filesystem. + + The path is split on '/' and put back together again using the current + directory separator. Needed because filenames in the setup script are + always supplied in Unix style, and have to be converted to the local + convention before we can actually use them in the filesystem. Raises + ValueError on non-Unix-ish systems if 'pathname' either starts or + ends with a slash. + """ + if os.sep == '/': + return pathname + if not pathname: + return pathname + if pathname[0] == '/': + raise ValueError("path '%s' cannot be absolute" % pathname) + if pathname[-1] == '/': + raise ValueError("path '%s' cannot end with '/'" % pathname) + + paths = pathname.split('/') + while os.curdir in paths: + paths.remove(os.curdir) + if not paths: + return os.curdir + return os.path.join(*paths) + + +class FileOperator(object): + def __init__(self, dry_run=False): + self.dry_run = dry_run + self.ensured = set() + self._init_record() + + def _init_record(self): + self.record = False + self.files_written = set() + self.dirs_created = set() + + def record_as_written(self, path): + if self.record: + self.files_written.add(path) + + def newer(self, source, target): + """Tell if the target is newer than the source. + + Returns true if 'source' exists and is more recently modified than + 'target', or if 'source' exists and 'target' doesn't. + + Returns false if both exist and 'target' is the same age or younger + than 'source'. Raise PackagingFileError if 'source' does not exist. + + Note that this test is not very accurate: files created in the same + second will have the same "age". + """ + if not os.path.exists(source): + raise DistlibException("file '%r' does not exist" % + os.path.abspath(source)) + if not os.path.exists(target): + return True + + return os.stat(source).st_mtime > os.stat(target).st_mtime + + def copy_file(self, infile, outfile, check=True): + """Copy a file respecting dry-run and force flags. + """ + self.ensure_dir(os.path.dirname(outfile)) + logger.info('Copying %s to %s', infile, outfile) + if not self.dry_run: + msg = None + if check: + if os.path.islink(outfile): + msg = '%s is a symlink' % outfile + elif os.path.exists(outfile) and not os.path.isfile(outfile): + msg = '%s is a non-regular file' % outfile + if msg: + raise ValueError(msg + ' which would be overwritten') + shutil.copyfile(infile, outfile) + self.record_as_written(outfile) + + def copy_stream(self, instream, outfile, encoding=None): + assert not os.path.isdir(outfile) + self.ensure_dir(os.path.dirname(outfile)) + logger.info('Copying stream %s to %s', instream, outfile) + if not self.dry_run: + if encoding is None: + outstream = open(outfile, 'wb') + else: + outstream = codecs.open(outfile, 'w', encoding=encoding) + try: + shutil.copyfileobj(instream, outstream) + finally: + outstream.close() + self.record_as_written(outfile) + + def write_binary_file(self, path, data): + self.ensure_dir(os.path.dirname(path)) + if not self.dry_run: + with open(path, 'wb') as f: + f.write(data) + self.record_as_written(path) + + def write_text_file(self, path, data, encoding): + self.ensure_dir(os.path.dirname(path)) + if not self.dry_run: + with open(path, 'wb') as f: + f.write(data.encode(encoding)) + self.record_as_written(path) + + def set_mode(self, bits, mask, files): + if os.name == 'posix' or (os.name == 'java' and os._name == 'posix'): + # Set the executable bits (owner, group, and world) on + # all the files specified. + for f in files: + if self.dry_run: + logger.info("changing mode of %s", f) + else: + mode = (os.stat(f).st_mode | bits) & mask + logger.info("changing mode of %s to %o", f, mode) + os.chmod(f, mode) + + set_executable_mode = lambda s, f: s.set_mode(0o555, 0o7777, f) + + def ensure_dir(self, path): + path = os.path.abspath(path) + if path not in self.ensured and not os.path.exists(path): + self.ensured.add(path) + d, f = os.path.split(path) + self.ensure_dir(d) + logger.info('Creating %s' % path) + if not self.dry_run: + os.mkdir(path) + if self.record: + self.dirs_created.add(path) + + def byte_compile(self, path, optimize=False, force=False, prefix=None): + dpath = cache_from_source(path, not optimize) + logger.info('Byte-compiling %s to %s', path, dpath) + if not self.dry_run: + if force or self.newer(path, dpath): + if not prefix: + diagpath = None + else: + assert path.startswith(prefix) + diagpath = path[len(prefix):] + py_compile.compile(path, dpath, diagpath, True) # raise error + self.record_as_written(dpath) + return dpath + + def ensure_removed(self, path): + if os.path.exists(path): + if os.path.isdir(path) and not os.path.islink(path): + logger.debug('Removing directory tree at %s', path) + if not self.dry_run: + shutil.rmtree(path) + if self.record: + if path in self.dirs_created: + self.dirs_created.remove(path) + else: + if os.path.islink(path): + s = 'link' + else: + s = 'file' + logger.debug('Removing %s %s', s, path) + if not self.dry_run: + os.remove(path) + if self.record: + if path in self.files_written: + self.files_written.remove(path) + + def is_writable(self, path): + result = False + while not result: + if os.path.exists(path): + result = os.access(path, os.W_OK) + break + parent = os.path.dirname(path) + if parent == path: + break + path = parent + return result + + def commit(self): + """ + Commit recorded changes, turn off recording, return + changes. + """ + assert self.record + result = self.files_written, self.dirs_created + self._init_record() + return result + + def rollback(self): + if not self.dry_run: + for f in list(self.files_written): + if os.path.exists(f): + os.remove(f) + # dirs should all be empty now, except perhaps for + # __pycache__ subdirs + # reverse so that subdirs appear before their parents + dirs = sorted(self.dirs_created, reverse=True) + for d in dirs: + flist = os.listdir(d) + if flist: + assert flist == ['__pycache__'] + sd = os.path.join(d, flist[0]) + os.rmdir(sd) + os.rmdir(d) # should fail if non-empty + self._init_record() + +def resolve(module_name, dotted_path): + if module_name in sys.modules: + mod = sys.modules[module_name] + else: + mod = __import__(module_name) + if dotted_path is None: + result = mod + else: + parts = dotted_path.split('.') + result = getattr(mod, parts.pop(0)) + for p in parts: + result = getattr(result, p) + return result + + +class ExportEntry(object): + def __init__(self, name, prefix, suffix, flags): + self.name = name + self.prefix = prefix + self.suffix = suffix + self.flags = flags + + @cached_property + def value(self): + return resolve(self.prefix, self.suffix) + + def __repr__(self): + return '<ExportEntry %s = %s:%s %s>' % (self.name, self.prefix, + self.suffix, self.flags) + + def __eq__(self, other): + if not isinstance(other, ExportEntry): + result = False + else: + result = (self.name == other.name and + self.prefix == other.prefix and + self.suffix == other.suffix and + self.flags == other.flags) + return result + + __hash__ = object.__hash__ + + +ENTRY_RE = re.compile(r'''(?P<name>(\w|[-.])+) + \s*=\s*(?P<callable>(\w+)([:\.]\w+)*) + \s*(\[\s*(?P<flags>\w+(=\w+)?(,\s*\w+(=\w+)?)*)\s*\])? + ''', re.VERBOSE) + + +def get_export_entry(specification): + m = ENTRY_RE.search(specification) + if not m: + result = None + if '[' in specification or ']' in specification: + raise DistlibException('Invalid specification ' + '%r' % specification) + else: + d = m.groupdict() + name = d['name'] + path = d['callable'] + colons = path.count(':') + if colons == 0: + prefix, suffix = path, None + else: + if colons != 1: + raise DistlibException('Invalid specification ' + '%r' % specification) + prefix, suffix = path.split(':') + flags = d['flags'] + if flags is None: + if '[' in specification or ']' in specification: + raise DistlibException('Invalid specification ' + '%r' % specification) + flags = [] + else: + flags = [f.strip() for f in flags.split(',')] + result = ExportEntry(name, prefix, suffix, flags) + return result + + +def get_cache_base(suffix=None): + """ + Return the default base location for distlib caches. If the directory does + not exist, it is created. Use the suffix provided for the base directory, + and default to '.distlib' if it isn't provided. + + On Windows, if LOCALAPPDATA is defined in the environment, then it is + assumed to be a directory, and will be the parent directory of the result. + On POSIX, and on Windows if LOCALAPPDATA is not defined, the user's home + directory - using os.expanduser('~') - will be the parent directory of + the result. + + The result is just the directory '.distlib' in the parent directory as + determined above, or with the name specified with ``suffix``. + """ + if suffix is None: + suffix = '.distlib' + if os.name == 'nt' and 'LOCALAPPDATA' in os.environ: + result = os.path.expandvars('$localappdata') + else: + # Assume posix, or old Windows + result = os.path.expanduser('~') + result = os.path.join(result, suffix) + # we use 'isdir' instead of 'exists', because we want to + # fail if there's a file with that name + if os.path.isdir(result): + usable = os.access(result, os.W_OK) + if not usable: + logger.warning('Directory exists but is not writable: %s', result) + else: + try: + os.makedirs(result) + usable = True + except OSError: + logger.warning('Unable to create %s', result, exc_info=True) + usable = False + if not usable: + result = tempfile.mkdtemp() + logger.warning('Default location unusable, using %s', result) + return result + + +def path_to_cache_dir(path): + """ + Convert an absolute path to a directory name for use in a cache. + + The algorithm used is: + + #. On Windows, any ``':'`` in the drive is replaced with ``'---'``. + #. Any occurrence of ``os.sep`` is replaced with ``'--'``. + #. ``'.cache'`` is appended. + """ + d, p = os.path.splitdrive(os.path.abspath(path)) + if d: + d = d.replace(':', '---') + p = p.replace(os.sep, '--') + return d + p + '.cache' + + +def ensure_slash(s): + if not s.endswith('/'): + return s + '/' + return s + + +def parse_credentials(netloc): + username = password = None + if '@' in netloc: + prefix, netloc = netloc.split('@', 1) + if ':' not in prefix: + username = prefix + else: + username, password = prefix.split(':', 1) + return username, password, netloc + + +def get_process_umask(): + result = os.umask(0o22) + os.umask(result) + return result + +def is_string_sequence(seq): + result = True + i = None + for i, s in enumerate(seq): + if not isinstance(s, string_types): + result = False + break + assert i is not None + return result + +PROJECT_NAME_AND_VERSION = re.compile('([a-z0-9_]+([.-][a-z_][a-z0-9_]*)*)-' + '([a-z0-9_.+-]+)', re.I) +PYTHON_VERSION = re.compile(r'-py(\d\.?\d?)') + + +def split_filename(filename, project_name=None): + """ + Extract name, version, python version from a filename (no extension) + + Return name, version, pyver or None + """ + result = None + pyver = None + m = PYTHON_VERSION.search(filename) + if m: + pyver = m.group(1) + filename = filename[:m.start()] + if project_name and len(filename) > len(project_name) + 1: + m = re.match(re.escape(project_name) + r'\b', filename) + if m: + n = m.end() + result = filename[:n], filename[n + 1:], pyver + if result is None: + m = PROJECT_NAME_AND_VERSION.match(filename) + if m: + result = m.group(1), m.group(3), pyver + return result + +# Allow spaces in name because of legacy dists like "Twisted Core" +NAME_VERSION_RE = re.compile(r'(?P<name>[\w .-]+)\s*' + r'\(\s*(?P<ver>[^\s)]+)\)$') + +def parse_name_and_version(p): + """ + A utility method used to get name and version from a string. + + From e.g. a Provides-Dist value. + + :param p: A value in a form 'foo (1.0)' + :return: The name and version as a tuple. + """ + m = NAME_VERSION_RE.match(p) + if not m: + raise DistlibException('Ill-formed name/version string: \'%s\'' % p) + d = m.groupdict() + return d['name'].strip().lower(), d['ver'] + +def get_extras(requested, available): + result = set() + requested = set(requested or []) + available = set(available or []) + if '*' in requested: + requested.remove('*') + result |= available + for r in requested: + if r == '-': + result.add(r) + elif r.startswith('-'): + unwanted = r[1:] + if unwanted not in available: + logger.warning('undeclared extra: %s' % unwanted) + if unwanted in result: + result.remove(unwanted) + else: + if r not in available: + logger.warning('undeclared extra: %s' % r) + result.add(r) + return result +# +# Extended metadata functionality +# + +def _get_external_data(url): + result = {} + try: + # urlopen might fail if it runs into redirections, + # because of Python issue #13696. Fixed in locators + # using a custom redirect handler. + resp = urlopen(url) + headers = resp.info() + if headers.get('Content-Type') != 'application/json': + logger.debug('Unexpected response for JSON request') + else: + reader = codecs.getreader('utf-8')(resp) + #data = reader.read().decode('utf-8') + #result = json.loads(data) + result = json.load(reader) + except Exception as e: + logger.exception('Failed to get external data for %s: %s', url, e) + return result + + +def get_project_data(name): + url = ('https://www.red-dove.com/pypi/projects/' + '%s/%s/project.json' % (name[0].upper(), name)) + result = _get_external_data(url) + return result + +def get_package_data(name, version): + url = ('https://www.red-dove.com/pypi/projects/' + '%s/%s/package-%s.json' % (name[0].upper(), name, version)) + return _get_external_data(url) + + +class EventMixin(object): + """ + A very simple publish/subscribe system. + """ + def __init__(self): + self._subscribers = {} + + def add(self, event, subscriber, append=True): + """ + Add a subscriber for an event. + + :param event: The name of an event. + :param subscriber: The subscriber to be added (and called when the + event is published). + :param append: Whether to append or prepend the subscriber to an + existing subscriber list for the event. + """ + subs = self._subscribers + if event not in subs: + subs[event] = deque([subscriber]) + else: + sq = subs[event] + if append: + sq.append(subscriber) + else: + sq.appendleft(subscriber) + + def remove(self, event, subscriber): + """ + Remove a subscriber for an event. + + :param event: The name of an event. + :param subscriber: The subscriber to be removed. + """ + subs = self._subscribers + if event not in subs: + raise ValueError('No subscribers: %r' % event) + subs[event].remove(subscriber) + + def get_subscribers(self, event): + """ + Return an iterator for the subscribers for an event. + :param event: The event to return subscribers for. + """ + return iter(self._subscribers.get(event, ())) + + def publish(self, event, *args, **kwargs): + """ + Publish a event and return a list of values returned by its + subscribers. + + :param event: The event to publish. + :param args: The positional arguments to pass to the event's + subscribers. + :param kwargs: The keyword arguments to pass to the event's + subscribers. + """ + result = [] + for subscriber in self.get_subscribers(event): + try: + value = subscriber(event, *args, **kwargs) + except Exception: + logger.exception('Exception during event publication') + value = None + result.append(value) + logger.debug('publish %s: args = %s, kwargs = %s, result = %s', + event, args, kwargs, result) + return result + +# +# Simple sequencing +# +class Sequencer(object): + def __init__(self): + self._preds = {} + self._succs = {} + self._nodes = set() # nodes with no preds/succs + + def add_node(self, node): + self._nodes.add(node) + + def remove_node(self, node, edges=False): + if node in self._nodes: + self._nodes.remove(node) + if edges: + for p in set(self._preds.get(node, ())): + self.remove(p, node) + for s in set(self._succs.get(node, ())): + self.remove(node, s) + # Remove empties + for k, v in list(self._preds.items()): + if not v: + del self._preds[k] + for k, v in list(self._succs.items()): + if not v: + del self._succs[k] + + def add(self, pred, succ): + assert pred != succ + self._preds.setdefault(succ, set()).add(pred) + self._succs.setdefault(pred, set()).add(succ) + + def remove(self, pred, succ): + assert pred != succ + try: + preds = self._preds[succ] + succs = self._succs[pred] + except KeyError: + raise ValueError('%r not a successor of anything' % succ) + try: + preds.remove(pred) + succs.remove(succ) + except KeyError: + raise ValueError('%r not a successor of %r' % (succ, pred)) + + def is_step(self, step): + return (step in self._preds or step in self._succs or + step in self._nodes) + + def get_steps(self, final): + if not self.is_step(final): + raise ValueError('Unknown: %r' % final) + result = [] + todo = [] + seen = set() + todo.append(final) + while todo: + step = todo.pop(0) + if step in seen: + # if a step was already seen, + # move it to the end (so it will appear earlier + # when reversed on return) ... but not for the + # final step, as that would be confusing for + # users + if step != final: + result.remove(step) + result.append(step) + else: + seen.add(step) + result.append(step) + preds = self._preds.get(step, ()) + todo.extend(preds) + return reversed(result) + + @property + def strong_connections(self): + #http://en.wikipedia.org/wiki/Tarjan%27s_strongly_connected_components_algorithm + index_counter = [0] + stack = [] + lowlinks = {} + index = {} + result = [] + + graph = self._succs + + def strongconnect(node): + # set the depth index for this node to the smallest unused index + index[node] = index_counter[0] + lowlinks[node] = index_counter[0] + index_counter[0] += 1 + stack.append(node) + + # Consider successors + try: + successors = graph[node] + except Exception: + successors = [] + for successor in successors: + if successor not in lowlinks: + # Successor has not yet been visited + strongconnect(successor) + lowlinks[node] = min(lowlinks[node],lowlinks[successor]) + elif successor in stack: + # the successor is in the stack and hence in the current + # strongly connected component (SCC) + lowlinks[node] = min(lowlinks[node],index[successor]) + + # If `node` is a root node, pop the stack and generate an SCC + if lowlinks[node] == index[node]: + connected_component = [] + + while True: + successor = stack.pop() + connected_component.append(successor) + if successor == node: break + component = tuple(connected_component) + # storing the result + result.append(component) + + for node in graph: + if node not in lowlinks: + strongconnect(node) + + return result + + @property + def dot(self): + result = ['digraph G {'] + for succ in self._preds: + preds = self._preds[succ] + for pred in preds: + result.append(' %s -> %s;' % (pred, succ)) + for node in self._nodes: + result.append(' %s;' % node) + result.append('}') + return '\n'.join(result) + +# +# Unarchiving functionality for zip, tar, tgz, tbz, whl +# + +ARCHIVE_EXTENSIONS = ('.tar.gz', '.tar.bz2', '.tar', '.zip', + '.tgz', '.tbz', '.whl') + +def unarchive(archive_filename, dest_dir, format=None, check=True): + + def check_path(path): + if not isinstance(path, text_type): + path = path.decode('utf-8') + p = os.path.abspath(os.path.join(dest_dir, path)) + if not p.startswith(dest_dir) or p[plen] != os.sep: + raise ValueError('path outside destination: %r' % p) + + dest_dir = os.path.abspath(dest_dir) + plen = len(dest_dir) + archive = None + if format is None: + if archive_filename.endswith(('.zip', '.whl')): + format = 'zip' + elif archive_filename.endswith(('.tar.gz', '.tgz')): + format = 'tgz' + mode = 'r:gz' + elif archive_filename.endswith(('.tar.bz2', '.tbz')): + format = 'tbz' + mode = 'r:bz2' + elif archive_filename.endswith('.tar'): + format = 'tar' + mode = 'r' + else: + raise ValueError('Unknown format for %r' % archive_filename) + try: + if format == 'zip': + archive = ZipFile(archive_filename, 'r') + if check: + names = archive.namelist() + for name in names: + check_path(name) + else: + archive = tarfile.open(archive_filename, mode) + if check: + names = archive.getnames() + for name in names: + check_path(name) + if format != 'zip' and sys.version_info[0] < 3: + # See Python issue 17153. If the dest path contains Unicode, + # tarfile extraction fails on Python 2.x if a member path name + # contains non-ASCII characters - it leads to an implicit + # bytes -> unicode conversion using ASCII to decode. + for tarinfo in archive.getmembers(): + if not isinstance(tarinfo.name, text_type): + tarinfo.name = tarinfo.name.decode('utf-8') + archive.extractall(dest_dir) + + finally: + if archive: + archive.close() + + +def zip_dir(directory): + """zip a directory tree into a BytesIO object""" + result = io.BytesIO() + dlen = len(directory) + with ZipFile(result, "w") as zf: + for root, dirs, files in os.walk(directory): + for name in files: + full = os.path.join(root, name) + rel = root[dlen:] + dest = os.path.join(rel, name) + zf.write(full, dest) + return result + +# +# Simple progress bar +# + +UNITS = ('', 'K', 'M', 'G','T','P') + + +class Progress(object): + unknown = 'UNKNOWN' + + def __init__(self, minval=0, maxval=100): + assert maxval is None or maxval >= minval + self.min = self.cur = minval + self.max = maxval + self.started = None + self.elapsed = 0 + self.done = False + + def update(self, curval): + assert self.min <= curval + assert self.max is None or curval <= self.max + self.cur = curval + now = time.time() + if self.started is None: + self.started = now + else: + self.elapsed = now - self.started + + def increment(self, incr): + assert incr >= 0 + self.update(self.cur + incr) + + def start(self): + self.update(self.min) + return self + + def stop(self): + if self.max is not None: + self.update(self.max) + self.done = True + + @property + def maximum(self): + return self.unknown if self.max is None else self.max + + @property + def percentage(self): + if self.done: + result = '100 %' + elif self.max is None: + result = ' ?? %' + else: + v = 100.0 * (self.cur - self.min) / (self.max - self.min) + result = '%3d %%' % v + return result + + def format_duration(self, duration): + if (duration <= 0) and self.max is None or self.cur == self.min: + result = '??:??:??' + #elif duration < 1: + # result = '--:--:--' + else: + result = time.strftime('%H:%M:%S', time.gmtime(duration)) + return result + + @property + def ETA(self): + if self.done: + prefix = 'Done' + t = self.elapsed + #import pdb; pdb.set_trace() + else: + prefix = 'ETA ' + if self.max is None: + t = -1 + elif self.elapsed == 0 or (self.cur == self.min): + t = 0 + else: + #import pdb; pdb.set_trace() + t = float(self.max - self.min) + t /= self.cur - self.min + t = (t - 1) * self.elapsed + return '%s: %s' % (prefix, self.format_duration(t)) + + @property + def speed(self): + if self.elapsed == 0: + result = 0.0 + else: + result = (self.cur - self.min) / self.elapsed + for unit in UNITS: + if result < 1000: + break + result /= 1000.0 + return '%d %sB/s' % (result, unit) + +# +# Glob functionality +# + +RICH_GLOB = re.compile(r'\{([^}]*)\}') +_CHECK_RECURSIVE_GLOB = re.compile(r'[^/\\,{]\*\*|\*\*[^/\\,}]') +_CHECK_MISMATCH_SET = re.compile(r'^[^{]*\}|\{[^}]*$') + + +def iglob(path_glob): + """Extended globbing function that supports ** and {opt1,opt2,opt3}.""" + if _CHECK_RECURSIVE_GLOB.search(path_glob): + msg = """invalid glob %r: recursive glob "**" must be used alone""" + raise ValueError(msg % path_glob) + if _CHECK_MISMATCH_SET.search(path_glob): + msg = """invalid glob %r: mismatching set marker '{' or '}'""" + raise ValueError(msg % path_glob) + return _iglob(path_glob) + + +def _iglob(path_glob): + rich_path_glob = RICH_GLOB.split(path_glob, 1) + if len(rich_path_glob) > 1: + assert len(rich_path_glob) == 3, rich_path_glob + prefix, set, suffix = rich_path_glob + for item in set.split(','): + for path in _iglob(''.join((prefix, item, suffix))): + yield path + else: + if '**' not in path_glob: + for item in std_iglob(path_glob): + yield item + else: + prefix, radical = path_glob.split('**', 1) + if prefix == '': + prefix = '.' + if radical == '': + radical = '*' + else: + # we support both + radical = radical.lstrip('/') + radical = radical.lstrip('\\') + for path, dir, files in os.walk(prefix): + path = os.path.normpath(path) + for fn in _iglob(os.path.join(path, radical)): + yield fn + + + +# +# HTTPSConnection which verifies certificates/matches domains +# + +class HTTPSConnection(httplib.HTTPSConnection): + ca_certs = None # set this to the path to the certs file (.pem) + check_domain = True # only used if ca_certs is not None + + # noinspection PyPropertyAccess + def connect(self): + sock = socket.create_connection((self.host, self.port), self.timeout) + if getattr(self, '_tunnel_host', False): + self.sock = sock + self._tunnel() + + if not hasattr(ssl, 'SSLContext'): + # For 2.x + if self.ca_certs: + cert_reqs = ssl.CERT_REQUIRED + else: + cert_reqs = ssl.CERT_NONE + self.sock = ssl.wrap_socket(sock, self.key_file, self.cert_file, + cert_reqs=cert_reqs, + ssl_version=ssl.PROTOCOL_SSLv23, + ca_certs=self.ca_certs) + else: + context = ssl.SSLContext(ssl.PROTOCOL_SSLv23) + context.options |= ssl.OP_NO_SSLv2 + if self.cert_file: + context.load_cert_chain(self.cert_file, self.key_file) + kwargs = {} + if self.ca_certs: + context.verify_mode = ssl.CERT_REQUIRED + context.load_verify_locations(cafile=self.ca_certs) + if getattr(ssl, 'HAS_SNI', False): + kwargs['server_hostname'] = self.host + self.sock = context.wrap_socket(sock, **kwargs) + if self.ca_certs and self.check_domain: + try: + match_hostname(self.sock.getpeercert(), self.host) + logger.debug('Host verified: %s', self.host) + except CertificateError: + self.sock.shutdown(socket.SHUT_RDWR) + self.sock.close() + raise + +class HTTPSHandler(BaseHTTPSHandler): + def __init__(self, ca_certs, check_domain=True): + BaseHTTPSHandler.__init__(self) + self.ca_certs = ca_certs + self.check_domain = check_domain + + def _conn_maker(self, *args, **kwargs): + """ + This is called to create a connection instance. Normally you'd + pass a connection class to do_open, but it doesn't actually check for + a class, and just expects a callable. As long as we behave just as a + constructor would have, we should be OK. If it ever changes so that + we *must* pass a class, we'll create an UnsafeHTTPSConnection class + which just sets check_domain to False in the class definition, and + choose which one to pass to do_open. + """ + result = HTTPSConnection(*args, **kwargs) + if self.ca_certs: + result.ca_certs = self.ca_certs + result.check_domain = self.check_domain + return result + + def https_open(self, req): + try: + return self.do_open(self._conn_maker, req) + except URLError as e: + if 'certificate verify failed' in str(e.reason): + raise CertificateError('Unable to verify server certificate ' + 'for %s' % req.host) + else: + raise + +# +# To prevent against mixing HTTP traffic with HTTPS (examples: A Man-In-The- +# Middle proxy using HTTP listens on port 443, or an index mistakenly serves +# HTML containing a http://xyz link when it should be https://xyz), +# you can use the following handler class, which does not allow HTTP traffic. +# +# It works by inheriting from HTTPHandler - so build_opener won't add a +# handler for HTTP itself. +# +class HTTPSOnlyHandler(HTTPSHandler, HTTPHandler): + def http_open(self, req): + raise URLError('Unexpected HTTP request on what should be a secure ' + 'connection: %s' % req) + +# +# XML-RPC with timeouts +# + +_ver_info = sys.version_info[:2] + +if _ver_info == (2, 6): + class HTTP(httplib.HTTP): + def __init__(self, host='', port=None, **kwargs): + if port == 0: # 0 means use port 0, not the default port + port = None + self._setup(self._connection_class(host, port, **kwargs)) + + + class HTTPS(httplib.HTTPS): + def __init__(self, host='', port=None, **kwargs): + if port == 0: # 0 means use port 0, not the default port + port = None + self._setup(self._connection_class(host, port, **kwargs)) + + +class Transport(xmlrpclib.Transport): + def __init__(self, timeout, use_datetime=0): + self.timeout = timeout + xmlrpclib.Transport.__init__(self, use_datetime) + + def make_connection(self, host): + h, eh, x509 = self.get_host_info(host) + if _ver_info == (2, 6): + result = HTTP(h, timeout=self.timeout) + else: + if not self._connection or host != self._connection[0]: + self._extra_headers = eh + self._connection = host, httplib.HTTPConnection(h) + result = self._connection[1] + return result + +class SafeTransport(xmlrpclib.SafeTransport): + def __init__(self, timeout, use_datetime=0): + self.timeout = timeout + xmlrpclib.SafeTransport.__init__(self, use_datetime) + + def make_connection(self, host): + h, eh, kwargs = self.get_host_info(host) + if not kwargs: + kwargs = {} + kwargs['timeout'] = self.timeout + if _ver_info == (2, 6): + result = HTTPS(host, None, **kwargs) + else: + if not self._connection or host != self._connection[0]: + self._extra_headers = eh + self._connection = host, httplib.HTTPSConnection(h, None, + **kwargs) + result = self._connection[1] + return result + + +class ServerProxy(xmlrpclib.ServerProxy): + def __init__(self, uri, **kwargs): + self.timeout = timeout = kwargs.pop('timeout', None) + # The above classes only come into play if a timeout + # is specified + if timeout is not None: + scheme, _ = splittype(uri) + use_datetime = kwargs.get('use_datetime', 0) + if scheme == 'https': + tcls = SafeTransport + else: + tcls = Transport + kwargs['transport'] = t = tcls(timeout, use_datetime=use_datetime) + self.transport = t + xmlrpclib.ServerProxy.__init__(self, uri, **kwargs) + +# +# CSV functionality. This is provided because on 2.x, the csv module can't +# handle Unicode. However, we need to deal with Unicode in e.g. RECORD files. +# + +def _csv_open(fn, mode, **kwargs): + if sys.version_info[0] < 3: + mode += 'b' + else: + kwargs['newline'] = '' + return open(fn, mode, **kwargs) + + +class CSVBase(object): + defaults = { + 'delimiter': str(','), # The strs are used because we need native + 'quotechar': str('"'), # str in the csv API (2.x won't take + 'lineterminator': str('\n') # Unicode) + } + + def __enter__(self): + return self + + def __exit__(self, *exc_info): + self.stream.close() + + +class CSVReader(CSVBase): + def __init__(self, **kwargs): + if 'stream' in kwargs: + stream = kwargs['stream'] + if sys.version_info[0] >= 3: + # needs to be a text stream + stream = codecs.getreader('utf-8')(stream) + self.stream = stream + else: + self.stream = _csv_open(kwargs['path'], 'r') + self.reader = csv.reader(self.stream, **self.defaults) + + def __iter__(self): + return self + + def next(self): + result = next(self.reader) + if sys.version_info[0] < 3: + for i, item in enumerate(result): + if not isinstance(item, text_type): + result[i] = item.decode('utf-8') + return result + + __next__ = next + +class CSVWriter(CSVBase): + def __init__(self, fn, **kwargs): + self.stream = _csv_open(fn, 'w') + self.writer = csv.writer(self.stream, **self.defaults) + + def writerow(self, row): + if sys.version_info[0] < 3: + r = [] + for item in row: + if isinstance(item, text_type): + item = item.encode('utf-8') + r.append(item) + row = r + self.writer.writerow(row) + +# +# Configurator functionality +# + +class Configurator(BaseConfigurator): + + value_converters = dict(BaseConfigurator.value_converters) + value_converters['inc'] = 'inc_convert' + + def __init__(self, config, base=None): + super(Configurator, self).__init__(config) + self.base = base or os.getcwd() + + def configure_custom(self, config): + def convert(o): + if isinstance(o, (list, tuple)): + result = type(o)([convert(i) for i in o]) + elif isinstance(o, dict): + if '()' in o: + result = self.configure_custom(o) + else: + result = {} + for k in o: + result[k] = convert(o[k]) + else: + result = self.convert(o) + return result + + c = config.pop('()') + if not callable(c): + c = self.resolve(c) + props = config.pop('.', None) + # Check for valid identifiers + args = config.pop('[]', ()) + if args: + args = tuple([convert(o) for o in args]) + items = [(k, convert(config[k])) for k in config if valid_ident(k)] + kwargs = dict(items) + result = c(*args, **kwargs) + if props: + for n, v in props.items(): + setattr(result, n, convert(v)) + return result + + def __getitem__(self, key): + result = self.config[key] + if isinstance(result, dict) and '()' in result: + self.config[key] = result = self.configure_custom(result) + return result + + def inc_convert(self, value): + """Default converter for the inc:// protocol.""" + if not os.path.isabs(value): + value = os.path.join(self.base, value) + with codecs.open(value, 'r', encoding='utf-8') as f: + result = json.load(f) + return result + +# +# Mixin for running subprocesses and capturing their output +# + +class SubprocessMixin(object): + def __init__(self, verbose=False, progress=None): + self.verbose = verbose + self.progress = progress + + def reader(self, stream, context): + """ + Read lines from a subprocess' output stream and either pass to a progress + callable (if specified) or write progress information to sys.stderr. + """ + progress = self.progress + verbose = self.verbose + while True: + s = stream.readline() + if not s: + break + if progress is not None: + progress(s, context) + else: + if not verbose: + sys.stderr.write('.') + else: + sys.stderr.write(s.decode('utf-8')) + sys.stderr.flush() + stream.close() + + def run_command(self, cmd, **kwargs): + p = subprocess.Popen(cmd, stdout=subprocess.PIPE, + stderr=subprocess.PIPE, **kwargs) + t1 = threading.Thread(target=self.reader, args=(p.stdout, 'stdout')) + t1.start() + t2 = threading.Thread(target=self.reader, args=(p.stderr, 'stderr')) + t2.start() + p.wait() + t1.join() + t2.join() + if self.progress is not None: + self.progress('done.', 'main') + elif self.verbose: + sys.stderr.write('done.\n') + return p diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/version.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/version.py new file mode 100644 index 0000000..a219227 --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/version.py @@ -0,0 +1,698 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2012-2013 The Python Software Foundation. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +""" +Implementation of a flexible versioning scheme providing support for PEP-386, +distribute-compatible and semantic versioning. +""" + +import logging +import re + +from .compat import string_types + +__all__ = ['NormalizedVersion', 'NormalizedMatcher', + 'LegacyVersion', 'LegacyMatcher', + 'SemanticVersion', 'SemanticMatcher', + 'UnsupportedVersionError', 'get_scheme'] + +logger = logging.getLogger(__name__) + + +class UnsupportedVersionError(ValueError): + """This is an unsupported version.""" + pass + + +class Version(object): + def __init__(self, s): + self._string = s = s.strip() + self._parts = parts = self.parse(s) + assert isinstance(parts, tuple) + assert len(parts) > 0 + + def parse(self, s): + raise NotImplementedError('please implement in a subclass') + + def _check_compatible(self, other): + if type(self) != type(other): + raise TypeError('cannot compare %r and %r' % (self, other)) + + def __eq__(self, other): + self._check_compatible(other) + return self._parts == other._parts + + def __ne__(self, other): + return not self.__eq__(other) + + def __lt__(self, other): + self._check_compatible(other) + return self._parts < other._parts + + def __gt__(self, other): + return not (self.__lt__(other) or self.__eq__(other)) + + def __le__(self, other): + return self.__lt__(other) or self.__eq__(other) + + def __ge__(self, other): + return self.__gt__(other) or self.__eq__(other) + + # See http://docs.python.org/reference/datamodel#object.__hash__ + def __hash__(self): + return hash(self._parts) + + def __repr__(self): + return "%s('%s')" % (self.__class__.__name__, self._string) + + def __str__(self): + return self._string + + @property + def is_prerelease(self): + raise NotImplementedError('Please implement in subclasses.') + + +class Matcher(object): + version_class = None + + dist_re = re.compile(r"^(\w[\s\w'.-]*)(\((.*)\))?") + comp_re = re.compile(r'^(<=|>=|<|>|!=|==|~=)?\s*([^\s,]+)$') + num_re = re.compile(r'^\d+(\.\d+)*$') + + # value is either a callable or the name of a method + _operators = { + '<': lambda v, c, p: v < c, + '>': lambda v, c, p: v > c, + '<=': lambda v, c, p: v == c or v < c, + '>=': lambda v, c, p: v == c or v > c, + '==': lambda v, c, p: v == c, + # by default, compatible => >=. + '~=': lambda v, c, p: v == c or v > c, + '!=': lambda v, c, p: v != c, + } + + def __init__(self, s): + if self.version_class is None: + raise ValueError('Please specify a version class') + self._string = s = s.strip() + m = self.dist_re.match(s) + if not m: + raise ValueError('Not valid: %r' % s) + groups = m.groups('') + self.name = groups[0].strip() + self.key = self.name.lower() # for case-insensitive comparisons + clist = [] + if groups[2]: + constraints = [c.strip() for c in groups[2].split(',')] + for c in constraints: + m = self.comp_re.match(c) + if not m: + raise ValueError('Invalid %r in %r' % (c, s)) + groups = m.groups() + op = groups[0] or '~=' + s = groups[1] + if s.endswith('.*'): + if op not in ('==', '!='): + raise ValueError('\'.*\' not allowed for ' + '%r constraints' % op) + # Could be a partial version (e.g. for '2.*') which + # won't parse as a version, so keep it as a string + vn, prefix = s[:-2], True + if not self.num_re.match(vn): + # Just to check that vn is a valid version + self.version_class(vn) + else: + # Should parse as a version, so we can create an + # instance for the comparison + vn, prefix = self.version_class(s), False + clist.append((op, vn, prefix)) + self._parts = tuple(clist) + + def match(self, version): + """ + Check if the provided version matches the constraints. + + :param version: The version to match against this instance. + :type version: Strring or :class:`Version` instance. + """ + if isinstance(version, string_types): + version = self.version_class(version) + for operator, constraint, prefix in self._parts: + f = self._operators.get(operator) + if isinstance(f, string_types): + f = getattr(self, f) + if not f: + msg = ('%r not implemented ' + 'for %s' % (operator, self.__class__.__name__)) + raise NotImplementedError(msg) + if not f(version, constraint, prefix): + return False + return True + + @property + def exact_version(self): + result = None + if len(self._parts) == 1 and self._parts[0][0] == '==': + result = self._parts[0][1] + return result + + def _check_compatible(self, other): + if type(self) != type(other) or self.name != other.name: + raise TypeError('cannot compare %s and %s' % (self, other)) + + def __eq__(self, other): + self._check_compatible(other) + return self.key == other.key and self._parts == other._parts + + def __ne__(self, other): + return not self.__eq__(other) + + # See http://docs.python.org/reference/datamodel#object.__hash__ + def __hash__(self): + return hash(self.key) + hash(self._parts) + + def __repr__(self): + return "%s(%r)" % (self.__class__.__name__, self._string) + + def __str__(self): + return self._string + + +PEP426_VERSION_RE = re.compile(r'^(\d+\.\d+(\.\d+)*)((a|b|c|rc)(\d+))?' + r'(\.(post)(\d+))?(\.(dev)(\d+))?' + r'(-(\d+(\.\d+)?))?$') + + +def _pep426_key(s): + s = s.strip() + m = PEP426_VERSION_RE.match(s) + if not m: + raise UnsupportedVersionError('Not a valid version: %s' % s) + groups = m.groups() + nums = tuple(int(v) for v in groups[0].split('.')) + while len(nums) > 1 and nums[-1] == 0: + nums = nums[:-1] + + pre = groups[3:5] + post = groups[6:8] + dev = groups[9:11] + local = groups[12] + if pre == (None, None): + pre = () + else: + pre = pre[0], int(pre[1]) + if post == (None, None): + post = () + else: + post = post[0], int(post[1]) + if dev == (None, None): + dev = () + else: + dev = dev[0], int(dev[1]) + if local is None: + local = () + else: + local = tuple([int(s) for s in local.split('.')]) + if not pre: + # either before pre-release, or final release and after + if not post and dev: + # before pre-release + pre = ('a', -1) # to sort before a0 + else: + pre = ('z',) # to sort after all pre-releases + # now look at the state of post and dev. + if not post: + post = ('_',) # sort before 'a' + if not dev: + dev = ('final',) + + #print('%s -> %s' % (s, m.groups())) + return nums, pre, post, dev, local + + +_normalized_key = _pep426_key + + +class NormalizedVersion(Version): + """A rational version. + + Good: + 1.2 # equivalent to "1.2.0" + 1.2.0 + 1.2a1 + 1.2.3a2 + 1.2.3b1 + 1.2.3c1 + 1.2.3.4 + TODO: fill this out + + Bad: + 1 # mininum two numbers + 1.2a # release level must have a release serial + 1.2.3b + """ + def parse(self, s): + result = _normalized_key(s) + # _normalized_key loses trailing zeroes in the release + # clause, since that's needed to ensure that X.Y == X.Y.0 == X.Y.0.0 + # However, PEP 440 prefix matching needs it: for example, + # (~= 1.4.5.0) matches differently to (~= 1.4.5.0.0). + m = PEP426_VERSION_RE.match(s) # must succeed + groups = m.groups() + self._release_clause = tuple(int(v) for v in groups[0].split('.')) + return result + + PREREL_TAGS = set(['a', 'b', 'c', 'rc', 'dev']) + + @property + def is_prerelease(self): + return any(t[0] in self.PREREL_TAGS for t in self._parts if t) + + +def _match_prefix(x, y): + x = str(x) + y = str(y) + if x == y: + return True + if not x.startswith(y): + return False + n = len(y) + return x[n] == '.' + + +class NormalizedMatcher(Matcher): + version_class = NormalizedVersion + + # value is either a callable or the name of a method + _operators = { + '~=': '_match_compatible', + '<': '_match_lt', + '>': '_match_gt', + '<=': '_match_le', + '>=': '_match_ge', + '==': '_match_eq', + '!=': '_match_ne', + } + + def _match_lt(self, version, constraint, prefix): + if version >= constraint: + return False + release_clause = constraint._release_clause + pfx = '.'.join([str(i) for i in release_clause]) + return not _match_prefix(version, pfx) + + def _match_gt(self, version, constraint, prefix): + if version <= constraint: + return False + release_clause = constraint._release_clause + pfx = '.'.join([str(i) for i in release_clause]) + return not _match_prefix(version, pfx) + + def _match_le(self, version, constraint, prefix): + return version <= constraint + + def _match_ge(self, version, constraint, prefix): + return version >= constraint + + def _match_eq(self, version, constraint, prefix): + if not prefix: + result = (version == constraint) + else: + result = _match_prefix(version, constraint) + return result + + def _match_ne(self, version, constraint, prefix): + if not prefix: + result = (version != constraint) + else: + result = not _match_prefix(version, constraint) + return result + + def _match_compatible(self, version, constraint, prefix): + if version == constraint: + return True + if version < constraint: + return False + release_clause = constraint._release_clause + if len(release_clause) > 1: + release_clause = release_clause[:-1] + pfx = '.'.join([str(i) for i in release_clause]) + return _match_prefix(version, pfx) + +_REPLACEMENTS = ( + (re.compile('[.+-]$'), ''), # remove trailing puncts + (re.compile(r'^[.](\d)'), r'0.\1'), # .N -> 0.N at start + (re.compile('^[.-]'), ''), # remove leading puncts + (re.compile(r'^\((.*)\)$'), r'\1'), # remove parentheses + (re.compile(r'^v(ersion)?\s*(\d+)'), r'\2'), # remove leading v(ersion) + (re.compile(r'^r(ev)?\s*(\d+)'), r'\2'), # remove leading v(ersion) + (re.compile('[.]{2,}'), '.'), # multiple runs of '.' + (re.compile(r'\b(alfa|apha)\b'), 'alpha'), # misspelt alpha + (re.compile(r'\b(pre-alpha|prealpha)\b'), + 'pre.alpha'), # standardise + (re.compile(r'\(beta\)$'), 'beta'), # remove parentheses +) + +_SUFFIX_REPLACEMENTS = ( + (re.compile('^[:~._+-]+'), ''), # remove leading puncts + (re.compile('[,*")([\]]'), ''), # remove unwanted chars + (re.compile('[~:+_ -]'), '.'), # replace illegal chars + (re.compile('[.]{2,}'), '.'), # multiple runs of '.' + (re.compile(r'\.$'), ''), # trailing '.' +) + +_NUMERIC_PREFIX = re.compile(r'(\d+(\.\d+)*)') + + +def _suggest_semantic_version(s): + """ + Try to suggest a semantic form for a version for which + _suggest_normalized_version couldn't come up with anything. + """ + result = s.strip().lower() + for pat, repl in _REPLACEMENTS: + result = pat.sub(repl, result) + if not result: + result = '0.0.0' + + # Now look for numeric prefix, and separate it out from + # the rest. + #import pdb; pdb.set_trace() + m = _NUMERIC_PREFIX.match(result) + if not m: + prefix = '0.0.0' + suffix = result + else: + prefix = m.groups()[0].split('.') + prefix = [int(i) for i in prefix] + while len(prefix) < 3: + prefix.append(0) + if len(prefix) == 3: + suffix = result[m.end():] + else: + suffix = '.'.join([str(i) for i in prefix[3:]]) + result[m.end():] + prefix = prefix[:3] + prefix = '.'.join([str(i) for i in prefix]) + suffix = suffix.strip() + if suffix: + #import pdb; pdb.set_trace() + # massage the suffix. + for pat, repl in _SUFFIX_REPLACEMENTS: + suffix = pat.sub(repl, suffix) + + if not suffix: + result = prefix + else: + sep = '-' if 'dev' in suffix else '+' + result = prefix + sep + suffix + if not is_semver(result): + result = None + return result + + +def _suggest_normalized_version(s): + """Suggest a normalized version close to the given version string. + + If you have a version string that isn't rational (i.e. NormalizedVersion + doesn't like it) then you might be able to get an equivalent (or close) + rational version from this function. + + This does a number of simple normalizations to the given string, based + on observation of versions currently in use on PyPI. Given a dump of + those version during PyCon 2009, 4287 of them: + - 2312 (53.93%) match NormalizedVersion without change + with the automatic suggestion + - 3474 (81.04%) match when using this suggestion method + + @param s {str} An irrational version string. + @returns A rational version string, or None, if couldn't determine one. + """ + try: + _normalized_key(s) + return s # already rational + except UnsupportedVersionError: + pass + + rs = s.lower() + + # part of this could use maketrans + for orig, repl in (('-alpha', 'a'), ('-beta', 'b'), ('alpha', 'a'), + ('beta', 'b'), ('rc', 'c'), ('-final', ''), + ('-pre', 'c'), + ('-release', ''), ('.release', ''), ('-stable', ''), + ('+', '.'), ('_', '.'), (' ', ''), ('.final', ''), + ('final', '')): + rs = rs.replace(orig, repl) + + # if something ends with dev or pre, we add a 0 + rs = re.sub(r"pre$", r"pre0", rs) + rs = re.sub(r"dev$", r"dev0", rs) + + # if we have something like "b-2" or "a.2" at the end of the + # version, that is pobably beta, alpha, etc + # let's remove the dash or dot + rs = re.sub(r"([abc]|rc)[\-\.](\d+)$", r"\1\2", rs) + + # 1.0-dev-r371 -> 1.0.dev371 + # 0.1-dev-r79 -> 0.1.dev79 + rs = re.sub(r"[\-\.](dev)[\-\.]?r?(\d+)$", r".\1\2", rs) + + # Clean: 2.0.a.3, 2.0.b1, 0.9.0~c1 + rs = re.sub(r"[.~]?([abc])\.?", r"\1", rs) + + # Clean: v0.3, v1.0 + if rs.startswith('v'): + rs = rs[1:] + + # Clean leading '0's on numbers. + #TODO: unintended side-effect on, e.g., "2003.05.09" + # PyPI stats: 77 (~2%) better + rs = re.sub(r"\b0+(\d+)(?!\d)", r"\1", rs) + + # Clean a/b/c with no version. E.g. "1.0a" -> "1.0a0". Setuptools infers + # zero. + # PyPI stats: 245 (7.56%) better + rs = re.sub(r"(\d+[abc])$", r"\g<1>0", rs) + + # the 'dev-rNNN' tag is a dev tag + rs = re.sub(r"\.?(dev-r|dev\.r)\.?(\d+)$", r".dev\2", rs) + + # clean the - when used as a pre delimiter + rs = re.sub(r"-(a|b|c)(\d+)$", r"\1\2", rs) + + # a terminal "dev" or "devel" can be changed into ".dev0" + rs = re.sub(r"[\.\-](dev|devel)$", r".dev0", rs) + + # a terminal "dev" can be changed into ".dev0" + rs = re.sub(r"(?![\.\-])dev$", r".dev0", rs) + + # a terminal "final" or "stable" can be removed + rs = re.sub(r"(final|stable)$", "", rs) + + # The 'r' and the '-' tags are post release tags + # 0.4a1.r10 -> 0.4a1.post10 + # 0.9.33-17222 -> 0.9.33.post17222 + # 0.9.33-r17222 -> 0.9.33.post17222 + rs = re.sub(r"\.?(r|-|-r)\.?(\d+)$", r".post\2", rs) + + # Clean 'r' instead of 'dev' usage: + # 0.9.33+r17222 -> 0.9.33.dev17222 + # 1.0dev123 -> 1.0.dev123 + # 1.0.git123 -> 1.0.dev123 + # 1.0.bzr123 -> 1.0.dev123 + # 0.1a0dev.123 -> 0.1a0.dev123 + # PyPI stats: ~150 (~4%) better + rs = re.sub(r"\.?(dev|git|bzr)\.?(\d+)$", r".dev\2", rs) + + # Clean '.pre' (normalized from '-pre' above) instead of 'c' usage: + # 0.2.pre1 -> 0.2c1 + # 0.2-c1 -> 0.2c1 + # 1.0preview123 -> 1.0c123 + # PyPI stats: ~21 (0.62%) better + rs = re.sub(r"\.?(pre|preview|-c)(\d+)$", r"c\g<2>", rs) + + # Tcl/Tk uses "px" for their post release markers + rs = re.sub(r"p(\d+)$", r".post\1", rs) + + try: + _normalized_key(rs) + except UnsupportedVersionError: + rs = None + return rs + +# +# Legacy version processing (distribute-compatible) +# + +_VERSION_PART = re.compile(r'([a-z]+|\d+|[\.-])', re.I) +_VERSION_REPLACE = { + 'pre': 'c', + 'preview': 'c', + '-': 'final-', + 'rc': 'c', + 'dev': '@', + '': None, + '.': None, +} + + +def _legacy_key(s): + def get_parts(s): + result = [] + for p in _VERSION_PART.split(s.lower()): + p = _VERSION_REPLACE.get(p, p) + if p: + if '0' <= p[:1] <= '9': + p = p.zfill(8) + else: + p = '*' + p + result.append(p) + result.append('*final') + return result + + result = [] + for p in get_parts(s): + if p.startswith('*'): + if p < '*final': + while result and result[-1] == '*final-': + result.pop() + while result and result[-1] == '00000000': + result.pop() + result.append(p) + return tuple(result) + + +class LegacyVersion(Version): + def parse(self, s): + return _legacy_key(s) + + PREREL_TAGS = set( + ['*a', '*alpha', '*b', '*beta', '*c', '*rc', '*r', '*@', '*pre'] + ) + + @property + def is_prerelease(self): + return any(x in self.PREREL_TAGS for x in self._parts) + + +class LegacyMatcher(Matcher): + version_class = LegacyVersion + + _operators = dict(Matcher._operators) + _operators['~='] = '_match_compatible' + + numeric_re = re.compile('^(\d+(\.\d+)*)') + + def _match_compatible(self, version, constraint, prefix): + if version < constraint: + return False + m = self.numeric_re.match(str(constraint)) + if not m: + logger.warning('Cannot compute compatible match for version %s ' + ' and constraint %s', version, constraint) + return True + s = m.groups()[0] + if '.' in s: + s = s.rsplit('.', 1)[0] + return _match_prefix(version, s) + +# +# Semantic versioning +# + +_SEMVER_RE = re.compile(r'^(\d+)\.(\d+)\.(\d+)' + r'(-[a-z0-9]+(\.[a-z0-9-]+)*)?' + r'(\+[a-z0-9]+(\.[a-z0-9-]+)*)?$', re.I) + + +def is_semver(s): + return _SEMVER_RE.match(s) + + +def _semantic_key(s): + def make_tuple(s, absent): + if s is None: + result = (absent,) + else: + parts = s[1:].split('.') + # We can't compare ints and strings on Python 3, so fudge it + # by zero-filling numeric values so simulate a numeric comparison + result = tuple([p.zfill(8) if p.isdigit() else p for p in parts]) + return result + + m = is_semver(s) + if not m: + raise UnsupportedVersionError(s) + groups = m.groups() + major, minor, patch = [int(i) for i in groups[:3]] + # choose the '|' and '*' so that versions sort correctly + pre, build = make_tuple(groups[3], '|'), make_tuple(groups[5], '*') + return (major, minor, patch), pre, build + + +class SemanticVersion(Version): + def parse(self, s): + return _semantic_key(s) + + @property + def is_prerelease(self): + return self._parts[1][0] != '|' + + +class SemanticMatcher(Matcher): + version_class = SemanticVersion + + +class VersionScheme(object): + def __init__(self, key, matcher, suggester=None): + self.key = key + self.matcher = matcher + self.suggester = suggester + + def is_valid_version(self, s): + try: + self.matcher.version_class(s) + result = True + except UnsupportedVersionError: + result = False + return result + + def is_valid_matcher(self, s): + try: + self.matcher(s) + result = True + except UnsupportedVersionError: + result = False + return result + + def is_valid_constraint_list(self, s): + """ + Used for processing some metadata fields + """ + return self.is_valid_matcher('dummy_name (%s)' % s) + + def suggest(self, s): + if self.suggester is None: + result = None + else: + result = self.suggester(s) + return result + +_SCHEMES = { + 'normalized': VersionScheme(_normalized_key, NormalizedMatcher, + _suggest_normalized_version), + 'legacy': VersionScheme(_legacy_key, LegacyMatcher, lambda self, s: s), + 'semantic': VersionScheme(_semantic_key, SemanticMatcher, + _suggest_semantic_version), +} + +_SCHEMES['default'] = _SCHEMES['normalized'] + + +def get_scheme(name): + if name not in _SCHEMES: + raise ValueError('unknown scheme name: %r' % name) + return _SCHEMES[name] diff --git a/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/wheel.py b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/wheel.py new file mode 100644 index 0000000..6dbca81 --- /dev/null +++ b/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/distlib/wheel.py @@ -0,0 +1,723 @@ +# -*- coding: utf-8 -*- +# +# Copyright (C) 2013 Vinay Sajip. +# Licensed to the Python Software Foundation under a contributor agreement. +# See LICENSE.txt and CONTRIBUTORS.txt. +# +from __future__ import unicode_literals + +import base64 +import codecs +import datetime +import distutils.util +from email import message_from_file +import hashlib +import imp +import json +import logging +import os +import posixpath +import re +import shutil +import sys +import tempfile +import zipfile + +from . import __version__, DistlibException +from .compat import sysconfig, ZipFile, fsdecode, text_type, filter +from .database import InstalledDistribution +from .metadata import Metadata, METADATA_FILENAME +from .util import (FileOperator, convert_path, CSVReader, CSVWriter, + cached_property, get_cache_base, read_exports) + + +logger = logging.getLogger(__name__) + + +if hasattr(sys, 'pypy_version_info'): + IMP_PREFIX = 'pp' +elif sys.platform.startswith('java'): + IMP_PREFIX = 'jy' +elif sys.platform == 'cli': + IMP_PREFIX = 'ip' +else: + IMP_PREFIX = 'cp' + +VER_SUFFIX = sysconfig.get_config_var('py_version_nodot') +if not VER_SUFFIX: # pragma: no cover + VER_SUFFIX = '%s%s' % sys.version_info[:2] +PYVER = 'py' + VER_SUFFIX +IMPVER = IMP_PREFIX + VER_SUFFIX + +ARCH = distutils.util.get_platform().replace('-', '_').replace('.', '_') + +ABI = sysconfig.get_config_var('SOABI') +if ABI and ABI.startswith('cpython-'): + ABI = ABI.replace('cpython-', 'cp') +else: + ABI = 'none' + +FILENAME_RE = re.compile(r''' +(?P<nm>[^-]+) +-(?P<vn>\d+[^-]*) +(-(?P<bn>\d+[^-]*))? +-(?P<py>\w+\d+(\.\w+\d+)*) +-(?P<bi>\w+) +-(?P<ar>\w+) +\.whl$ +''', re.IGNORECASE | re.VERBOSE) + +NAME_VERSION_RE = re.compile(r''' +(?P<nm>[^-]+) +-(?P<vn>\d+[^-]*) +(-(?P<bn>\d+[^-]*))?$ +''', re.IGNORECASE | re.VERBOSE) + +SHEBANG_RE = re.compile(br'\s*#![^\r\n]*') + +if os.sep == '/': + to_posix = lambda o: o +else: + to_posix = lambda o: o.replace(os.sep, '/') + + +class Mounter(object): + def __init__(self): + self.impure_wheels = {} + self.libs = {} + + def add(self, pathname, extensions): + self.impure_wheels[pathname] = extensions + self.libs.update(extensions) + + def remove(self, pathname): + extensions = self.impure_wheels.pop(pathname) + for k, v in extensions: + if k in self.libs: + del self.libs[k] + + def find_module(self, fullname, path=None): + if fullname in self.libs: + result = self + else: + result = None + return result + + def load_module(self, fullname): + if fullname in sys.modules: + result = sys.modules[fullname] + else: + if fullname not in self.libs: + raise ImportError('unable to find extension for %s' % fullname) + result = imp.load_dynamic(fullname, self.libs[fullname]) + result.__loader__ = self + parts = fullname.rsplit('.', 1) + if len(parts) > 1: + result.__package__ = parts[0] + return result + +_hook = Mounter() + + +class Wheel(object): + """ + Class to build and install from Wheel files (PEP 427). + """ + + wheel_version = (1, 1) + hash_kind = 'sha256' + + def __init__(self, filename=None, sign=False, verify=False): + """ + Initialise an instance using a (valid) filename. + """ + self.sign = sign + self.verify = verify + self.buildver = '' + self.pyver = [PYVER] + self.abi = ['none'] + self.arch = ['any'] + self.dirname = os.getcwd() + if filename is None: + self.name = 'dummy' + self.version = '0.1' + self._filename = self.filename + else: + m = NAME_VERSION_RE.match(filename) + if m: + info = m.groupdict('') + self.name = info['nm'] + self.version = info['vn'] + self.buildver = info['bn'] + self._filename = self.filename + else: + dirname, filename = os.path.split(filename) + m = FILENAME_RE.match(filename) + if not m: + raise DistlibException('Invalid name or ' + 'filename: %r' % filename) + if dirname: + self.dirname = os.path.abspath(dirname) + self._filename = filename + info = m.groupdict('') + self.name = info['nm'] + self.version = info['vn'] + self.buildver = info['bn'] + self.pyver = info['py'].split('.') + self.abi = info['bi'].split('.') + self.arch = info['ar'].split('.') + + @property + def filename(self): + """ + Build and return a filename from the various components. + """ + if self.buildver: + buildver = '-' + self.buildver + else: + buildver = '' + pyver = '.'.join(self.pyver) + abi = '.'.join(self.abi) + arch = '.'.join(self.arch) + return '%s-%s%s-%s-%s-%s.whl' % (self.name, self.version, buildver, + pyver, abi, arch) + + @property + def tags(self): + for pyver in self.pyver: + for abi in self.abi: + for arch in self.arch: + yield pyver, abi, arch + + @cached_property + def metadata(self): + pathname = os.path.join(self.dirname, self.filename) + name_ver = '%s-%s' % (self.name, self.version) + info_dir = '%s.dist-info' % name_ver + wrapper = codecs.getreader('utf-8') + metadata_filename = posixpath.join(info_dir, METADATA_FILENAME) + with ZipFile(pathname, 'r') as zf: + try: + with zf.open(metadata_filename) as bf: + wf = wrapper(bf) + result = Metadata(fileobj=wf) + except KeyError: + raise ValueError('Invalid wheel, because %s is ' + 'missing' % METADATA_FILENAME) + return result + + @cached_property + def info(self): + pathname = os.path.join(self.dirname, self.filename) + name_ver = '%s-%s' % (self.name, self.version) + info_dir = '%s.dist-info' % name_ver + metadata_filename = posixpath.join(info_dir, 'WHEEL') + wrapper = codecs.getreader('utf-8') + with ZipFile(pathname, 'r') as zf: + with zf.open(metadata_filename) as bf: + wf = wrapper(bf) + message = message_from_file(wf) + result = dict(message) + return result + + def process_shebang(self, data): + m = SHEBANG_RE.match(data) + if m: + data = b'#!python' + data[m.end():] + else: + cr = data.find(b'\r') + lf = data.find(b'\n') + if cr < 0 or cr > lf: + term = b'\n' + else: + if data[cr:cr + 2] == b'\r\n': + term = b'\r\n' + else: + term = b'\r' + data = b'#!python' + term + data + return data + + def get_hash(self, data, hash_kind=None): + if hash_kind is None: + hash_kind = self.hash_kind + try: + hasher = getattr(hashlib, hash_kind) + except AttributeError: + raise DistlibException('Unsupported hash algorithm: %r' % hash_kind) + result = hasher(data).digest() + result = base64.urlsafe_b64encode(result).rstrip(b'=').decode('ascii') + return hash_kind, result + + def write_record(self, records, record_path, base): + with CSVWriter(record_path) as writer: + for row in records: + writer.writerow(row) + p = to_posix(os.path.relpath(record_path, base)) + writer.writerow((p, '', '')) + + def build(self, paths, tags=None, wheel_version=None): + """ + Build a wheel from files in specified paths, and use any specified tags + when determining the name of the wheel. + """ + if tags is None: + tags = {} + + libkey = list(filter(lambda o: o in paths, ('purelib', 'platlib')))[0] + if libkey == 'platlib': + is_pure = 'false' + default_pyver = [IMPVER] + default_abi = [ABI] + default_arch = [ARCH] + else: + is_pure = 'true' + default_pyver = [PYVER] + default_abi = ['none'] + default_arch = ['any'] + + self.pyver = tags.get('pyver', default_pyver) + self.abi = tags.get('abi', default_abi) + self.arch = tags.get('arch', default_arch) + + libdir = paths[libkey] + + name_ver = '%s-%s' % (self.name, self.version) + data_dir = '%s.data' % name_ver + info_dir = '%s.dist-info' % name_ver + + archive_paths = [] + + # First, stuff which is not in site-packages + for key in ('data', 'headers', 'scripts'): + if key not in paths: + continue + path = paths[key] + if os.path.isdir(path): + for root, dirs, files in os.walk(path): + for fn in files: + p = fsdecode(os.path.join(root, fn)) + rp = os.path.relpath(p, path) + ap = to_posix(os.path.join(data_dir, key, rp)) + archive_paths.append((ap, p)) + if key == 'scripts' and not p.endswith('.exe'): + with open(p, 'rb') as f: + data = f.read() + data = self.process_shebang(data) + with open(p, 'wb') as f: + f.write(data) + + # Now, stuff which is in site-packages, other than the + # distinfo stuff. + path = libdir + distinfo = None + for root, dirs, files in os.walk(path): + if root == path: + # At the top level only, save distinfo for later + # and skip it for now + for i, dn in enumerate(dirs): + dn = fsdecode(dn) + if dn.endswith('.dist-info'): + distinfo = os.path.join(root, dn) + del dirs[i] + break + assert distinfo, '.dist-info directory expected, not found' + + for fn in files: + # comment out next suite to leave .pyc files in + if fsdecode(fn).endswith(('.pyc', '.pyo')): + continue + p = os.path.join(root, fn) + rp = to_posix(os.path.relpath(p, path)) + archive_paths.append((rp, p)) + + # Now distinfo. Assumed to be flat, i.e. os.listdir is enough. + files = os.listdir(distinfo) + for fn in files: + if fn not in ('RECORD', 'INSTALLER', 'SHARED'): + p = fsdecode(os.path.join(distinfo, fn)) + ap = to_posix(os.path.join(info_dir, fn)) + archive_paths.append((ap, p)) + + wheel_metadata = [ + 'Wheel-Version: %d.%d' % (wheel_version or self.wheel_version), + 'Generator: distlib %s' % __version__, + 'Root-Is-Purelib: %s' % is_pure, + ] + for pyver, abi, arch in self.tags: + wheel_metadata.append('Tag: %s-%s-%s' % (pyver, abi, arch)) + p = os.path.join(distinfo, 'WHEEL') + with open(p, 'w') as f: + f.write('\n'.join(wheel_metadata)) + ap = to_posix(os.path.join(info_dir, 'WHEEL')) + archive_paths.append((ap, p)) + + # Now, at last, RECORD. + # Paths in here are archive paths - nothing else makes sense. + records = [] + hasher = getattr(hashlib, self.hash_kind) + for ap, p in archive_paths: + with open(p, 'rb') as f: + data = f.read() + digest = '%s=%s' % self.get_hash(data) + size = os.path.getsize(p) + records.append((ap, digest, size)) + + p = os.path.join(distinfo, 'RECORD') + self.write_record(records, p, libdir) + ap = to_posix(os.path.join(info_dir, 'RECORD')) + archive_paths.append((ap, p)) + # Now, ready to build the zip file + pathname = os.path.join(self.dirname, self.filename) + with ZipFile(pathname, 'w', zipfile.ZIP_DEFLATED) as zf: + for ap, p in archive_paths: + logger.debug('Wrote %s to %s in wheel', p, ap) + zf.write(p, ap) + return pathname + + def install(self, paths, maker, **kwargs): + """ + Install a wheel to the specified paths. If kwarg ``warner`` is + specified, it should be a callable, which will be called with two + tuples indicating the wheel version of this software and the wheel + version in the file, if there is a discrepancy in the versions. + This can be used to issue any warnings to raise any exceptions. + If kwarg ``lib_only`` is True, only the purelib/platlib files are + installed, and the headers, scripts, data and dist-info metadata are + not written. + + The return value is a :class:`InstalledDistribution` instance unless + ``options.lib_only`` is True, in which case the return value is ``None``. + """ + + dry_run = maker.dry_run + warner = kwargs.get('warner') + lib_only = kwargs.get('lib_only', False) + + pathname = os.path.join(self.dirname, self.filename) + name_ver = '%s-%s' % (self.name, self.version) + data_dir = '%s.data' % name_ver + info_dir = '%s.dist-info' % name_ver + + metadata_name = posixpath.join(info_dir, METADATA_FILENAME) + wheel_metadata_name = posixpath.join(info_dir, 'WHEEL') + record_name = posixpath.join(info_dir, 'RECORD') + + wrapper = codecs.getreader('utf-8') + + with ZipFile(pathname, 'r') as zf: + with zf.open(wheel_metadata_name) as bwf: + wf = wrapper(bwf) + message = message_from_file(wf) + wv = message['Wheel-Version'].split('.', 1) + file_version = tuple([int(i) for i in wv]) + if (file_version != self.wheel_version) and warner: + warner(self.wheel_version, file_version) + + if message['Root-Is-Purelib'] == 'true': + libdir = paths['purelib'] + else: + libdir = paths['platlib'] + + records = {} + with zf.open(record_name) as bf: + with CSVReader(stream=bf) as reader: + for row in reader: + p = row[0] + records[p] = row + + data_pfx = posixpath.join(data_dir, '') + info_pfx = posixpath.join(info_dir, '') + script_pfx = posixpath.join(data_dir, 'scripts', '') + + # make a new instance rather than a copy of maker's, + # as we mutate it + fileop = FileOperator(dry_run=dry_run) + fileop.record = True # so we can rollback if needed + + bc = not sys.dont_write_bytecode # Double negatives. Lovely! + + outfiles = [] # for RECORD writing + + # for script copying/shebang processing + workdir = tempfile.mkdtemp() + # set target dir later + # we default add_launchers to False, as the + # Python Launcher should be used instead + maker.source_dir = workdir + maker.target_dir = None + try: + for zinfo in zf.infolist(): + arcname = zinfo.filename + if isinstance(arcname, text_type): + u_arcname = arcname + else: + u_arcname = arcname.decode('utf-8') + # The signature file won't be in RECORD, + # and we don't currently don't do anything with it + if u_arcname.endswith('/RECORD.jws'): + continue + row = records[u_arcname] + if row[2] and str(zinfo.file_size) != row[2]: + raise DistlibException('size mismatch for ' + '%s' % u_arcname) + if row[1]: + kind, value = row[1].split('=', 1) + with zf.open(arcname) as bf: + data = bf.read() + _, digest = self.get_hash(data, kind) + if digest != value: + raise DistlibException('digest mismatch for ' + '%s' % arcname) + + if lib_only and u_arcname.startswith((info_pfx, data_pfx)): + logger.debug('lib_only: skipping %s', u_arcname) + continue + is_script = (u_arcname.startswith(script_pfx) + and not u_arcname.endswith('.exe')) + + if u_arcname.startswith(data_pfx): + _, where, rp = u_arcname.split('/', 2) + outfile = os.path.join(paths[where], convert_path(rp)) + else: + # meant for site-packages. + if u_arcname in (wheel_metadata_name, record_name): + continue + outfile = os.path.join(libdir, convert_path(u_arcname)) + if not is_script: + with zf.open(arcname) as bf: + fileop.copy_stream(bf, outfile) + outfiles.append(outfile) + # Double check the digest of the written file + if not dry_run and row[1]: + with open(outfile, 'rb') as bf: + data = bf.read() + _, newdigest = self.get_hash(data, kind) + if newdigest != digest: + raise DistlibException('digest mismatch ' + 'on write for ' + '%s' % outfile) + if bc and outfile.endswith('.py'): + try: + pyc = fileop.byte_compile(outfile) + outfiles.append(pyc) + except Exception: + # Don't give up if byte-compilation fails, + # but log it and perhaps warn the user + logger.warning('Byte-compilation failed', + exc_info=True) + else: + fn = os.path.basename(convert_path(arcname)) + workname = os.path.join(workdir, fn) + with zf.open(arcname) as bf: + fileop.copy_stream(bf, workname) + + dn, fn = os.path.split(outfile) + maker.target_dir = dn + filenames = maker.make(fn) + fileop.set_executable_mode(filenames) + outfiles.extend(filenames) + + if lib_only: + logger.debug('lib_only: returning None') + dist = None + else: + # Generate scripts + + # Try to get pydist.json so we can see if there are + # any commands to generate. If this fails (e.g. because + # of a legacy wheel), log a warning but don't give up. + commands = None + file_version = self.info['Wheel-Version'] + if file_version == '1.0': + # Use legacy info + ep = posixpath.join(info_dir, 'entry_points.txt') + try: + with zf.open(ep) as bwf: + epdata = read_exports(bwf) + commands = {} + for key in ('console', 'gui'): + k = '%s_scripts' % key + if k in epdata: + commands['wrap_%s' % key] = d = {} + for v in epdata[k].values(): + s = '%s:%s' % (v.prefix, v.suffix) + if v.flags: + s += ' %s' % v.flags + d[v.name] = s + except Exception: + logger.warning('Unable to read legacy script ' + 'metadata, so cannot generate ' + 'scripts') + else: + try: + with zf.open(metadata_name) as bwf: + wf = wrapper(bwf) + commands = json.load(wf).get('commands') + except Exception: + logger.warning('Unable to read JSON metadata, so ' + 'cannot generate scripts') + if commands: + console_scripts = commands.get('wrap_console', {}) + gui_scripts = commands.get('wrap_gui', {}) + if console_scripts or gui_scripts: + script_dir = paths.get('scripts', '') + if not os.path.isdir(script_dir): + raise ValueError('Valid script path not ' + 'specified') + maker.target_dir = script_dir + for k, v in console_scripts.items(): + script = '%s = %s' % (k, v) + filenames = maker.make(script) + fileop.set_executable_mode(filenames) + + if gui_scripts: + options = {'gui': True } + for k, v in gui_scripts.items(): + script = '%s = %s' % (k, v) + filenames = maker.make(script, options) + fileop.set_executable_mode(filenames) + + p = os.path.join(libdir, info_dir) + dist = InstalledDistribution(p) + + # Write SHARED + paths = dict(paths) # don't change passed in dict + del paths['purelib'] + del paths['platlib'] + paths['lib'] = libdir + p = dist.write_shared_locations(paths, dry_run) + if p: + outfiles.append(p) + + # Write RECORD + dist.write_installed_files(outfiles, paths['prefix'], + dry_run) + return dist + except Exception: # pragma: no cover + logger.exception('installation failed.') + fileop.rollback() + raise + finally: + shutil.rmtree(workdir) + + def _get_dylib_cache(self): + # Use native string to avoid issues on 2.x: see Python #20140. + result = os.path.join(get_cache_base(), str('dylib-cache'), sys.version[:3]) + if not os.path.isdir(result): + os.makedirs(result) + return result + + def _get_extensions(self): + pathname = os.path.join(self.dirname, self.filename) + name_ver = '%s-%s' % (self.name, self.version) + info_dir = '%s.dist-info' % name_ver + arcname = posixpath.join(info_dir, 'EXTENSIONS') + wrapper = codecs.getreader('utf-8') + result = [] + with ZipFile(pathname, 'r') as zf: + try: + with zf.open(arcname) as bf: + wf = wrapper(bf) + extensions = json.load(wf) + cache_base = self._get_dylib_cache() + for name, relpath in extensions.items(): + dest = os.path.join(cache_base, convert_path(relpath)) + if not os.path.exists(dest): + extract = True + else: + file_time = os.stat(dest).st_mtime + file_time = datetime.datetime.fromtimestamp(file_time) + info = zf.getinfo(relpath) + wheel_time = datetime.datetime(*info.date_time) + extract = wheel_time > file_time + if extract: + zf.extract(relpath, cache_base) + result.append((name, dest)) + except KeyError: + pass + return result + + def mount(self, append=False): + pathname = os.path.abspath(os.path.join(self.dirname, self.filename)) + if not is_compatible(self): + msg = 'Wheel %s not mountable in this Python.' % pathname + raise DistlibException(msg) + if pathname in sys.path: + logger.debug('%s already in path', pathname) + else: + if append: + sys.path.append(pathname) + else: + sys.path.insert(0, pathname) + extensions = self._get_extensions() + if extensions: + if _hook not in sys.meta_path: + sys.meta_path.append(_hook) + _hook.add(pathname, extensions) + + def unmount(self): + pathname = os.path.abspath(os.path.join(self.dirname, self.filename)) + if pathname not in sys.path: + logger.debug('%s not in path', pathname) + else: + sys.path.remove(pathname) + if pathname in _hook.impure_wheels: + _hook.remove(pathname) + if not _hook.impure_wheels: + if _hook in sys.meta_path: + sys.meta_path.remove(_hook) + + +def compatible_tags(): + """ + Return (pyver, abi, arch) tuples compatible with this Python. + """ + versions = [VER_SUFFIX] + major = VER_SUFFIX[0] + for minor in range(sys.version_info[1] - 1, - 1, -1): + versions.append(''.join([major, str(minor)])) + + abis = [] + for suffix, _, _ in imp.get_suffixes(): + if suffix.startswith('.abi'): + abis.append(suffix.split('.', 2)[1]) + abis.sort() + if ABI != 'none': + abis.insert(0, ABI) + abis.append('none') + result = [] + + # Most specific - our Python version, ABI and arch + for abi in abis: + result.append((''.join((IMP_PREFIX, versions[0])), abi, ARCH)) + + # where no ABI / arch dependency, but IMP_PREFIX dependency + for i, version in enumerate(versions): + result.append((''.join((IMP_PREFIX, version)), 'none', 'any')) + if i == 0: + result.append((''.join((IMP_PREFIX, version[0])), 'none', 'any')) + + # no IMP_PREFIX, ABI or arch dependency + for i, version in enumerate(versions): + result.append((''.join(('py', version)), 'none', 'any')) + if i == 0: + result.append((''.join(('py', version[0])), 'none', 'any')) + return result + + +COMPATIBLE_TAGS = compatible_tags() + +del compatible_tags + + +def is_compatible(wheel, tags=None): + if not isinstance(wheel, Wheel): + wheel = Wheel(wheel) # assume it's a filename + result = False + if tags is None: + tags = COMPATIBLE_TAGS + for ver, abi, arch in tags: + if ver in wheel.pyver and abi in wheel.abi and arch in wheel.arch: + result = True + break + return result |