from glob import glob from distutils.util import convert_path import distutils.command.build_py as orig import os import sys import fnmatch import textwrap try: from setuptools.lib2to3_ex import Mixin2to3 except ImportError: class Mixin2to3: def run_2to3(self, files, doctests=True): "do nothing" class build_py(orig.build_py, Mixin2to3): """Enhanced 'build_py' command that includes data files with packages The data files are specified via a 'package_data' argument to 'setup()'. See 'setuptools.dist.Distribution' for more details. Also, this version of the 'build_py' command allows you to specify both 'py_modules' and 'packages' in the same setup operation. """ def finalize_options(self): orig.build_py.finalize_options(self) self.package_data = self.distribution.package_data self.exclude_package_data = (self.distribution.exclude_package_data or {}) if 'data_files' in self.__dict__: del self.__dict__['data_files'] self.__updated_files = [] self.__doctests_2to3 = [] def run(self): """Build modules, packages, and copy data files to build directory""" if not self.py_modules and not self.packages: return if self.py_modules: self.build_modules() if self.packages: self.build_packages() self.build_package_data() self.run_2to3(self.__updated_files, False) self.run_2to3(self.__updated_files, True) self.run_2to3(self.__doctests_2to3, True) # Only compile actual .py files, using our base class' idea of what our # output files are. self.byte_compile(orig.build_py.get_outputs(self, include_bytecode=0)) def __getattr__(self, attr): if attr == 'data_files': # lazily compute data files self.data_files = files = self._get_data_files() return files return orig.build_py.__getattr__(self, attr) def build_module(self, module, module_file, package): outfile, copied = orig.build_py.build_module(self, module, module_file, package) if copied: self.__updated_files.append(outfile) return outfile, copied def _get_data_files(self): """Generate list of '(package,src_dir,build_dir,filenames)' tuples""" self.analyze_manifest() data = [] for package in self.packages or (): # Locate package source directory src_dir = self.get_package_dir(package) # Compute package build directory build_dir = os.path.join(*([self.build_lib] + package.split('.'))) # Length of path to strip from found files plen = len(src_dir) + 1 # Strip directory from globbed filenames filenames = [ file[plen:] for file in self.find_data_files(package, src_dir) ] data.append((package, src_dir, build_dir, filenames)) return data def find_data_files(self, package, src_dir): """Return filenames for package's data files in 'src_dir'""" globs = (self.package_data.get('', []) + self.package_data.get(package, [])) files = self.manifest_files.get(package, [])[:] for pattern in globs: # Each pattern has to be converted to a platform-specific path files.extend(glob(os.path.join(src_dir, convert_path(pattern)))) return self.exclude_data_files(package, src_dir, files) def build_package_data(self): """Copy data files into build directory""" for package, src_dir, build_dir, filenames in self.data_files: for filename in filenames: target = os.path.join(build_dir, filename) self.mkpath(os.path.dirname(target)) srcfile = os.path.join(src_dir, filename) outf, copied = self.copy_file(srcfile, target) srcfile = os.path.abspath(srcfile) if (copied and srcfile in self.distribution.convert_2to3_doctests): self.__doctests_2to3.append(outf) def analyze_manifest(self): self.manifest_files = mf = {} if not self.distribution.include_package_data: return src_dirs = {} for package in self.packages or (): # Locate package source directory src_dirs[assert_relative(self.get_package_dir(package))] = package self.run_command('egg_info') ei_cmd = self.get_finalized_command('egg_info') for path in ei_cmd.filelist.files: d, f = os.path.split(assert_relative(path)) prev = None oldf = f while d and d != prev and d not in src_dirs: prev = d d, df = os.path.split(d) f = os.path.join(df, f) if d in src_dirs: if path.endswith('.py') and f == oldf: continue # it's a module, not data mf.setdefault(src_dirs[d], []).append(path) def get_data_files(self): pass # Lazily compute data files in _get_data_files() function. def check_package(self, package, package_dir): """Check namespace packages' __init__ for declare_namespace""" try: return self.packages_checked[package] except KeyError: pass init_py = orig.build_py.check_package(self, package, package_dir) self.packages_checked[package] = init_py if not init_py or not self.distribution.namespace_packages: return init_py for pkg in self.distribution.namespace_packages: if pkg == package or pkg.startswith(package + '.'): break else: return init_py f = open(init_py, 'rbU') if 'declare_namespace'.encode() not in f.read(): from distutils.errors import DistutilsError raise DistutilsError( "Namespace package problem: %s is a namespace package, but " "its\n__init__.py does not call declare_namespace()! Please " 'fix it.\n(See the setuptools manual under ' '"Namespace Packages" for details.)\n"' % (package,) ) f.close() return init_py def initialize_options(self): self.packages_checked = {} orig.build_py.initialize_options(self) def get_package_dir(self, package): res = orig.build_py.get_package_dir(self, package) if self.distribution.src_root is not None: return os.path.join(self.distribution.src_root, res) return res def exclude_data_files(self, package, src_dir, files): """Filter filenames for package's data files in 'src_dir'""" globs = (self.exclude_package_data.get('', []) + self.exclude_package_data.get(package, [])) bad = [] for pattern in globs: bad.extend( fnmatch.filter( files, os.path.join(src_dir, convert_path(pattern)) ) ) bad = dict.fromkeys(bad) seen = {} return [ f for f in files if f not in bad and f not in seen and seen.setdefault(f, 1) # ditch dupes ] def assert_relative(path): if not os.path.isabs(path): return path from distutils.errors import DistutilsSetupError msg = textwrap.dedent(""" Error: setup script specifies an absolute path: %s setup() arguments must *always* be /-separated paths relative to the setup.py directory, *never* absolute paths. """).lstrip() % path raise DistutilsSetupError(msg)