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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)
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