243 lines
7.3 KiB
Python
243 lines
7.3 KiB
Python
"""Extensions to the 'distutils' for large or complex distributions"""
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from fnmatch import fnmatchcase
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import functools
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import os
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import re
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import _distutils_hack.override # noqa: F401
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import distutils.core
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from distutils.errors import DistutilsOptionError
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from distutils.util import convert_path
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from ._deprecation_warning import SetuptoolsDeprecationWarning
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import setuptools.version
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from setuptools.extension import Extension
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from setuptools.dist import Distribution
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from setuptools.depends import Require
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from . import monkey
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__all__ = [
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'setup',
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'Distribution',
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'Command',
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'Extension',
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'Require',
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'SetuptoolsDeprecationWarning',
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'find_packages',
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'find_namespace_packages',
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]
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__version__ = setuptools.version.__version__
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bootstrap_install_from = None
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class PackageFinder:
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"""
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Generate a list of all Python packages found within a directory
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"""
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@classmethod
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def find(cls, where='.', exclude=(), include=('*',)):
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"""Return a list all Python packages found within directory 'where'
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'where' is the root directory which will be searched for packages. It
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should be supplied as a "cross-platform" (i.e. URL-style) path; it will
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be converted to the appropriate local path syntax.
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'exclude' is a sequence of package names to exclude; '*' can be used
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as a wildcard in the names, such that 'foo.*' will exclude all
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subpackages of 'foo' (but not 'foo' itself).
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'include' is a sequence of package names to include. If it's
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specified, only the named packages will be included. If it's not
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specified, all found packages will be included. 'include' can contain
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shell style wildcard patterns just like 'exclude'.
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"""
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return list(
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cls._find_packages_iter(
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convert_path(where),
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cls._build_filter('ez_setup', '*__pycache__', *exclude),
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cls._build_filter(*include),
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)
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)
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@classmethod
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def _find_packages_iter(cls, where, exclude, include):
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"""
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All the packages found in 'where' that pass the 'include' filter, but
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not the 'exclude' filter.
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"""
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for root, dirs, files in os.walk(where, followlinks=True):
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# Copy dirs to iterate over it, then empty dirs.
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all_dirs = dirs[:]
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dirs[:] = []
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for dir in all_dirs:
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full_path = os.path.join(root, dir)
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rel_path = os.path.relpath(full_path, where)
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package = rel_path.replace(os.path.sep, '.')
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# Skip directory trees that are not valid packages
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if '.' in dir or not cls._looks_like_package(full_path):
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continue
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# Should this package be included?
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if include(package) and not exclude(package):
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yield package
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# Keep searching subdirectories, as there may be more packages
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# down there, even if the parent was excluded.
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dirs.append(dir)
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@staticmethod
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def _looks_like_package(path):
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"""Does a directory look like a package?"""
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return os.path.isfile(os.path.join(path, '__init__.py'))
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@staticmethod
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def _build_filter(*patterns):
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"""
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Given a list of patterns, return a callable that will be true only if
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the input matches at least one of the patterns.
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"""
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return lambda name: any(fnmatchcase(name, pat=pat) for pat in patterns)
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class PEP420PackageFinder(PackageFinder):
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@staticmethod
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def _looks_like_package(path):
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return True
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find_packages = PackageFinder.find
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find_namespace_packages = PEP420PackageFinder.find
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def _install_setup_requires(attrs):
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# Note: do not use `setuptools.Distribution` directly, as
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# our PEP 517 backend patch `distutils.core.Distribution`.
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class MinimalDistribution(distutils.core.Distribution):
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"""
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A minimal version of a distribution for supporting the
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fetch_build_eggs interface.
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"""
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def __init__(self, attrs):
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_incl = 'dependency_links', 'setup_requires'
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filtered = {k: attrs[k] for k in set(_incl) & set(attrs)}
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distutils.core.Distribution.__init__(self, filtered)
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def finalize_options(self):
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"""
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Disable finalize_options to avoid building the working set.
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Ref #2158.
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"""
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dist = MinimalDistribution(attrs)
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# Honor setup.cfg's options.
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dist.parse_config_files(ignore_option_errors=True)
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if dist.setup_requires:
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dist.fetch_build_eggs(dist.setup_requires)
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def setup(**attrs):
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# Make sure we have any requirements needed to interpret 'attrs'.
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_install_setup_requires(attrs)
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return distutils.core.setup(**attrs)
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setup.__doc__ = distutils.core.setup.__doc__
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_Command = monkey.get_unpatched(distutils.core.Command)
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class Command(_Command):
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__doc__ = _Command.__doc__
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command_consumes_arguments = False
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def __init__(self, dist, **kw):
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"""
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Construct the command for dist, updating
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vars(self) with any keyword parameters.
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"""
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_Command.__init__(self, dist)
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vars(self).update(kw)
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def _ensure_stringlike(self, option, what, default=None):
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val = getattr(self, option)
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if val is None:
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setattr(self, option, default)
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return default
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elif not isinstance(val, str):
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raise DistutilsOptionError(
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"'%s' must be a %s (got `%s`)" % (option, what, val)
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)
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return val
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def ensure_string_list(self, option):
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r"""Ensure that 'option' is a list of strings. If 'option' is
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currently a string, we split it either on /,\s*/ or /\s+/, so
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"foo bar baz", "foo,bar,baz", and "foo, bar baz" all become
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["foo", "bar", "baz"].
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"""
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val = getattr(self, option)
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if val is None:
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return
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elif isinstance(val, str):
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setattr(self, option, re.split(r',\s*|\s+', val))
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else:
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if isinstance(val, list):
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ok = all(isinstance(v, str) for v in val)
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else:
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ok = False
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if not ok:
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raise DistutilsOptionError(
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"'%s' must be a list of strings (got %r)" % (option, val)
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)
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def reinitialize_command(self, command, reinit_subcommands=0, **kw):
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cmd = _Command.reinitialize_command(self, command, reinit_subcommands)
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vars(cmd).update(kw)
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return cmd
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def _find_all_simple(path):
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"""
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Find all files under 'path'
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"""
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results = (
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os.path.join(base, file)
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for base, dirs, files in os.walk(path, followlinks=True)
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for file in files
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)
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return filter(os.path.isfile, results)
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def findall(dir=os.curdir):
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"""
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Find all files under 'dir' and return the list of full filenames.
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Unless dir is '.', return full filenames with dir prepended.
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"""
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files = _find_all_simple(dir)
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if dir == os.curdir:
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make_rel = functools.partial(os.path.relpath, start=dir)
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files = map(make_rel, files)
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return list(files)
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class sic(str):
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"""Treat this string as-is (https://en.wikipedia.org/wiki/Sic)"""
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# Apply monkey patches
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monkey.patch_all()
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