Created starter files for the project.
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venv/Lib/site-packages/_distutils_hack/__init__.py
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123
venv/Lib/site-packages/_distutils_hack/__init__.py
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import sys
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import os
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import re
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import importlib
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import warnings
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is_pypy = '__pypy__' in sys.builtin_module_names
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def warn_distutils_present():
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if 'distutils' not in sys.modules:
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return
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if is_pypy and sys.version_info < (3, 7):
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# PyPy for 3.6 unconditionally imports distutils, so bypass the warning
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# https://foss.heptapod.net/pypy/pypy/-/blob/be829135bc0d758997b3566062999ee8b23872b4/lib-python/3/site.py#L250
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return
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warnings.warn(
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"Distutils was imported before Setuptools, but importing Setuptools "
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"also replaces the `distutils` module in `sys.modules`. This may lead "
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"to undesirable behaviors or errors. To avoid these issues, avoid "
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"using distutils directly, ensure that setuptools is installed in the "
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"traditional way (e.g. not an editable install), and/or make sure "
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"that setuptools is always imported before distutils.")
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def clear_distutils():
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if 'distutils' not in sys.modules:
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return
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warnings.warn("Setuptools is replacing distutils.")
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mods = [name for name in sys.modules if re.match(r'distutils\b', name)]
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for name in mods:
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del sys.modules[name]
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def enabled():
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"""
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Allow selection of distutils by environment variable.
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"""
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which = os.environ.get('SETUPTOOLS_USE_DISTUTILS', 'stdlib')
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return which == 'local'
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def ensure_local_distutils():
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clear_distutils()
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distutils = importlib.import_module('setuptools._distutils')
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distutils.__name__ = 'distutils'
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sys.modules['distutils'] = distutils
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# sanity check that submodules load as expected
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core = importlib.import_module('distutils.core')
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assert '_distutils' in core.__file__, core.__file__
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def do_override():
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"""
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Ensure that the local copy of distutils is preferred over stdlib.
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See https://github.com/pypa/setuptools/issues/417#issuecomment-392298401
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for more motivation.
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"""
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if enabled():
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warn_distutils_present()
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ensure_local_distutils()
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class DistutilsMetaFinder:
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def find_spec(self, fullname, path, target=None):
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if path is not None:
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return
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method_name = 'spec_for_{fullname}'.format(**locals())
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method = getattr(self, method_name, lambda: None)
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return method()
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def spec_for_distutils(self):
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import importlib.abc
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import importlib.util
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class DistutilsLoader(importlib.abc.Loader):
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def create_module(self, spec):
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return importlib.import_module('setuptools._distutils')
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def exec_module(self, module):
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pass
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return importlib.util.spec_from_loader('distutils', DistutilsLoader())
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def spec_for_pip(self):
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"""
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Ensure stdlib distutils when running under pip.
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See pypa/pip#8761 for rationale.
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"""
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if self.pip_imported_during_build():
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return
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clear_distutils()
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self.spec_for_distutils = lambda: None
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@staticmethod
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def pip_imported_during_build():
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"""
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Detect if pip is being imported in a build script. Ref #2355.
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"""
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import traceback
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return any(
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frame.f_globals['__file__'].endswith('setup.py')
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for frame, line in traceback.walk_stack(None)
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)
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DISTUTILS_FINDER = DistutilsMetaFinder()
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def add_shim():
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sys.meta_path.insert(0, DISTUTILS_FINDER)
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def remove_shim():
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try:
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sys.meta_path.remove(DISTUTILS_FINDER)
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except ValueError:
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pass
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venv/Lib/site-packages/_distutils_hack/override.py
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venv/Lib/site-packages/_distutils_hack/override.py
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__import__('_distutils_hack').do_override()
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