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Direktori : /opt/imunify360/venv/lib/python3.11/site-packages/setuptools/_vendor/importlib_metadata/ |
Current File : //opt/imunify360/venv/lib/python3.11/site-packages/setuptools/_vendor/importlib_metadata/_compat.py |
import sys import platform __all__ = ['install', 'NullFinder', 'Protocol'] try: from typing import Protocol except ImportError: # pragma: no cover # Python 3.7 compatibility from ..typing_extensions import Protocol # type: ignore def install(cls): """ Class decorator for installation on sys.meta_path. Adds the backport DistributionFinder to sys.meta_path and attempts to disable the finder functionality of the stdlib DistributionFinder. """ sys.meta_path.append(cls()) disable_stdlib_finder() return cls def disable_stdlib_finder(): """ Give the backport primacy for discovering path-based distributions by monkey-patching the stdlib O_O. See #91 for more background for rationale on this sketchy behavior. """ def matches(finder): return getattr( finder, '__module__', None ) == '_frozen_importlib_external' and hasattr(finder, 'find_distributions') for finder in filter(matches, sys.meta_path): # pragma: nocover del finder.find_distributions class NullFinder: """ A "Finder" (aka "MetaClassFinder") that never finds any modules, but may find distributions. """ @staticmethod def find_spec(*args, **kwargs): return None # In Python 2, the import system requires finders # to have a find_module() method, but this usage # is deprecated in Python 3 in favor of find_spec(). # For the purposes of this finder (i.e. being present # on sys.meta_path but having no other import # system functionality), the two methods are identical. find_module = find_spec def pypy_partial(val): """ Adjust for variable stacklevel on partial under PyPy. Workaround for #327. """ is_pypy = platform.python_implementation() == 'PyPy' return val + is_pypy