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47 lines
1.3 KiB
47 lines
1.3 KiB
import sys
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def disable_importlib_metadata_finder(metadata):
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"""
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Ensure importlib_metadata doesn't provide older, incompatible
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Distributions.
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Workaround for #3102.
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"""
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try:
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import importlib_metadata
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except ImportError:
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return
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except AttributeError:
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import warnings
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msg = (
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"`importlib-metadata` version is incompatible with `setuptools`.\n"
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"This problem is likely to be solved by installing an updated version of "
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"`importlib-metadata`."
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)
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warnings.warn(msg) # Ensure a descriptive message is shown.
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raise # This exception can be suppressed by _distutils_hack
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if importlib_metadata is metadata:
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return
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to_remove = [
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ob
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for ob in sys.meta_path
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if isinstance(ob, importlib_metadata.MetadataPathFinder)
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]
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for item in to_remove:
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sys.meta_path.remove(item)
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if sys.version_info < (3, 10):
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from setuptools.extern import importlib_metadata as metadata
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disable_importlib_metadata_finder(metadata)
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else:
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import importlib.metadata as metadata # noqa: F401
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if sys.version_info < (3, 9):
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from setuptools.extern import importlib_resources as resources
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else:
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import importlib.resources as resources # noqa: F401
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