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