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import sys
from importlib.metadata import Distribution, DistributionFinder
from pathlib import Path
class UninstalledDistributionFinder(DistributionFinder):
"""Find metadata for lazr.delegates despite it not being installed."""
@staticmethod
def find_spec(fullname, path=None, target=None):
return None
@staticmethod
def find_module(fullname, path):
return None
@staticmethod
def invalidate_caches():
pass
@staticmethod
def find_distributions(context=DistributionFinder.Context()):
if context.name == "lazr.delegates":
return [
Distribution.at(Path(__file__).parent / "lazr" / "delegates")
]
sys.meta_path.append(UninstalledDistributionFinder)
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