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from pip._vendor.packaging.utils import canonicalize_name
from pip._internal.distributions.base import AbstractDistribution
from pip._internal.index.package_finder import PackageFinder
from pip._internal.metadata import (
BaseDistribution,
FilesystemWheel,
get_wheel_distribution,
)
class WheelDistribution(AbstractDistribution):
"""Represents a wheel distribution.
This does not need any preparation as wheels can be directly unpacked.
"""
def get_metadata_distribution(self) -> BaseDistribution:
"""Loads the metadata from the wheel file into memory and returns a
Distribution that uses it, not relying on the wheel file or
requirement.
"""
assert self.req.local_file_path, "Set as part of preparation during download"
assert self.req.name, "Wheels are never unnamed"
wheel = FilesystemWheel(self.req.local_file_path)
return get_wheel_distribution(wheel, canonicalize_name(self.req.name))
def prepare_distribution_metadata(
self, finder: PackageFinder, build_isolation: bool
) -> None:
pass
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