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- from zipfile import ZipFile
- from pip._vendor.pkg_resources import Distribution
- from pip._internal.distributions.base import AbstractDistribution
- from pip._internal.index.package_finder import PackageFinder
- from pip._internal.utils.wheel import pkg_resources_distribution_for_wheel
- class WheelDistribution(AbstractDistribution):
- """Represents a wheel distribution.
- This does not need any preparation as wheels can be directly unpacked.
- """
- def get_pkg_resources_distribution(self) -> Distribution:
- """Loads the metadata from the wheel file into memory and returns a
- Distribution that uses it, not relying on the wheel file or
- requirement.
- """
- # Set as part of preparation during download.
- assert self.req.local_file_path
- # Wheels are never unnamed.
- assert self.req.name
- with ZipFile(self.req.local_file_path, allowZip64=True) as z:
- return pkg_resources_distribution_for_wheel(
- z, self.req.name, self.req.local_file_path
- )
- def prepare_distribution_metadata(
- self, finder: PackageFinder, build_isolation: bool
- ) -> None:
- pass
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