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File Content: `installed.py`

from pip._internal.distributions.base import AbstractDistribution
from pip._internal.index.package_finder import PackageFinder
from pip._internal.metadata import BaseDistribution


class InstalledDistribution(AbstractDistribution):
    """Represents an installed package.

    This does not need any preparation as the required information has already
    been computed.
    """

    def get_metadata_distribution(self) -> BaseDistribution:
        assert self.req.satisfied_by is not None, "not actually installed"
        return self.req.satisfied_by

    def prepare_distribution_metadata(
        self,
        finder: PackageFinder,
        build_isolation: bool,
        check_build_deps: bool,
    ) -> None:
        pass

Name	Size	Permission
__pycache__	---	0755
__init__.py	858 bytes	0644
base.py	1221 bytes	0644
installed.py	729 bytes	0644
sdist.py	6494 bytes	0644
wheel.py	1164 bytes	0644

File Content: installed.py

File Content: `installed.py`