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_log.py	file	1,015 B	0644	2026-07-20 00:00:00	edit
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compat.py	file	2,514 B	0644	2026-07-20 00:00:00	edit
compatibility_tags.py	file	6,630 B	0644	2026-07-20 00:00:00	edit
datetime.py	file	868 B	0644	2026-07-20 00:00:00	edit
deprecation.py	file	4,319 B	0644	2026-07-20 00:00:00	edit
direct_url_helpers.py	file	3,363 B	0644	2026-07-20 00:00:00	edit
egg_link.py	file	2,459 B	0644	2026-07-20 00:00:00	edit
entrypoints.py	file	3,324 B	0644	2026-07-20 00:00:00	edit
filesystem.py	file	6,812 B	0644	2026-07-20 00:00:00	edit
filetypes.py	file	689 B	0644	2026-07-20 00:00:00	edit
glibc.py	file	3,726 B	0644	2026-07-20 00:00:00	edit
hashes.py	file	5,040 B	0644	2026-07-20 00:00:00	edit
logging.py	file	13,414 B	0644	2026-07-20 00:00:00	edit
misc.py	file	23,704 B	0644	2026-07-20 00:00:00	edit
packaging.py	file	1,601 B	0644	2026-07-20 00:00:00	edit
pylock.py	file	9,358 B	0644	2026-07-20 00:00:00	edit
retry.py	file	1,461 B	0644	2026-07-20 00:00:00	edit
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unpacking.py	file	13,584 B	0644	2026-07-20 00:00:00	edit
urls.py	file	1,601 B	0644	2026-07-20 00:00:00	edit
virtualenv.py	file	3,455 B	0644	2026-07-20 00:00:00	edit
wheel.py	file	4,468 B	0644	2026-07-20 00:00:00	edit

editing: direct_url_helpers.py

from __future__ import annotations

from pip._internal.models.direct_url import ArchiveInfo, DirectUrl, DirInfo, VcsInfo
from pip._internal.models.link import Link
from pip._internal.utils.urls import path_to_url
from pip._internal.vcs import vcs

def direct_url_as_pep440_direct_reference(direct_url: DirectUrl, name: str) -> str:
    """Convert a DirectUrl to a pip requirement string."""
    direct_url.validate()  # if invalid, this is a pip bug
    requirement = name + " @ "
    fragments = []
    if direct_url.vcs_info:
        requirement += (
            f"{direct_url.vcs_info.vcs}+{direct_url.url}"
            f"@{direct_url.vcs_info.commit_id}"
        )
    elif direct_url.archive_info:
        requirement += direct_url.url
        if direct_url.archive_info.hashes:
            hash_algorithm, hash_value = next(
                iter(direct_url.archive_info.hashes.items())
            )
            fragments.append(f"{hash_algorithm}={hash_value}")
    else:
        assert direct_url.dir_info
        requirement += direct_url.url
    if direct_url.subdirectory:
        fragments.append("subdirectory=" + direct_url.subdirectory)
    if fragments:
        requirement += "#" + "&".join(fragments)
    return requirement

def direct_url_for_editable(source_dir: str) -> DirectUrl:
    return DirectUrl(
        url=path_to_url(source_dir),
        dir_info=DirInfo(editable=True),
    )

def direct_url_from_link(
    link: Link, source_dir: str | None = None, link_is_in_wheel_cache: bool = False
) -> DirectUrl:
    if link.is_vcs:
        vcs_backend = vcs.get_backend_for_scheme(link.scheme)
        assert vcs_backend
        url, requested_revision, _ = vcs_backend.get_url_rev_and_auth(
            link.url_without_fragment
        )
        # For VCS links, we need to find out and add commit_id.
        if link_is_in_wheel_cache:
            # If the requested VCS link corresponds to a cached
            # wheel, it means the requested revision was an
            # immutable commit hash, otherwise it would not have
            # been cached. In that case we don't have a source_dir
            # with the VCS checkout.
            assert requested_revision
            commit_id = requested_revision
        else:
            # If the wheel was not in cache, it means we have
            # had to checkout from VCS to build and we have a source_dir
            # which we can inspect to find out the commit id.
            assert source_dir
            commit_id = vcs_backend.get_revision(source_dir)
        return DirectUrl(
            url=url,
            vcs_info=VcsInfo(
                vcs=vcs_backend.name,
                commit_id=commit_id,
                requested_revision=requested_revision,
            ),
            subdirectory=link.subdirectory_fragment,
        )
    elif link.is_existing_dir():
        return DirectUrl(
            url=link.url_without_fragment,
            dir_info=DirInfo(),
            subdirectory=link.subdirectory_fragment,
        )
    else:
        if link.hash_name:
            assert link.hash
            hashes = {link.hash_name: link.hash}
        else:
            hashes = None
        return DirectUrl(
            url=link.url_without_fragment,
            archive_info=ArchiveInfo(hashes=hashes),
            subdirectory=link.subdirectory_fragment,
        )

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