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Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
__init__.py	0 B	-rw-r--r--
_log.py	1015 B	-rw-r--r--
appdirs.py	1.63 KB	-rw-r--r--
compat.py	1.84 KB	-rw-r--r--
compatibility_tags.py	5.25 KB	-rw-r--r--
datetime.py	242 B	-rw-r--r--
deprecation.py	3.54 KB	-rw-r--r--
direct_url_helpers.py	3.13 KB	-rw-r--r--
distutils_args.py	1.22 KB	-rw-r--r--
egg_link.py	2.15 KB	-rw-r--r--
encoding.py	1.14 KB	-rw-r--r--
entrypoints.py	1.1 KB	-rw-r--r--
filesystem.py	5.75 KB	-rw-r--r--
filetypes.py	716 B	-rw-r--r--
glibc.py	3.04 KB	-rw-r--r--
hashes.py	4.7 KB	-rw-r--r--
inject_securetransport.py	795 B	-rw-r--r--
logging.py	11.26 KB	-rw-r--r--
misc.py	20.29 KB	-rw-r--r--
models.py	1.17 KB	-rw-r--r--
packaging.py	2.88 KB	-rw-r--r--
parallel.py	3.12 KB	-rw-r--r--
pkg_resources.py	987 B	-rw-r--r--
setuptools_build.py	4.59 KB	-rw-r--r--
subprocess.py	9.82 KB	-rw-r--r--
temp_dir.py	7.48 KB	-rw-r--r--
unpacking.py	8.94 KB	-rw-r--r--
urls.py	1.72 KB	-rw-r--r--
virtualenv.py	3.38 KB	-rw-r--r--
wheel.py	6.02 KB	-rw-r--r--

Code Editor : direct_url_helpers.py

from typing import Optional

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 isinstance(direct_url.info, VcsInfo):
        requirement += "{}+{}@{}".format(
            direct_url.info.vcs, direct_url.url, direct_url.info.commit_id
        )
    elif isinstance(direct_url.info, ArchiveInfo):
        requirement += direct_url.url
        if direct_url.info.hash:
            fragments.append(direct_url.info.hash)
    else:
        assert isinstance(direct_url.info, DirInfo)
        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),
        info=DirInfo(editable=True),
    )

def direct_url_from_link(
    link: Link, source_dir: Optional[str] = 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,
            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,
            info=DirInfo(),
            subdirectory=link.subdirectory_fragment,
        )
    else:
        hash = None
        hash_name = link.hash_name
        if hash_name:
            hash = f"{hash_name}={link.hash}"
        return DirectUrl(
            url=link.url_without_fragment,
            info=ArchiveInfo(hash=hash),
            subdirectory=link.subdirectory_fragment,
        )

${this.title}

Code Editor : direct_url_helpers.py