no venv

8 files changed, 0 insertions, 1821 deletions

diff --git a/venv/lib/python3.11/site-packages/pip/_internal/index/__init__.py b/venv/lib/python3.11/site-packages/pip/_internal/index/__init__.py
deleted file mode 100644
index 7a17b7b..0000000
--- a/venv/lib/python3.11/site-packages/pip/_internal/index/__init__.py
+++ /dev/null
@@ -1,2 +0,0 @@
-"""Index interaction code
-"""
diff --git a/venv/lib/python3.11/site-packages/pip/_internal/index/__pycache__/__init__.cpython-311.pyc b/venv/lib/python3.11/site-packages/pip/_internal/index/__pycache__/__init__.cpython-311.pyc
deleted file mode 100644
index 446ac36..0000000
--- a/venv/lib/python3.11/site-packages/pip/_internal/index/__pycache__/__init__.cpython-311.pyc
+++ /dev/null
diff --git a/venv/lib/python3.11/site-packages/pip/_internal/index/__pycache__/collector.cpython-311.pyc b/venv/lib/python3.11/site-packages/pip/_internal/index/__pycache__/collector.cpython-311.pyc
deleted file mode 100644
index a1dc4c1..0000000
--- a/venv/lib/python3.11/site-packages/pip/_internal/index/__pycache__/collector.cpython-311.pyc
+++ /dev/null
diff --git a/venv/lib/python3.11/site-packages/pip/_internal/index/__pycache__/package_finder.cpython-311.pyc b/venv/lib/python3.11/site-packages/pip/_internal/index/__pycache__/package_finder.cpython-311.pyc
deleted file mode 100644
index 8379671..0000000
--- a/venv/lib/python3.11/site-packages/pip/_internal/index/__pycache__/package_finder.cpython-311.pyc
+++ /dev/null
diff --git a/venv/lib/python3.11/site-packages/pip/_internal/index/__pycache__/sources.cpython-311.pyc b/venv/lib/python3.11/site-packages/pip/_internal/index/__pycache__/sources.cpython-311.pyc
deleted file mode 100644
index e7e9b99..0000000
--- a/venv/lib/python3.11/site-packages/pip/_internal/index/__pycache__/sources.cpython-311.pyc
+++ /dev/null
diff --git a/venv/lib/python3.11/site-packages/pip/_internal/index/collector.py b/venv/lib/python3.11/site-packages/pip/_internal/index/collector.py
deleted file mode 100644
index 08c8bdd..0000000
--- a/venv/lib/python3.11/site-packages/pip/_internal/index/collector.py
+++ /dev/null
@@ -1,507 +0,0 @@
-"""
-The main purpose of this module is to expose LinkCollector.collect_sources().
-"""
-
-import collections
-import email.message
-import functools
-import itertools
-import json
-import logging
-import os
-import urllib.parse
-import urllib.request
-from html.parser import HTMLParser
-from optparse import Values
-from typing import (
-    TYPE_CHECKING,
-    Callable,
-    Dict,
-    Iterable,
-    List,
-    MutableMapping,
-    NamedTuple,
-    Optional,
-    Sequence,
-    Tuple,
-    Union,
-)
-
-from pip._vendor import requests
-from pip._vendor.requests import Response
-from pip._vendor.requests.exceptions import RetryError, SSLError
-
-from pip._internal.exceptions import NetworkConnectionError
-from pip._internal.models.link import Link
-from pip._internal.models.search_scope import SearchScope
-from pip._internal.network.session import PipSession
-from pip._internal.network.utils import raise_for_status
-from pip._internal.utils.filetypes import is_archive_file
-from pip._internal.utils.misc import redact_auth_from_url
-from pip._internal.vcs import vcs
-
-from .sources import CandidatesFromPage, LinkSource, build_source
-
-if TYPE_CHECKING:
-    from typing import Protocol
-else:
-    Protocol = object
-
-logger = logging.getLogger(__name__)
-
-ResponseHeaders = MutableMapping[str, str]
-
-
-def _match_vcs_scheme(url: str) -> Optional[str]:
-    """Look for VCS schemes in the URL.
-
-    Returns the matched VCS scheme, or None if there's no match.
-    """
-    for scheme in vcs.schemes:
-        if url.lower().startswith(scheme) and url[len(scheme)] in "+:":
-            return scheme
-    return None
-
-
-class _NotAPIContent(Exception):
-    def __init__(self, content_type: str, request_desc: str) -> None:
-        super().__init__(content_type, request_desc)
-        self.content_type = content_type
-        self.request_desc = request_desc
-
-
-def _ensure_api_header(response: Response) -> None:
-    """
-    Check the Content-Type header to ensure the response contains a Simple
-    API Response.
-
-    Raises `_NotAPIContent` if the content type is not a valid content-type.
-    """
-    content_type = response.headers.get("Content-Type", "Unknown")
-
-    content_type_l = content_type.lower()
-    if content_type_l.startswith(
-        (
-            "text/html",
-            "application/vnd.pypi.simple.v1+html",
-            "application/vnd.pypi.simple.v1+json",
-        )
-    ):
-        return
-
-    raise _NotAPIContent(content_type, response.request.method)
-
-
-class _NotHTTP(Exception):
-    pass
-
-
-def _ensure_api_response(url: str, session: PipSession) -> None:
-    """
-    Send a HEAD request to the URL, and ensure the response contains a simple
-    API Response.
-
-    Raises `_NotHTTP` if the URL is not available for a HEAD request, or
-    `_NotAPIContent` if the content type is not a valid content type.
-    """
-    scheme, netloc, path, query, fragment = urllib.parse.urlsplit(url)
-    if scheme not in {"http", "https"}:
-        raise _NotHTTP()
-
-    resp = session.head(url, allow_redirects=True)
-    raise_for_status(resp)
-
-    _ensure_api_header(resp)
-
-
-def _get_simple_response(url: str, session: PipSession) -> Response:
-    """Access an Simple API response with GET, and return the response.
-
-    This consists of three parts:
-
-    1. If the URL looks suspiciously like an archive, send a HEAD first to
-       check the Content-Type is HTML or Simple API, to avoid downloading a
-       large file. Raise `_NotHTTP` if the content type cannot be determined, or
-       `_NotAPIContent` if it is not HTML or a Simple API.
-    2. Actually perform the request. Raise HTTP exceptions on network failures.
-    3. Check the Content-Type header to make sure we got a Simple API response,
-       and raise `_NotAPIContent` otherwise.
-    """
-    if is_archive_file(Link(url).filename):
-        _ensure_api_response(url, session=session)
-
-    logger.debug("Getting page %s", redact_auth_from_url(url))
-
-    resp = session.get(
-        url,
-        headers={
-            "Accept": ", ".join(
-                [
-                    "application/vnd.pypi.simple.v1+json",
-                    "application/vnd.pypi.simple.v1+html; q=0.1",
-                    "text/html; q=0.01",
-                ]
-            ),
-            # We don't want to blindly returned cached data for
-            # /simple/, because authors generally expecting that
-            # twine upload && pip install will function, but if
-            # they've done a pip install in the last ~10 minutes
-            # it won't. Thus by setting this to zero we will not
-            # blindly use any cached data, however the benefit of
-            # using max-age=0 instead of no-cache, is that we will
-            # still support conditional requests, so we will still
-            # minimize traffic sent in cases where the page hasn't
-            # changed at all, we will just always incur the round
-            # trip for the conditional GET now instead of only
-            # once per 10 minutes.
-            # For more information, please see pypa/pip#5670.
-            "Cache-Control": "max-age=0",
-        },
-    )
-    raise_for_status(resp)
-
-    # The check for archives above only works if the url ends with
-    # something that looks like an archive. However that is not a
-    # requirement of an url. Unless we issue a HEAD request on every
-    # url we cannot know ahead of time for sure if something is a
-    # Simple API response or not. However we can check after we've
-    # downloaded it.
-    _ensure_api_header(resp)
-
-    logger.debug(
-        "Fetched page %s as %s",
-        redact_auth_from_url(url),
-        resp.headers.get("Content-Type", "Unknown"),
-    )
-
-    return resp
-
-
-def _get_encoding_from_headers(headers: ResponseHeaders) -> Optional[str]:
-    """Determine if we have any encoding information in our headers."""
-    if headers and "Content-Type" in headers:
-        m = email.message.Message()
-        m["content-type"] = headers["Content-Type"]
-        charset = m.get_param("charset")
-        if charset:
-            return str(charset)
-    return None
-
-
-class CacheablePageContent:
-    def __init__(self, page: "IndexContent") -> None:
-        assert page.cache_link_parsing
-        self.page = page
-
-    def __eq__(self, other: object) -> bool:
-        return isinstance(other, type(self)) and self.page.url == other.page.url
-
-    def __hash__(self) -> int:
-        return hash(self.page.url)
-
-
-class ParseLinks(Protocol):
-    def __call__(self, page: "IndexContent") -> Iterable[Link]:
-        ...
-
-
-def with_cached_index_content(fn: ParseLinks) -> ParseLinks:
-    """
-    Given a function that parses an Iterable[Link] from an IndexContent, cache the
-    function's result (keyed by CacheablePageContent), unless the IndexContent
-    `page` has `page.cache_link_parsing == False`.
-    """
-
-    @functools.lru_cache(maxsize=None)
-    def wrapper(cacheable_page: CacheablePageContent) -> List[Link]:
-        return list(fn(cacheable_page.page))
-
-    @functools.wraps(fn)
-    def wrapper_wrapper(page: "IndexContent") -> List[Link]:
-        if page.cache_link_parsing:
-            return wrapper(CacheablePageContent(page))
-        return list(fn(page))
-
-    return wrapper_wrapper
-
-
-@with_cached_index_content
-def parse_links(page: "IndexContent") -> Iterable[Link]:
-    """
-    Parse a Simple API's Index Content, and yield its anchor elements as Link objects.
-    """
-
-    content_type_l = page.content_type.lower()
-    if content_type_l.startswith("application/vnd.pypi.simple.v1+json"):
-        data = json.loads(page.content)
-        for file in data.get("files", []):
-            link = Link.from_json(file, page.url)
-            if link is None:
-                continue
-            yield link
-        return
-
-    parser = HTMLLinkParser(page.url)
-    encoding = page.encoding or "utf-8"
-    parser.feed(page.content.decode(encoding))
-
-    url = page.url
-    base_url = parser.base_url or url
-    for anchor in parser.anchors:
-        link = Link.from_element(anchor, page_url=url, base_url=base_url)
-        if link is None:
-            continue
-        yield link
-
-
-class IndexContent:
-    """Represents one response (or page), along with its URL"""
-
-    def __init__(
-        self,
-        content: bytes,
-        content_type: str,
-        encoding: Optional[str],
-        url: str,
-        cache_link_parsing: bool = True,
-    ) -> None:
-        """
-        :param encoding: the encoding to decode the given content.
-        :param url: the URL from which the HTML was downloaded.
-        :param cache_link_parsing: whether links parsed from this page's url
-                                   should be cached. PyPI index urls should
-                                   have this set to False, for example.
-        """
-        self.content = content
-        self.content_type = content_type
-        self.encoding = encoding
-        self.url = url
-        self.cache_link_parsing = cache_link_parsing
-
-    def __str__(self) -> str:
-        return redact_auth_from_url(self.url)
-
-
-class HTMLLinkParser(HTMLParser):
-    """
-    HTMLParser that keeps the first base HREF and a list of all anchor
-    elements' attributes.
-    """
-
-    def __init__(self, url: str) -> None:
-        super().__init__(convert_charrefs=True)
-
-        self.url: str = url
-        self.base_url: Optional[str] = None
-        self.anchors: List[Dict[str, Optional[str]]] = []
-
-    def handle_starttag(self, tag: str, attrs: List[Tuple[str, Optional[str]]]) -> None:
-        if tag == "base" and self.base_url is None:
-            href = self.get_href(attrs)
-            if href is not None:
-                self.base_url = href
-        elif tag == "a":
-            self.anchors.append(dict(attrs))
-
-    def get_href(self, attrs: List[Tuple[str, Optional[str]]]) -> Optional[str]:
-        for name, value in attrs:
-            if name == "href":
-                return value
-        return None
-
-
-def _handle_get_simple_fail(
-    link: Link,
-    reason: Union[str, Exception],
-    meth: Optional[Callable[..., None]] = None,
-) -> None:
-    if meth is None:
-        meth = logger.debug
-    meth("Could not fetch URL %s: %s - skipping", link, reason)
-
-
-def _make_index_content(
-    response: Response, cache_link_parsing: bool = True
-) -> IndexContent:
-    encoding = _get_encoding_from_headers(response.headers)
-    return IndexContent(
-        response.content,
-        response.headers["Content-Type"],
-        encoding=encoding,
-        url=response.url,
-        cache_link_parsing=cache_link_parsing,
-    )
-
-
-def _get_index_content(link: Link, *, session: PipSession) -> Optional["IndexContent"]:
-    url = link.url.split("#", 1)[0]
-
-    # Check for VCS schemes that do not support lookup as web pages.
-    vcs_scheme = _match_vcs_scheme(url)
-    if vcs_scheme:
-        logger.warning(
-            "Cannot look at %s URL %s because it does not support lookup as web pages.",
-            vcs_scheme,
-            link,
-        )
-        return None
-
-    # Tack index.html onto file:// URLs that point to directories
-    scheme, _, path, _, _, _ = urllib.parse.urlparse(url)
-    if scheme == "file" and os.path.isdir(urllib.request.url2pathname(path)):
-        # add trailing slash if not present so urljoin doesn't trim
-        # final segment
-        if not url.endswith("/"):
-            url += "/"
-        # TODO: In the future, it would be nice if pip supported PEP 691
-        #       style responses in the file:// URLs, however there's no
-        #       standard file extension for application/vnd.pypi.simple.v1+json
-        #       so we'll need to come up with something on our own.
-        url = urllib.parse.urljoin(url, "index.html")
-        logger.debug(" file: URL is directory, getting %s", url)
-
-    try:
-        resp = _get_simple_response(url, session=session)
-    except _NotHTTP:
-        logger.warning(
-            "Skipping page %s because it looks like an archive, and cannot "
-            "be checked by a HTTP HEAD request.",
-            link,
-        )
-    except _NotAPIContent as exc:
-        logger.warning(
-            "Skipping page %s because the %s request got Content-Type: %s. "
-            "The only supported Content-Types are application/vnd.pypi.simple.v1+json, "
-            "application/vnd.pypi.simple.v1+html, and text/html",
-            link,
-            exc.request_desc,
-            exc.content_type,
-        )
-    except NetworkConnectionError as exc:
-        _handle_get_simple_fail(link, exc)
-    except RetryError as exc:
-        _handle_get_simple_fail(link, exc)
-    except SSLError as exc:
-        reason = "There was a problem confirming the ssl certificate: "
-        reason += str(exc)
-        _handle_get_simple_fail(link, reason, meth=logger.info)
-    except requests.ConnectionError as exc:
-        _handle_get_simple_fail(link, f"connection error: {exc}")
-    except requests.Timeout:
-        _handle_get_simple_fail(link, "timed out")
-    else:
-        return _make_index_content(resp, cache_link_parsing=link.cache_link_parsing)
-    return None
-
-
-class CollectedSources(NamedTuple):
-    find_links: Sequence[Optional[LinkSource]]
-    index_urls: Sequence[Optional[LinkSource]]
-
-
-class LinkCollector:
-
-    """
-    Responsible for collecting Link objects from all configured locations,
-    making network requests as needed.
-
-    The class's main method is its collect_sources() method.
-    """
-
-    def __init__(
-        self,
-        session: PipSession,
-        search_scope: SearchScope,
-    ) -> None:
-        self.search_scope = search_scope
-        self.session = session
-
-    @classmethod
-    def create(
-        cls,
-        session: PipSession,
-        options: Values,
-        suppress_no_index: bool = False,
-    ) -> "LinkCollector":
-        """
-        :param session: The Session to use to make requests.
-        :param suppress_no_index: Whether to ignore the --no-index option
-            when constructing the SearchScope object.
-        """
-        index_urls = [options.index_url] + options.extra_index_urls
-        if options.no_index and not suppress_no_index:
-            logger.debug(
-                "Ignoring indexes: %s",
-                ",".join(redact_auth_from_url(url) for url in index_urls),
-            )
-            index_urls = []
-
-        # Make sure find_links is a list before passing to create().
-        find_links = options.find_links or []
-
-        search_scope = SearchScope.create(
-            find_links=find_links,
-            index_urls=index_urls,
-            no_index=options.no_index,
-        )
-        link_collector = LinkCollector(
-            session=session,
-            search_scope=search_scope,
-        )
-        return link_collector
-
-    @property
-    def find_links(self) -> List[str]:
-        return self.search_scope.find_links
-
-    def fetch_response(self, location: Link) -> Optional[IndexContent]:
-        """
-        Fetch an HTML page containing package links.
-        """
-        return _get_index_content(location, session=self.session)
-
-    def collect_sources(
-        self,
-        project_name: str,
-        candidates_from_page: CandidatesFromPage,
-    ) -> CollectedSources:
-        # The OrderedDict calls deduplicate sources by URL.
-        index_url_sources = collections.OrderedDict(
-            build_source(
-                loc,
-                candidates_from_page=candidates_from_page,
-                page_validator=self.session.is_secure_origin,
-                expand_dir=False,
-                cache_link_parsing=False,
-                project_name=project_name,
-            )
-            for loc in self.search_scope.get_index_urls_locations(project_name)
-        ).values()
-        find_links_sources = collections.OrderedDict(
-            build_source(
-                loc,
-                candidates_from_page=candidates_from_page,
-                page_validator=self.session.is_secure_origin,
-                expand_dir=True,
-                cache_link_parsing=True,
-                project_name=project_name,
-            )
-            for loc in self.find_links
-        ).values()
-
-        if logger.isEnabledFor(logging.DEBUG):
-            lines = [
-                f"* {s.link}"
-                for s in itertools.chain(find_links_sources, index_url_sources)
-                if s is not None and s.link is not None
-            ]
-            lines = [
-                f"{len(lines)} location(s) to search "
-                f"for versions of {project_name}:"
-            ] + lines
-            logger.debug("\n".join(lines))
-
-        return CollectedSources(
-            find_links=list(find_links_sources),
-            index_urls=list(index_url_sources),
-        )
diff --git a/venv/lib/python3.11/site-packages/pip/_internal/index/package_finder.py b/venv/lib/python3.11/site-packages/pip/_internal/index/package_finder.py
deleted file mode 100644
index ec9ebc3..0000000
--- a/venv/lib/python3.11/site-packages/pip/_internal/index/package_finder.py
+++ /dev/null
@@ -1,1027 +0,0 @@
-"""Routines related to PyPI, indexes"""
-
-import enum
-import functools
-import itertools
-import logging
-import re
-from typing import TYPE_CHECKING, FrozenSet, Iterable, List, Optional, Set, Tuple, Union
-
-from pip._vendor.packaging import specifiers
-from pip._vendor.packaging.tags import Tag
-from pip._vendor.packaging.utils import canonicalize_name
-from pip._vendor.packaging.version import _BaseVersion
-from pip._vendor.packaging.version import parse as parse_version
-
-from pip._internal.exceptions import (
-    BestVersionAlreadyInstalled,
-    DistributionNotFound,
-    InvalidWheelFilename,
-    UnsupportedWheel,
-)
-from pip._internal.index.collector import LinkCollector, parse_links
-from pip._internal.models.candidate import InstallationCandidate
-from pip._internal.models.format_control import FormatControl
-from pip._internal.models.link import Link
-from pip._internal.models.search_scope import SearchScope
-from pip._internal.models.selection_prefs import SelectionPreferences
-from pip._internal.models.target_python import TargetPython
-from pip._internal.models.wheel import Wheel
-from pip._internal.req import InstallRequirement
-from pip._internal.utils._log import getLogger
-from pip._internal.utils.filetypes import WHEEL_EXTENSION
-from pip._internal.utils.hashes import Hashes
-from pip._internal.utils.logging import indent_log
-from pip._internal.utils.misc import build_netloc
-from pip._internal.utils.packaging import check_requires_python
-from pip._internal.utils.unpacking import SUPPORTED_EXTENSIONS
-
-if TYPE_CHECKING:
-    from pip._vendor.typing_extensions import TypeGuard
-
-__all__ = ["FormatControl", "BestCandidateResult", "PackageFinder"]
-
-
-logger = getLogger(__name__)
-
-BuildTag = Union[Tuple[()], Tuple[int, str]]
-CandidateSortingKey = Tuple[int, int, int, _BaseVersion, Optional[int], BuildTag]
-
-
-def _check_link_requires_python(
-    link: Link,
-    version_info: Tuple[int, int, int],
-    ignore_requires_python: bool = False,
-) -> bool:
-    """
-    Return whether the given Python version is compatible with a link's
-    "Requires-Python" value.
-
-    :param version_info: A 3-tuple of ints representing the Python
-        major-minor-micro version to check.
-    :param ignore_requires_python: Whether to ignore the "Requires-Python"
-        value if the given Python version isn't compatible.
-    """
-    try:
-        is_compatible = check_requires_python(
-            link.requires_python,
-            version_info=version_info,
-        )
-    except specifiers.InvalidSpecifier:
-        logger.debug(
-            "Ignoring invalid Requires-Python (%r) for link: %s",
-            link.requires_python,
-            link,
-        )
-    else:
-        if not is_compatible:
-            version = ".".join(map(str, version_info))
-            if not ignore_requires_python:
-                logger.verbose(
-                    "Link requires a different Python (%s not in: %r): %s",
-                    version,
-                    link.requires_python,
-                    link,
-                )
-                return False
-
-            logger.debug(
-                "Ignoring failed Requires-Python check (%s not in: %r) for link: %s",
-                version,
-                link.requires_python,
-                link,
-            )
-
-    return True
-
-
-class LinkType(enum.Enum):
-    candidate = enum.auto()
-    different_project = enum.auto()
-    yanked = enum.auto()
-    format_unsupported = enum.auto()
-    format_invalid = enum.auto()
-    platform_mismatch = enum.auto()
-    requires_python_mismatch = enum.auto()
-
-
-class LinkEvaluator:
-
-    """
-    Responsible for evaluating links for a particular project.
-    """
-
-    _py_version_re = re.compile(r"-py([123]\.?[0-9]?)$")
-
-    # Don't include an allow_yanked default value to make sure each call
-    # site considers whether yanked releases are allowed. This also causes
-    # that decision to be made explicit in the calling code, which helps
-    # people when reading the code.
-    def __init__(
-        self,
-        project_name: str,
-        canonical_name: str,
-        formats: FrozenSet[str],
-        target_python: TargetPython,
-        allow_yanked: bool,
-        ignore_requires_python: Optional[bool] = None,
-    ) -> None:
-        """
-        :param project_name: The user supplied package name.
-        :param canonical_name: The canonical package name.
-        :param formats: The formats allowed for this package. Should be a set
-            with 'binary' or 'source' or both in it.
-        :param target_python: The target Python interpreter to use when
-            evaluating link compatibility. This is used, for example, to
-            check wheel compatibility, as well as when checking the Python
-            version, e.g. the Python version embedded in a link filename
-            (or egg fragment) and against an HTML link's optional PEP 503
-            "data-requires-python" attribute.
-        :param allow_yanked: Whether files marked as yanked (in the sense
-            of PEP 592) are permitted to be candidates for install.
-        :param ignore_requires_python: Whether to ignore incompatible
-            PEP 503 "data-requires-python" values in HTML links. Defaults
-            to False.
-        """
-        if ignore_requires_python is None:
-            ignore_requires_python = False
-
-        self._allow_yanked = allow_yanked
-        self._canonical_name = canonical_name
-        self._ignore_requires_python = ignore_requires_python
-        self._formats = formats
-        self._target_python = target_python
-
-        self.project_name = project_name
-
-    def evaluate_link(self, link: Link) -> Tuple[LinkType, str]:
-        """
-        Determine whether a link is a candidate for installation.
-
-        :return: A tuple (result, detail), where *result* is an enum
-            representing whether the evaluation found a candidate, or the reason
-            why one is not found. If a candidate is found, *detail* will be the
-            candidate's version string; if one is not found, it contains the
-            reason the link fails to qualify.
-        """
-        version = None
-        if link.is_yanked and not self._allow_yanked:
-            reason = link.yanked_reason or "<none given>"
-            return (LinkType.yanked, f"yanked for reason: {reason}")
-
-        if link.egg_fragment:
-            egg_info = link.egg_fragment
-            ext = link.ext
-        else:
-            egg_info, ext = link.splitext()
-            if not ext:
-                return (LinkType.format_unsupported, "not a file")
-            if ext not in SUPPORTED_EXTENSIONS:
-                return (
-                    LinkType.format_unsupported,
-                    f"unsupported archive format: {ext}",
-                )
-            if "binary" not in self._formats and ext == WHEEL_EXTENSION:
-                reason = f"No binaries permitted for {self.project_name}"
-                return (LinkType.format_unsupported, reason)
-            if "macosx10" in link.path and ext == ".zip":
-                return (LinkType.format_unsupported, "macosx10 one")
-            if ext == WHEEL_EXTENSION:
-                try:
-                    wheel = Wheel(link.filename)
-                except InvalidWheelFilename:
-                    return (
-                        LinkType.format_invalid,
-                        "invalid wheel filename",
-                    )
-                if canonicalize_name(wheel.name) != self._canonical_name:
-                    reason = f"wrong project name (not {self.project_name})"
-                    return (LinkType.different_project, reason)
-
-                supported_tags = self._target_python.get_unsorted_tags()
-                if not wheel.supported(supported_tags):
-                    # Include the wheel's tags in the reason string to
-                    # simplify troubleshooting compatibility issues.
-                    file_tags = ", ".join(wheel.get_formatted_file_tags())
-                    reason = (
-                        f"none of the wheel's tags ({file_tags}) are compatible "
-                        f"(run pip debug --verbose to show compatible tags)"
-                    )
-                    return (LinkType.platform_mismatch, reason)
-
-                version = wheel.version
-
-        # This should be up by the self.ok_binary check, but see issue 2700.
-        if "source" not in self._formats and ext != WHEEL_EXTENSION:
-            reason = f"No sources permitted for {self.project_name}"
-            return (LinkType.format_unsupported, reason)
-
-        if not version:
-            version = _extract_version_from_fragment(
-                egg_info,
-                self._canonical_name,
-            )
-        if not version:
-            reason = f"Missing project version for {self.project_name}"
-            return (LinkType.format_invalid, reason)
-
-        match = self._py_version_re.search(version)
-        if match:
-            version = version[: match.start()]
-            py_version = match.group(1)
-            if py_version != self._target_python.py_version:
-                return (
-                    LinkType.platform_mismatch,
-                    "Python version is incorrect",
-                )
-
-        supports_python = _check_link_requires_python(
-            link,
-            version_info=self._target_python.py_version_info,
-            ignore_requires_python=self._ignore_requires_python,
-        )
-        if not supports_python:
-            reason = f"{version} Requires-Python {link.requires_python}"
-            return (LinkType.requires_python_mismatch, reason)
-
-        logger.debug("Found link %s, version: %s", link, version)
-
-        return (LinkType.candidate, version)
-
-
-def filter_unallowed_hashes(
-    candidates: List[InstallationCandidate],
-    hashes: Optional[Hashes],
-    project_name: str,
-) -> List[InstallationCandidate]:
-    """
-    Filter out candidates whose hashes aren't allowed, and return a new
-    list of candidates.
-
-    If at least one candidate has an allowed hash, then all candidates with
-    either an allowed hash or no hash specified are returned.  Otherwise,
-    the given candidates are returned.
-
-    Including the candidates with no hash specified when there is a match
-    allows a warning to be logged if there is a more preferred candidate
-    with no hash specified.  Returning all candidates in the case of no
-    matches lets pip report the hash of the candidate that would otherwise
-    have been installed (e.g. permitting the user to more easily update
-    their requirements file with the desired hash).
-    """
-    if not hashes:
-        logger.debug(
-            "Given no hashes to check %s links for project %r: "
-            "discarding no candidates",
-            len(candidates),
-            project_name,
-        )
-        # Make sure we're not returning back the given value.
-        return list(candidates)
-
-    matches_or_no_digest = []
-    # Collect the non-matches for logging purposes.
-    non_matches = []
-    match_count = 0
-    for candidate in candidates:
-        link = candidate.link
-        if not link.has_hash:
-            pass
-        elif link.is_hash_allowed(hashes=hashes):
-            match_count += 1
-        else:
-            non_matches.append(candidate)
-            continue
-
-        matches_or_no_digest.append(candidate)
-
-    if match_count:
-        filtered = matches_or_no_digest
-    else:
-        # Make sure we're not returning back the given value.
-        filtered = list(candidates)
-
-    if len(filtered) == len(candidates):
-        discard_message = "discarding no candidates"
-    else:
-        discard_message = "discarding {} non-matches:\n  {}".format(
-            len(non_matches),
-            "\n  ".join(str(candidate.link) for candidate in non_matches),
-        )
-
-    logger.debug(
-        "Checked %s links for project %r against %s hashes "
-        "(%s matches, %s no digest): %s",
-        len(candidates),
-        project_name,
-        hashes.digest_count,
-        match_count,
-        len(matches_or_no_digest) - match_count,
-        discard_message,
-    )
-
-    return filtered
-
-
-class CandidatePreferences:
-
-    """
-    Encapsulates some of the preferences for filtering and sorting
-    InstallationCandidate objects.
-    """
-
-    def __init__(
-        self,
-        prefer_binary: bool = False,
-        allow_all_prereleases: bool = False,
-    ) -> None:
-        """
-        :param allow_all_prereleases: Whether to allow all pre-releases.
-        """
-        self.allow_all_prereleases = allow_all_prereleases
-        self.prefer_binary = prefer_binary
-
-
-class BestCandidateResult:
-    """A collection of candidates, returned by `PackageFinder.find_best_candidate`.
-
-    This class is only intended to be instantiated by CandidateEvaluator's
-    `compute_best_candidate()` method.
-    """
-
-    def __init__(
-        self,
-        candidates: List[InstallationCandidate],
-        applicable_candidates: List[InstallationCandidate],
-        best_candidate: Optional[InstallationCandidate],
-    ) -> None:
-        """
-        :param candidates: A sequence of all available candidates found.
-        :param applicable_candidates: The applicable candidates.
-        :param best_candidate: The most preferred candidate found, or None
-            if no applicable candidates were found.
-        """
-        assert set(applicable_candidates) <= set(candidates)
-
-        if best_candidate is None:
-            assert not applicable_candidates
-        else:
-            assert best_candidate in applicable_candidates
-
-        self._applicable_candidates = applicable_candidates
-        self._candidates = candidates
-
-        self.best_candidate = best_candidate
-
-    def iter_all(self) -> Iterable[InstallationCandidate]:
-        """Iterate through all candidates."""
-        return iter(self._candidates)
-
-    def iter_applicable(self) -> Iterable[InstallationCandidate]:
-        """Iterate through the applicable candidates."""
-        return iter(self._applicable_candidates)
-
-
-class CandidateEvaluator:
-
-    """
-    Responsible for filtering and sorting candidates for installation based
-    on what tags are valid.
-    """
-
-    @classmethod
-    def create(
-        cls,
-        project_name: str,
-        target_python: Optional[TargetPython] = None,
-        prefer_binary: bool = False,
-        allow_all_prereleases: bool = False,
-        specifier: Optional[specifiers.BaseSpecifier] = None,
-        hashes: Optional[Hashes] = None,
-    ) -> "CandidateEvaluator":
-        """Create a CandidateEvaluator object.
-
-        :param target_python: The target Python interpreter to use when
-            checking compatibility. If None (the default), a TargetPython
-            object will be constructed from the running Python.
-        :param specifier: An optional object implementing `filter`
-            (e.g. `packaging.specifiers.SpecifierSet`) to filter applicable
-            versions.
-        :param hashes: An optional collection of allowed hashes.
-        """
-        if target_python is None:
-            target_python = TargetPython()
-        if specifier is None:
-            specifier = specifiers.SpecifierSet()
-
-        supported_tags = target_python.get_sorted_tags()
-
-        return cls(
-            project_name=project_name,
-            supported_tags=supported_tags,
-            specifier=specifier,
-            prefer_binary=prefer_binary,
-            allow_all_prereleases=allow_all_prereleases,
-            hashes=hashes,
-        )
-
-    def __init__(
-        self,
-        project_name: str,
-        supported_tags: List[Tag],
-        specifier: specifiers.BaseSpecifier,
-        prefer_binary: bool = False,
-        allow_all_prereleases: bool = False,
-        hashes: Optional[Hashes] = None,
-    ) -> None:
-        """
-        :param supported_tags: The PEP 425 tags supported by the target
-            Python in order of preference (most preferred first).
-        """
-        self._allow_all_prereleases = allow_all_prereleases
-        self._hashes = hashes
-        self._prefer_binary = prefer_binary
-        self._project_name = project_name
-        self._specifier = specifier
-        self._supported_tags = supported_tags
-        # Since the index of the tag in the _supported_tags list is used
-        # as a priority, precompute a map from tag to index/priority to be
-        # used in wheel.find_most_preferred_tag.
-        self._wheel_tag_preferences = {
-            tag: idx for idx, tag in enumerate(supported_tags)
-        }
-
-    def get_applicable_candidates(
-        self,
-        candidates: List[InstallationCandidate],
-    ) -> List[InstallationCandidate]:
-        """
-        Return the applicable candidates from a list of candidates.
-        """
-        # Using None infers from the specifier instead.
-        allow_prereleases = self._allow_all_prereleases or None
-        specifier = self._specifier
-        versions = {
-            str(v)
-            for v in specifier.filter(
-                # We turn the version object into a str here because otherwise
-                # when we're debundled but setuptools isn't, Python will see
-                # packaging.version.Version and
-                # pkg_resources._vendor.packaging.version.Version as different
-                # types. This way we'll use a str as a common data interchange
-                # format. If we stop using the pkg_resources provided specifier
-                # and start using our own, we can drop the cast to str().
-                (str(c.version) for c in candidates),
-                prereleases=allow_prereleases,
-            )
-        }
-
-        # Again, converting version to str to deal with debundling.
-        applicable_candidates = [c for c in candidates if str(c.version) in versions]
-
-        filtered_applicable_candidates = filter_unallowed_hashes(
-            candidates=applicable_candidates,
-            hashes=self._hashes,
-            project_name=self._project_name,
-        )
-
-        return sorted(filtered_applicable_candidates, key=self._sort_key)
-
-    def _sort_key(self, candidate: InstallationCandidate) -> CandidateSortingKey:
-        """
-        Function to pass as the `key` argument to a call to sorted() to sort
-        InstallationCandidates by preference.
-
-        Returns a tuple such that tuples sorting as greater using Python's
-        default comparison operator are more preferred.
-
-        The preference is as follows:
-
-        First and foremost, candidates with allowed (matching) hashes are
-        always preferred over candidates without matching hashes. This is
-        because e.g. if the only candidate with an allowed hash is yanked,
-        we still want to use that candidate.
-
-        Second, excepting hash considerations, candidates that have been
-        yanked (in the sense of PEP 592) are always less preferred than
-        candidates that haven't been yanked. Then:
-
-        If not finding wheels, they are sorted by version only.
-        If finding wheels, then the sort order is by version, then:
-          1. existing installs
-          2. wheels ordered via Wheel.support_index_min(self._supported_tags)
-          3. source archives
-        If prefer_binary was set, then all wheels are sorted above sources.
-
-        Note: it was considered to embed this logic into the Link
-              comparison operators, but then different sdist links
-              with the same version, would have to be considered equal
-        """
-        valid_tags = self._supported_tags
-        support_num = len(valid_tags)
-        build_tag: BuildTag = ()
-        binary_preference = 0
-        link = candidate.link
-        if link.is_wheel:
-            # can raise InvalidWheelFilename
-            wheel = Wheel(link.filename)
-            try:
-                pri = -(
-                    wheel.find_most_preferred_tag(
-                        valid_tags, self._wheel_tag_preferences
-                    )
-                )
-            except ValueError:
-                raise UnsupportedWheel(
-                    f"{wheel.filename} is not a supported wheel for this platform. It "
-                    "can't be sorted."
-                )
-            if self._prefer_binary:
-                binary_preference = 1
-            if wheel.build_tag is not None:
-                match = re.match(r"^(\d+)(.*)$", wheel.build_tag)
-                assert match is not None, "guaranteed by filename validation"
-                build_tag_groups = match.groups()
-                build_tag = (int(build_tag_groups[0]), build_tag_groups[1])
-        else:  # sdist
-            pri = -(support_num)
-        has_allowed_hash = int(link.is_hash_allowed(self._hashes))
-        yank_value = -1 * int(link.is_yanked)  # -1 for yanked.
-        return (
-            has_allowed_hash,
-            yank_value,
-            binary_preference,
-            candidate.version,
-            pri,
-            build_tag,
-        )
-
-    def sort_best_candidate(
-        self,
-        candidates: List[InstallationCandidate],
-    ) -> Optional[InstallationCandidate]:
-        """
-        Return the best candidate per the instance's sort order, or None if
-        no candidate is acceptable.
-        """
-        if not candidates:
-            return None
-        best_candidate = max(candidates, key=self._sort_key)
-        return best_candidate
-
-    def compute_best_candidate(
-        self,
-        candidates: List[InstallationCandidate],
-    ) -> BestCandidateResult:
-        """
-        Compute and return a `BestCandidateResult` instance.
-        """
-        applicable_candidates = self.get_applicable_candidates(candidates)
-
-        best_candidate = self.sort_best_candidate(applicable_candidates)
-
-        return BestCandidateResult(
-            candidates,
-            applicable_candidates=applicable_candidates,
-            best_candidate=best_candidate,
-        )
-
-
-class PackageFinder:
-    """This finds packages.
-
-    This is meant to match easy_install's technique for looking for
-    packages, by reading pages and looking for appropriate links.
-    """
-
-    def __init__(
-        self,
-        link_collector: LinkCollector,
-        target_python: TargetPython,
-        allow_yanked: bool,
-        format_control: Optional[FormatControl] = None,
-        candidate_prefs: Optional[CandidatePreferences] = None,
-        ignore_requires_python: Optional[bool] = None,
-    ) -> None:
-        """
-        This constructor is primarily meant to be used by the create() class
-        method and from tests.
-
-        :param format_control: A FormatControl object, used to control
-            the selection of source packages / binary packages when consulting
-            the index and links.
-        :param candidate_prefs: Options to use when creating a
-            CandidateEvaluator object.
-        """
-        if candidate_prefs is None:
-            candidate_prefs = CandidatePreferences()
-
-        format_control = format_control or FormatControl(set(), set())
-
-        self._allow_yanked = allow_yanked
-        self._candidate_prefs = candidate_prefs
-        self._ignore_requires_python = ignore_requires_python
-        self._link_collector = link_collector
-        self._target_python = target_python
-
-        self.format_control = format_control
-
-        # These are boring links that have already been logged somehow.
-        self._logged_links: Set[Tuple[Link, LinkType, str]] = set()
-
-    # Don't include an allow_yanked default value to make sure each call
-    # site considers whether yanked releases are allowed. This also causes
-    # that decision to be made explicit in the calling code, which helps
-    # people when reading the code.
-    @classmethod
-    def create(
-        cls,
-        link_collector: LinkCollector,
-        selection_prefs: SelectionPreferences,
-        target_python: Optional[TargetPython] = None,
-    ) -> "PackageFinder":
-        """Create a PackageFinder.
-
-        :param selection_prefs: The candidate selection preferences, as a
-            SelectionPreferences object.
-        :param target_python: The target Python interpreter to use when
-            checking compatibility. If None (the default), a TargetPython
-            object will be constructed from the running Python.
-        """
-        if target_python is None:
-            target_python = TargetPython()
-
-        candidate_prefs = CandidatePreferences(
-            prefer_binary=selection_prefs.prefer_binary,
-            allow_all_prereleases=selection_prefs.allow_all_prereleases,
-        )
-
-        return cls(
-            candidate_prefs=candidate_prefs,
-            link_collector=link_collector,
-            target_python=target_python,
-            allow_yanked=selection_prefs.allow_yanked,
-            format_control=selection_prefs.format_control,
-            ignore_requires_python=selection_prefs.ignore_requires_python,
-        )
-
-    @property
-    def target_python(self) -> TargetPython:
-        return self._target_python
-
-    @property
-    def search_scope(self) -> SearchScope:
-        return self._link_collector.search_scope
-
-    @search_scope.setter
-    def search_scope(self, search_scope: SearchScope) -> None:
-        self._link_collector.search_scope = search_scope
-
-    @property
-    def find_links(self) -> List[str]:
-        return self._link_collector.find_links
-
-    @property
-    def index_urls(self) -> List[str]:
-        return self.search_scope.index_urls
-
-    @property
-    def trusted_hosts(self) -> Iterable[str]:
-        for host_port in self._link_collector.session.pip_trusted_origins:
-            yield build_netloc(*host_port)
-
-    @property
-    def allow_all_prereleases(self) -> bool:
-        return self._candidate_prefs.allow_all_prereleases
-
-    def set_allow_all_prereleases(self) -> None:
-        self._candidate_prefs.allow_all_prereleases = True
-
-    @property
-    def prefer_binary(self) -> bool:
-        return self._candidate_prefs.prefer_binary
-
-    def set_prefer_binary(self) -> None:
-        self._candidate_prefs.prefer_binary = True
-
-    def requires_python_skipped_reasons(self) -> List[str]:
-        reasons = {
-            detail
-            for _, result, detail in self._logged_links
-            if result == LinkType.requires_python_mismatch
-        }
-        return sorted(reasons)
-
-    def make_link_evaluator(self, project_name: str) -> LinkEvaluator:
-        canonical_name = canonicalize_name(project_name)
-        formats = self.format_control.get_allowed_formats(canonical_name)
-
-        return LinkEvaluator(
-            project_name=project_name,
-            canonical_name=canonical_name,
-            formats=formats,
-            target_python=self._target_python,
-            allow_yanked=self._allow_yanked,
-            ignore_requires_python=self._ignore_requires_python,
-        )
-
-    def _sort_links(self, links: Iterable[Link]) -> List[Link]:
-        """
-        Returns elements of links in order, non-egg links first, egg links
-        second, while eliminating duplicates
-        """
-        eggs, no_eggs = [], []
-        seen: Set[Link] = set()
-        for link in links:
-            if link not in seen:
-                seen.add(link)
-                if link.egg_fragment:
-                    eggs.append(link)
-                else:
-                    no_eggs.append(link)
-        return no_eggs + eggs
-
-    def _log_skipped_link(self, link: Link, result: LinkType, detail: str) -> None:
-        entry = (link, result, detail)
-        if entry not in self._logged_links:
-            # Put the link at the end so the reason is more visible and because
-            # the link string is usually very long.
-            logger.debug("Skipping link: %s: %s", detail, link)
-            self._logged_links.add(entry)
-
-    def get_install_candidate(
-        self, link_evaluator: LinkEvaluator, link: Link
-    ) -> Optional[InstallationCandidate]:
-        """
-        If the link is a candidate for install, convert it to an
-        InstallationCandidate and return it. Otherwise, return None.
-        """
-        result, detail = link_evaluator.evaluate_link(link)
-        if result != LinkType.candidate:
-            self._log_skipped_link(link, result, detail)
-            return None
-
-        return InstallationCandidate(
-            name=link_evaluator.project_name,
-            link=link,
-            version=detail,
-        )
-
-    def evaluate_links(
-        self, link_evaluator: LinkEvaluator, links: Iterable[Link]
-    ) -> List[InstallationCandidate]:
-        """
-        Convert links that are candidates to InstallationCandidate objects.
-        """
-        candidates = []
-        for link in self._sort_links(links):
-            candidate = self.get_install_candidate(link_evaluator, link)
-            if candidate is not None:
-                candidates.append(candidate)
-
-        return candidates
-
-    def process_project_url(
-        self, project_url: Link, link_evaluator: LinkEvaluator
-    ) -> List[InstallationCandidate]:
-        logger.debug(
-            "Fetching project page and analyzing links: %s",
-            project_url,
-        )
-        index_response = self._link_collector.fetch_response(project_url)
-        if index_response is None:
-            return []
-
-        page_links = list(parse_links(index_response))
-
-        with indent_log():
-            package_links = self.evaluate_links(
-                link_evaluator,
-                links=page_links,
-            )
-
-        return package_links
-
-    @functools.lru_cache(maxsize=None)
-    def find_all_candidates(self, project_name: str) -> List[InstallationCandidate]:
-        """Find all available InstallationCandidate for project_name
-
-        This checks index_urls and find_links.
-        All versions found are returned as an InstallationCandidate list.
-
-        See LinkEvaluator.evaluate_link() for details on which files
-        are accepted.
-        """
-        link_evaluator = self.make_link_evaluator(project_name)
-
-        collected_sources = self._link_collector.collect_sources(
-            project_name=project_name,
-            candidates_from_page=functools.partial(
-                self.process_project_url,
-                link_evaluator=link_evaluator,
-            ),
-        )
-
-        page_candidates_it = itertools.chain.from_iterable(
-            source.page_candidates()
-            for sources in collected_sources
-            for source in sources
-            if source is not None
-        )
-        page_candidates = list(page_candidates_it)
-
-        file_links_it = itertools.chain.from_iterable(
-            source.file_links()
-            for sources in collected_sources
-            for source in sources
-            if source is not None
-        )
-        file_candidates = self.evaluate_links(
-            link_evaluator,
-            sorted(file_links_it, reverse=True),
-        )
-
-        if logger.isEnabledFor(logging.DEBUG) and file_candidates:
-            paths = []
-            for candidate in file_candidates:
-                assert candidate.link.url  # we need to have a URL
-                try:
-                    paths.append(candidate.link.file_path)
-                except Exception:
-                    paths.append(candidate.link.url)  # it's not a local file
-
-            logger.debug("Local files found: %s", ", ".join(paths))
-
-        # This is an intentional priority ordering
-        return file_candidates + page_candidates
-
-    def make_candidate_evaluator(
-        self,
-        project_name: str,
-        specifier: Optional[specifiers.BaseSpecifier] = None,
-        hashes: Optional[Hashes] = None,
-    ) -> CandidateEvaluator:
-        """Create a CandidateEvaluator object to use."""
-        candidate_prefs = self._candidate_prefs
-        return CandidateEvaluator.create(
-            project_name=project_name,
-            target_python=self._target_python,
-            prefer_binary=candidate_prefs.prefer_binary,
-            allow_all_prereleases=candidate_prefs.allow_all_prereleases,
-            specifier=specifier,
-            hashes=hashes,
-        )
-
-    @functools.lru_cache(maxsize=None)
-    def find_best_candidate(
-        self,
-        project_name: str,
-        specifier: Optional[specifiers.BaseSpecifier] = None,
-        hashes: Optional[Hashes] = None,
-    ) -> BestCandidateResult:
-        """Find matches for the given project and specifier.
-
-        :param specifier: An optional object implementing `filter`
-            (e.g. `packaging.specifiers.SpecifierSet`) to filter applicable
-            versions.
-
-        :return: A `BestCandidateResult` instance.
-        """
-        candidates = self.find_all_candidates(project_name)
-        candidate_evaluator = self.make_candidate_evaluator(
-            project_name=project_name,
-            specifier=specifier,
-            hashes=hashes,
-        )
-        return candidate_evaluator.compute_best_candidate(candidates)
-
-    def find_requirement(
-        self, req: InstallRequirement, upgrade: bool
-    ) -> Optional[InstallationCandidate]:
-        """Try to find a Link matching req
-
-        Expects req, an InstallRequirement and upgrade, a boolean
-        Returns a InstallationCandidate if found,
-        Raises DistributionNotFound or BestVersionAlreadyInstalled otherwise
-        """
-        hashes = req.hashes(trust_internet=False)
-        best_candidate_result = self.find_best_candidate(
-            req.name,
-            specifier=req.specifier,
-            hashes=hashes,
-        )
-        best_candidate = best_candidate_result.best_candidate
-
-        installed_version: Optional[_BaseVersion] = None
-        if req.satisfied_by is not None:
-            installed_version = req.satisfied_by.version
-
-        def _format_versions(cand_iter: Iterable[InstallationCandidate]) -> str:
-            # This repeated parse_version and str() conversion is needed to
-            # handle different vendoring sources from pip and pkg_resources.
-            # If we stop using the pkg_resources provided specifier and start
-            # using our own, we can drop the cast to str().
-            return (
-                ", ".join(
-                    sorted(
-                        {str(c.version) for c in cand_iter},
-                        key=parse_version,
-                    )
-                )
-                or "none"
-            )
-
-        if installed_version is None and best_candidate is None:
-            logger.critical(
-                "Could not find a version that satisfies the requirement %s "
-                "(from versions: %s)",
-                req,
-                _format_versions(best_candidate_result.iter_all()),
-            )
-
-            raise DistributionNotFound(f"No matching distribution found for {req}")
-
-        def _should_install_candidate(
-            candidate: Optional[InstallationCandidate],
-        ) -> "TypeGuard[InstallationCandidate]":
-            if installed_version is None:
-                return True
-            if best_candidate is None:
-                return False
-            return best_candidate.version > installed_version
-
-        if not upgrade and installed_version is not None:
-            if _should_install_candidate(best_candidate):
-                logger.debug(
-                    "Existing installed version (%s) satisfies requirement "
-                    "(most up-to-date version is %s)",
-                    installed_version,
-                    best_candidate.version,
-                )
-            else:
-                logger.debug(
-                    "Existing installed version (%s) is most up-to-date and "
-                    "satisfies requirement",
-                    installed_version,
-                )
-            return None
-
-        if _should_install_candidate(best_candidate):
-            logger.debug(
-                "Using version %s (newest of versions: %s)",
-                best_candidate.version,
-                _format_versions(best_candidate_result.iter_applicable()),
-            )
-            return best_candidate
-
-        # We have an existing version, and its the best version
-        logger.debug(
-            "Installed version (%s) is most up-to-date (past versions: %s)",
-            installed_version,
-            _format_versions(best_candidate_result.iter_applicable()),
-        )
-        raise BestVersionAlreadyInstalled
-
-
-def _find_name_version_sep(fragment: str, canonical_name: str) -> int:
-    """Find the separator's index based on the package's canonical name.
-
-    :param fragment: A <package>+<version> filename "fragment" (stem) or
-        egg fragment.
-    :param canonical_name: The package's canonical name.
-
-    This function is needed since the canonicalized name does not necessarily
-    have the same length as the egg info's name part. An example::
-
-    >>> fragment = 'foo__bar-1.0'
-    >>> canonical_name = 'foo-bar'
-    >>> _find_name_version_sep(fragment, canonical_name)
-    8
-    """
-    # Project name and version must be separated by one single dash. Find all
-    # occurrences of dashes; if the string in front of it matches the canonical
-    # name, this is the one separating the name and version parts.
-    for i, c in enumerate(fragment):
-        if c != "-":
-            continue
-        if canonicalize_name(fragment[:i]) == canonical_name:
-            return i
-    raise ValueError(f"{fragment} does not match {canonical_name}")
-
-
-def _extract_version_from_fragment(fragment: str, canonical_name: str) -> Optional[str]:
-    """Parse the version string from a <package>+<version> filename
-    "fragment" (stem) or egg fragment.
-
-    :param fragment: The string to parse. E.g. foo-2.1
-    :param canonical_name: The canonicalized name of the package this
-        belongs to.
-    """
-    try:
-        version_start = _find_name_version_sep(fragment, canonical_name) + 1
-    except ValueError:
-        return None
-    version = fragment[version_start:]
-    if not version:
-        return None
-    return version
diff --git a/venv/lib/python3.11/site-packages/pip/_internal/index/sources.py b/venv/lib/python3.11/site-packages/pip/_internal/index/sources.py
deleted file mode 100644
index f4626d7..0000000
--- a/venv/lib/python3.11/site-packages/pip/_internal/index/sources.py
+++ /dev/null
@@ -1,285 +0,0 @@
-import logging
-import mimetypes
-import os
-from collections import defaultdict
-from typing import Callable, Dict, Iterable, List, Optional, Tuple
-
-from pip._vendor.packaging.utils import (
-    InvalidSdistFilename,
-    InvalidVersion,
-    InvalidWheelFilename,
-    canonicalize_name,
-    parse_sdist_filename,
-    parse_wheel_filename,
-)
-
-from pip._internal.models.candidate import InstallationCandidate
-from pip._internal.models.link import Link
-from pip._internal.utils.urls import path_to_url, url_to_path
-from pip._internal.vcs import is_url
-
-logger = logging.getLogger(__name__)
-
-FoundCandidates = Iterable[InstallationCandidate]
-FoundLinks = Iterable[Link]
-CandidatesFromPage = Callable[[Link], Iterable[InstallationCandidate]]
-PageValidator = Callable[[Link], bool]
-
-
-class LinkSource:
-    @property
-    def link(self) -> Optional[Link]:
-        """Returns the underlying link, if there's one."""
-        raise NotImplementedError()
-
-    def page_candidates(self) -> FoundCandidates:
-        """Candidates found by parsing an archive listing HTML file."""
-        raise NotImplementedError()
-
-    def file_links(self) -> FoundLinks:
-        """Links found by specifying archives directly."""
-        raise NotImplementedError()
-
-
-def _is_html_file(file_url: str) -> bool:
-    return mimetypes.guess_type(file_url, strict=False)[0] == "text/html"
-
-
-class _FlatDirectoryToUrls:
-    """Scans directory and caches results"""
-
-    def __init__(self, path: str) -> None:
-        self._path = path
-        self._page_candidates: List[str] = []
-        self._project_name_to_urls: Dict[str, List[str]] = defaultdict(list)
-        self._scanned_directory = False
-
-    def _scan_directory(self) -> None:
-        """Scans directory once and populates both page_candidates
-        and project_name_to_urls at the same time
-        """
-        for entry in os.scandir(self._path):
-            url = path_to_url(entry.path)
-            if _is_html_file(url):
-                self._page_candidates.append(url)
-                continue
-
-            # File must have a valid wheel or sdist name,
-            # otherwise not worth considering as a package
-            try:
-                project_filename = parse_wheel_filename(entry.name)[0]
-            except (InvalidWheelFilename, InvalidVersion):
-                try:
-                    project_filename = parse_sdist_filename(entry.name)[0]
-                except (InvalidSdistFilename, InvalidVersion):
-                    continue
-
-            self._project_name_to_urls[project_filename].append(url)
-        self._scanned_directory = True
-
-    @property
-    def page_candidates(self) -> List[str]:
-        if not self._scanned_directory:
-            self._scan_directory()
-
-        return self._page_candidates
-
-    @property
-    def project_name_to_urls(self) -> Dict[str, List[str]]:
-        if not self._scanned_directory:
-            self._scan_directory()
-
-        return self._project_name_to_urls
-
-
-class _FlatDirectorySource(LinkSource):
-    """Link source specified by ``--find-links=<path-to-dir>``.
-
-    This looks the content of the directory, and returns:
-
-    * ``page_candidates``: Links listed on each HTML file in the directory.
-    * ``file_candidates``: Archives in the directory.
-    """
-
-    _paths_to_urls: Dict[str, _FlatDirectoryToUrls] = {}
-
-    def __init__(
-        self,
-        candidates_from_page: CandidatesFromPage,
-        path: str,
-        project_name: str,
-    ) -> None:
-        self._candidates_from_page = candidates_from_page
-        self._project_name = canonicalize_name(project_name)
-
-        # Get existing instance of _FlatDirectoryToUrls if it exists
-        if path in self._paths_to_urls:
-            self._path_to_urls = self._paths_to_urls[path]
-        else:
-            self._path_to_urls = _FlatDirectoryToUrls(path=path)
-            self._paths_to_urls[path] = self._path_to_urls
-
-    @property
-    def link(self) -> Optional[Link]:
-        return None
-
-    def page_candidates(self) -> FoundCandidates:
-        for url in self._path_to_urls.page_candidates:
-            yield from self._candidates_from_page(Link(url))
-
-    def file_links(self) -> FoundLinks:
-        for url in self._path_to_urls.project_name_to_urls[self._project_name]:
-            yield Link(url)
-
-
-class _LocalFileSource(LinkSource):
-    """``--find-links=<path-or-url>`` or ``--[extra-]index-url=<path-or-url>``.
-
-    If a URL is supplied, it must be a ``file:`` URL. If a path is supplied to
-    the option, it is converted to a URL first. This returns:
-
-    * ``page_candidates``: Links listed on an HTML file.
-    * ``file_candidates``: The non-HTML file.
-    """
-
-    def __init__(
-        self,
-        candidates_from_page: CandidatesFromPage,
-        link: Link,
-    ) -> None:
-        self._candidates_from_page = candidates_from_page
-        self._link = link
-
-    @property
-    def link(self) -> Optional[Link]:
-        return self._link
-
-    def page_candidates(self) -> FoundCandidates:
-        if not _is_html_file(self._link.url):
-            return
-        yield from self._candidates_from_page(self._link)
-
-    def file_links(self) -> FoundLinks:
-        if _is_html_file(self._link.url):
-            return
-        yield self._link
-
-
-class _RemoteFileSource(LinkSource):
-    """``--find-links=<url>`` or ``--[extra-]index-url=<url>``.
-
-    This returns:
-
-    * ``page_candidates``: Links listed on an HTML file.
-    * ``file_candidates``: The non-HTML file.
-    """
-
-    def __init__(
-        self,
-        candidates_from_page: CandidatesFromPage,
-        page_validator: PageValidator,
-        link: Link,
-    ) -> None:
-        self._candidates_from_page = candidates_from_page
-        self._page_validator = page_validator
-        self._link = link
-
-    @property
-    def link(self) -> Optional[Link]:
-        return self._link
-
-    def page_candidates(self) -> FoundCandidates:
-        if not self._page_validator(self._link):
-            return
-        yield from self._candidates_from_page(self._link)
-
-    def file_links(self) -> FoundLinks:
-        yield self._link
-
-
-class _IndexDirectorySource(LinkSource):
-    """``--[extra-]index-url=<path-to-directory>``.
-
-    This is treated like a remote URL; ``candidates_from_page`` contains logic
-    for this by appending ``index.html`` to the link.
-    """
-
-    def __init__(
-        self,
-        candidates_from_page: CandidatesFromPage,
-        link: Link,
-    ) -> None:
-        self._candidates_from_page = candidates_from_page
-        self._link = link
-
-    @property
-    def link(self) -> Optional[Link]:
-        return self._link
-
-    def page_candidates(self) -> FoundCandidates:
-        yield from self._candidates_from_page(self._link)
-
-    def file_links(self) -> FoundLinks:
-        return ()
-
-
-def build_source(
-    location: str,
-    *,
-    candidates_from_page: CandidatesFromPage,
-    page_validator: PageValidator,
-    expand_dir: bool,
-    cache_link_parsing: bool,
-    project_name: str,
-) -> Tuple[Optional[str], Optional[LinkSource]]:
-    path: Optional[str] = None
-    url: Optional[str] = None
-    if os.path.exists(location):  # Is a local path.
-        url = path_to_url(location)
-        path = location
-    elif location.startswith("file:"):  # A file: URL.
-        url = location
-        path = url_to_path(location)
-    elif is_url(location):
-        url = location
-
-    if url is None:
-        msg = (
-            "Location '%s' is ignored: "
-            "it is either a non-existing path or lacks a specific scheme."
-        )
-        logger.warning(msg, location)
-        return (None, None)
-
-    if path is None:
-        source: LinkSource = _RemoteFileSource(
-            candidates_from_page=candidates_from_page,
-            page_validator=page_validator,
-            link=Link(url, cache_link_parsing=cache_link_parsing),
-        )
-        return (url, source)
-
-    if os.path.isdir(path):
-        if expand_dir:
-            source = _FlatDirectorySource(
-                candidates_from_page=candidates_from_page,
-                path=path,
-                project_name=project_name,
-            )
-        else:
-            source = _IndexDirectorySource(
-                candidates_from_page=candidates_from_page,
-                link=Link(url, cache_link_parsing=cache_link_parsing),
-            )
-        return (url, source)
-    elif os.path.isfile(path):
-        source = _LocalFileSource(
-            candidates_from_page=candidates_from_page,
-            link=Link(url, cache_link_parsing=cache_link_parsing),
-        )
-        return (url, source)
-    logger.warning(
-        "Location '%s' is ignored: it is neither a file nor a directory.",
-        location,
-    )
-    return (url, None)