diff options
Diffstat (limited to '.venv/lib/python3.12/site-packages/pip/_internal/models/search_scope.py')
-rw-r--r-- | .venv/lib/python3.12/site-packages/pip/_internal/models/search_scope.py | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/pip/_internal/models/search_scope.py b/.venv/lib/python3.12/site-packages/pip/_internal/models/search_scope.py new file mode 100644 index 00000000..ee7bc862 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/pip/_internal/models/search_scope.py @@ -0,0 +1,127 @@ +import itertools +import logging +import os +import posixpath +import urllib.parse +from dataclasses import dataclass +from typing import List + +from pip._vendor.packaging.utils import canonicalize_name + +from pip._internal.models.index import PyPI +from pip._internal.utils.compat import has_tls +from pip._internal.utils.misc import normalize_path, redact_auth_from_url + +logger = logging.getLogger(__name__) + + +@dataclass(frozen=True) +class SearchScope: + """ + Encapsulates the locations that pip is configured to search. + """ + + __slots__ = ["find_links", "index_urls", "no_index"] + + find_links: List[str] + index_urls: List[str] + no_index: bool + + @classmethod + def create( + cls, + find_links: List[str], + index_urls: List[str], + no_index: bool, + ) -> "SearchScope": + """ + Create a SearchScope object after normalizing the `find_links`. + """ + # Build find_links. If an argument starts with ~, it may be + # a local file relative to a home directory. So try normalizing + # it and if it exists, use the normalized version. + # This is deliberately conservative - it might be fine just to + # blindly normalize anything starting with a ~... + built_find_links: List[str] = [] + for link in find_links: + if link.startswith("~"): + new_link = normalize_path(link) + if os.path.exists(new_link): + link = new_link + built_find_links.append(link) + + # If we don't have TLS enabled, then WARN if anyplace we're looking + # relies on TLS. + if not has_tls(): + for link in itertools.chain(index_urls, built_find_links): + parsed = urllib.parse.urlparse(link) + if parsed.scheme == "https": + logger.warning( + "pip is configured with locations that require " + "TLS/SSL, however the ssl module in Python is not " + "available." + ) + break + + return cls( + find_links=built_find_links, + index_urls=index_urls, + no_index=no_index, + ) + + def get_formatted_locations(self) -> str: + lines = [] + redacted_index_urls = [] + if self.index_urls and self.index_urls != [PyPI.simple_url]: + for url in self.index_urls: + redacted_index_url = redact_auth_from_url(url) + + # Parse the URL + purl = urllib.parse.urlsplit(redacted_index_url) + + # URL is generally invalid if scheme and netloc is missing + # there are issues with Python and URL parsing, so this test + # is a bit crude. See bpo-20271, bpo-23505. Python doesn't + # always parse invalid URLs correctly - it should raise + # exceptions for malformed URLs + if not purl.scheme and not purl.netloc: + logger.warning( + 'The index url "%s" seems invalid, please provide a scheme.', + redacted_index_url, + ) + + redacted_index_urls.append(redacted_index_url) + + lines.append( + "Looking in indexes: {}".format(", ".join(redacted_index_urls)) + ) + + if self.find_links: + lines.append( + "Looking in links: {}".format( + ", ".join(redact_auth_from_url(url) for url in self.find_links) + ) + ) + return "\n".join(lines) + + def get_index_urls_locations(self, project_name: str) -> List[str]: + """Returns the locations found via self.index_urls + + Checks the url_name on the main (first in the list) index and + use this url_name to produce all locations + """ + + def mkurl_pypi_url(url: str) -> str: + loc = posixpath.join( + url, urllib.parse.quote(canonicalize_name(project_name)) + ) + # For maximum compatibility with easy_install, ensure the path + # ends in a trailing slash. Although this isn't in the spec + # (and PyPI can handle it without the slash) some other index + # implementations might break if they relied on easy_install's + # behavior. + if not loc.endswith("/"): + loc = loc + "/" + return loc + + return [mkurl_pypi_url(url) for url in self.index_urls] |