文件操作 - search_scope.py

文件: /opt/alt/python35/lib/python3.5/site-packages/pip/_internal/models/search_scope.py

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import itertools
import logging
import os
import posixpath

from pip._vendor.packaging.utils import canonicalize_name
from pip._vendor.six.moves.urllib import parse as urllib_parse

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
from pip._internal.utils.typing import MYPY_CHECK_RUNNING

if MYPY_CHECK_RUNNING:
    from typing import List

logger = logging.getLogger(__name__)

class SearchScope(object):

"""
    Encapsulates the locations that pip is configured to search.
    """

__slots__ = ["find_links", "index_urls"]

@classmethod
    def create(
        cls,
        find_links,  # type: List[str]
        index_urls,  # type: List[str]
    ):
        # type: (...) -> 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 = []  # type: 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,
        )

def __init__(
        self,
        find_links,  # type: List[str]
        index_urls,  # type: List[str]
    ):
        # type: (...) -> None
        self.find_links = find_links
        self.index_urls = index_urls

def get_formatted_locations(self):
        # type: () -> 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):
        # type: (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):
            # type: (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]

文件操作 - search_scope.py

文件: /opt/alt/python35/lib/python3.5/site-packages/pip/_internal/models/search_scope.py

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