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lib / python3.6 / site-packages / pip / utils /

ðŸ“ ..
ðŸ“„ __init__.py(27.11 KB)
ðŸ“ __pycache__
ðŸ“„ appdirs.py(8.6 KB)
ðŸ“„ build.py(1.28 KB)
ðŸ“„ deprecation.py(2.18 KB)
ðŸ“„ encoding.py(971 B)
ðŸ“„ filesystem.py(899 B)
ðŸ“„ glibc.py(2.87 KB)
ðŸ“„ hashes.py(2.8 KB)
ðŸ“„ logging.py(3.25 KB)
ðŸ“„ outdated.py(5.85 KB)
ðŸ“„ packaging.py(2.03 KB)
ðŸ“„ setuptools_build.py(278 B)
ðŸ“„ ui.py(11.33 KB)

Editing: packaging.py

from __future__ import absolute_import

from email.parser import FeedParser

import logging
import sys

from pip._vendor.packaging import specifiers
from pip._vendor.packaging import version
from pip._vendor import pkg_resources

from pip import exceptions

logger = logging.getLogger(__name__)

def check_requires_python(requires_python):
    """
    Check if the python version in use match the `requires_python` specifier.

Returns `True` if the version of python in use matches the requirement.
    Returns `False` if the version of python in use does not matches the
    requirement.

Raises an InvalidSpecifier if `requires_python` have an invalid format.
    """
    if requires_python is None:
        # The package provides no information
        return True
    requires_python_specifier = specifiers.SpecifierSet(requires_python)

# We only use major.minor.micro
    python_version = version.parse('.'.join(map(str, sys.version_info[:3])))
    return python_version in requires_python_specifier

def get_metadata(dist):
    if (isinstance(dist, pkg_resources.DistInfoDistribution) and
            dist.has_metadata('METADATA')):
        return dist.get_metadata('METADATA')
    elif dist.has_metadata('PKG-INFO'):
        return dist.get_metadata('PKG-INFO')

def check_dist_requires_python(dist):
    metadata = get_metadata(dist)
    feed_parser = FeedParser()
    feed_parser.feed(metadata)
    pkg_info_dict = feed_parser.close()
    requires_python = pkg_info_dict.get('Requires-Python')
    try:
        if not check_requires_python(requires_python):
            raise exceptions.UnsupportedPythonVersion(
                "%s requires Python '%s' but the running Python is %s" % (
                    dist.project_name,
                    requires_python,
                    '.'.join(map(str, sys.version_info[:3])),)
            )
    except specifiers.InvalidSpecifier as e:
        logger.warning(
            "Package %s has an invalid Requires-Python entry %s - %s" % (
                dist.project_name, requires_python, e))
        return

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Editing: packaging.py

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