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ðŸ“„ __init__.py(26.55 KB)
ðŸ“„ __init__.pyc(27.08 KB)
ðŸ“„ __init__.pyo(27.02 KB)
ðŸ“„ appdirs.py(8.6 KB)
ðŸ“„ appdirs.pyc(8.41 KB)
ðŸ“„ appdirs.pyo(8.41 KB)
ðŸ“„ build.py(1.28 KB)
ðŸ“„ build.pyc(1.68 KB)
ðŸ“„ build.pyo(1.68 KB)
ðŸ“„ deprecation.py(2.18 KB)
ðŸ“„ deprecation.pyc(2.26 KB)
ðŸ“„ deprecation.pyo(2.26 KB)
ðŸ“„ encoding.py(971 B)
ðŸ“„ encoding.pyc(1.25 KB)
ðŸ“„ encoding.pyo(1.25 KB)
ðŸ“„ filesystem.py(899 B)
ðŸ“„ filesystem.pyc(780 B)
ðŸ“„ filesystem.pyo(780 B)
ðŸ“„ glibc.py(2.87 KB)
ðŸ“„ glibc.pyc(1.78 KB)
ðŸ“„ glibc.pyo(1.78 KB)
ðŸ“„ hashes.py(2.8 KB)
ðŸ“„ hashes.pyc(3.87 KB)
ðŸ“„ hashes.pyo(3.87 KB)
ðŸ“„ logging.py(3.25 KB)
ðŸ“„ logging.pyc(4.73 KB)
ðŸ“„ logging.pyo(4.73 KB)
ðŸ“„ outdated.py(5.85 KB)
ðŸ“„ outdated.pyc(5.55 KB)
ðŸ“„ outdated.pyo(5.55 KB)
ðŸ“„ packaging.py(2.03 KB)
ðŸ“„ packaging.pyc(2.4 KB)
ðŸ“„ packaging.pyo(2.4 KB)
ðŸ“„ setuptools_build.py(278 B)
ðŸ“„ setuptools_build.pyc(347 B)
ðŸ“„ setuptools_build.pyo(347 B)
ðŸ“„ ui.py(11.33 KB)
ðŸ“„ ui.pyc(11.41 KB)
ðŸ“„ ui.pyo(11.34 KB)

Editing: hashes.py

from __future__ import absolute_import

import hashlib

from pip.exceptions import HashMismatch, HashMissing, InstallationError
from pip.utils import read_chunks
from pip._vendor.six import iteritems, iterkeys, itervalues

# The recommended hash algo of the moment. Change this whenever the state of
# the art changes; it won't hurt backward compatibility.
FAVORITE_HASH = 'sha256'

# Names of hashlib algorithms allowed by the --hash option and ``pip hash``
# Currently, those are the ones at least as collision-resistant as sha256.
STRONG_HASHES = ['sha256', 'sha384', 'sha512']

class Hashes(object):
    """A wrapper that builds multiple hashes at once and checks them against
    known-good values

"""
    def __init__(self, hashes=None):
        """
        :param hashes: A dict of algorithm names pointing to lists of allowed
            hex digests
        """
        self._allowed = {} if hashes is None else hashes

def check_against_chunks(self, chunks):
        """Check good hashes against ones built from iterable of chunks of
        data.

Raise HashMismatch if none match.

"""
        gots = {}
        for hash_name in iterkeys(self._allowed):
            try:
                gots[hash_name] = hashlib.new(hash_name)
            except (ValueError, TypeError):
                raise InstallationError('Unknown hash name: %s' % hash_name)

for chunk in chunks:
            for hash in itervalues(gots):
                hash.update(chunk)

for hash_name, got in iteritems(gots):
            if got.hexdigest() in self._allowed[hash_name]:
                return
        self._raise(gots)

def _raise(self, gots):
        raise HashMismatch(self._allowed, gots)

def check_against_file(self, file):
        """Check good hashes against a file-like object

Raise HashMismatch if none match.

"""
        return self.check_against_chunks(read_chunks(file))

def check_against_path(self, path):
        with open(path, 'rb') as file:
            return self.check_against_file(file)

def __nonzero__(self):
        """Return whether I know any known-good hashes."""
        return bool(self._allowed)

def __bool__(self):
        return self.__nonzero__()

class MissingHashes(Hashes):
    """A workalike for Hashes used when we're missing a hash for a requirement

It computes the actual hash of the requirement and raises a HashMissing
    exception showing it to the user.

"""
    def __init__(self):
        """Don't offer the ``hashes`` kwarg."""
        # Pass our favorite hash in to generate a "gotten hash". With the
        # empty list, it will never match, so an error will always raise.
        super(MissingHashes, self).__init__(hashes={FAVORITE_HASH: []})

def _raise(self, gots):
        raise HashMissing(gots[FAVORITE_HASH].hexdigest())

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