FM / utils

/usr/lib/python2.7/site-packages/pip/utils/

/usr/lib/python2.7/site-packages/pip/utils

Name	Size	Mode	Actions
appdirs.py	8811	0644	edit dl rm
appdirs.pyc	8607	0644	edit dl rm
appdirs.pyo	8607	0644	edit dl rm
build.py	1312	0644	edit dl rm
build.pyc	1719	0644	edit dl rm
build.pyo	1719	0644	edit dl rm
deprecation.py	2232	0644	edit dl rm
deprecation.pyc	2317	0644	edit dl rm
deprecation.pyo	2317	0644	edit dl rm
encoding.py	971	0644	edit dl rm
encoding.pyc	1282	0644	edit dl rm
encoding.pyo	1282	0644	edit dl rm
filesystem.py	899	0644	edit dl rm
filesystem.pyc	780	0644	edit dl rm
filesystem.pyo	780	0644	edit dl rm
glibc.py	2939	0644	edit dl rm
glibc.pyc	1826	0644	edit dl rm
glibc.pyo	1826	0644	edit dl rm
hashes.py	2866	0644	edit dl rm
hashes.pyc	3961	0644	edit dl rm
hashes.pyo	3961	0644	edit dl rm
logging.py	3327	0644	edit dl rm
logging.pyc	4842	0644	edit dl rm
logging.pyo	4842	0644	edit dl rm
outdated.py	5989	0644	edit dl rm
outdated.pyc	5680	0644	edit dl rm
outdated.pyo	5680	0644	edit dl rm
packaging.py	2080	0644	edit dl rm
packaging.pyc	2461	0644	edit dl rm
packaging.pyo	2461	0644	edit dl rm
setuptools_build.py	278	0644	edit dl rm
setuptools_build.pyc	347	0644	edit dl rm
setuptools_build.pyo	347	0644	edit dl rm
ui.py	11597	0644	edit dl rm
ui.pyc	11683	0644	edit dl rm
ui.pyo	11613	0644	edit dl rm
__init__.py	27187	0644	edit dl rm
__init__.pyc	27725	0644	edit dl rm
__init__.pyo	27666	0644	edit dl rm

Edit: /usr/lib/python2.7/site-packages/pip/utils/glibc.py (2939B)

from __future__ import absolute_import

import re
import ctypes
import platform
import warnings

def glibc_version_string():
    "Returns glibc version string, or None if not using glibc."

# ctypes.CDLL(None) internally calls dlopen(NULL), and as the dlopen
    # manpage says, "If filename is NULL, then the returned handle is for the
    # main program". This way we can let the linker do the work to figure out
    # which libc our process is actually using.
    process_namespace = ctypes.CDLL(None)
    try:
        gnu_get_libc_version = process_namespace.gnu_get_libc_version
    except AttributeError:
        # Symbol doesn't exist -> therefore, we are not linked to
        # glibc.
        return None

# Call gnu_get_libc_version, which returns a string like "2.5"
    gnu_get_libc_version.restype = ctypes.c_char_p
    version_str = gnu_get_libc_version()
    # py2 / py3 compatibility:
    if not isinstance(version_str, str):
        version_str = version_str.decode("ascii")

return version_str

# Separated out from have_compatible_glibc for easier unit testing
def check_glibc_version(version_str, required_major, minimum_minor):
    # Parse string and check against requested version.
    #
    # We use a regexp instead of str.split because we want to discard any
    # random junk that might come after the minor version -- this might happen
    # in patched/forked versions of glibc (e.g. Linaro's version of glibc
    # uses version strings like "2.20-2014.11"). See gh-3588.
    m = re.match(r"(?P<major>[0-9]+)\.(?P<minor>[0-9]+)", version_str)
    if not m:
        warnings.warn("Expected glibc version with 2 components major.minor,"
                      " got: %s" % version_str, RuntimeWarning)
        return False
    return (int(m.group("major")) == required_major and
            int(m.group("minor")) >= minimum_minor)

def have_compatible_glibc(required_major, minimum_minor):
    version_str = glibc_version_string()
    if version_str is None:
        return False
    return check_glibc_version(version_str, required_major, minimum_minor)

# platform.libc_ver regularly returns completely nonsensical glibc
# versions. E.g. on my computer, platform says:
#
#   ~$ python2.7 -c 'import platform; print(platform.libc_ver())'
#   ('glibc', '2.7')
#   ~$ python3.5 -c 'import platform; print(platform.libc_ver())'
#   ('glibc', '2.9')
#
# But the truth is:
#
#   ~$ ldd --version
#   ldd (Debian GLIBC 2.22-11) 2.22
#
# This is unfortunate, because it means that the linehaul data on libc
# versions that was generated by pip 8.1.2 and earlier is useless and
# misleading. Solution: instead of using platform, use our code that actually
# works.
def libc_ver():
    glibc_version = glibc_version_string()
    if glibc_version is None:
        # For non-glibc platforms, fall back on platform.libc_ver
        return platform.libc_ver()
    else:
        return ("glibc", glibc_version)

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