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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2022-01-26 14:47
_vendor	[ DIR ]	drwxr-xr-x	2022-01-26 14:47
command	[ DIR ]	drwxr-xr-x	2022-01-26 14:47
extern	[ DIR ]	drwxr-xr-x	2022-01-26 14:47
__init__.py	5.57 KB	-rw-r--r--	2019-08-07 16:59
archive_util.py	6.44 KB	-rw-r--r--	2019-08-07 16:59
build_meta.py	5.54 KB	-rw-r--r--	2019-08-07 16:59
config.py	17.58 KB	-rw-r--r--	2019-08-07 16:59
dep_util.py	935 B	-rw-r--r--	2019-08-07 16:59
depends.py	5.7 KB	-rw-r--r--	2019-08-07 16:59
dist.py	41.61 KB	-rw-r--r--	2019-08-07 16:59
extension.py	1.69 KB	-rw-r--r--	2019-08-07 16:59
glibc.py	3.07 KB	-rw-r--r--	2019-08-07 16:59
glob.py	5.08 KB	-rw-r--r--	2019-08-07 16:59
launch.py	787 B	-rw-r--r--	2019-08-07 16:59
lib2to3_ex.py	1.97 KB	-rw-r--r--	2019-08-07 16:59
monkey.py	5.14 KB	-rw-r--r--	2019-08-07 16:59
msvc.py	39.92 KB	-rw-r--r--	2019-08-07 16:59
namespaces.py	3.12 KB	-rw-r--r--	2019-08-07 16:59
package_index.py	39.2 KB	-rw-r--r--	2019-08-07 16:59
pep425tags.py	10.62 KB	-rw-r--r--	2019-08-07 16:59
py27compat.py	536 B	-rw-r--r--	2019-08-07 16:59
py31compat.py	1.16 KB	-rw-r--r--	2019-08-07 16:59
py33compat.py	1.15 KB	-rw-r--r--	2019-08-07 16:59
py36compat.py	2.82 KB	-rw-r--r--	2019-08-07 16:59
sandbox.py	13.94 KB	-rw-r--r--	2019-08-07 16:59
script (dev).tmpl	201 B	-rw-r--r--	2019-08-07 16:59
script.tmpl	138 B	-rw-r--r--	2019-08-07 16:59
site-patch.py	2.25 KB	-rw-r--r--	2019-08-07 16:59
ssl_support.py	8.29 KB	-rw-r--r--	2019-08-07 16:59
unicode_utils.py	996 B	-rw-r--r--	2019-08-07 16:59
version.py	144 B	-rw-r--r--	2019-08-07 16:59
wheel.py	7.6 KB	-rw-r--r--	2019-08-07 16:59
windows_support.py	714 B	-rw-r--r--	2019-08-07 16:59

Rename

# This file originally from pip:
# https://github.com/pypa/pip/blob/8f4f15a5a95d7d5b511ceaee9ed261176c181970/src/pip/_internal/utils/glibc.py
from __future__ import absolute_import

import ctypes
import re
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():
    """Try to determine the glibc version

Returns a tuple of strings (lib, version) which default to empty strings
    in case the lookup fails.
    """
    glibc_version = glibc_version_string()
    if glibc_version is None:
        return ("", "")
    else:
        return ("glibc", glibc_version)