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__pycache__	-	Open
appdirs.py	1.67 MB	View DL Edit
compat.py	2.34 MB	View DL Edit
compatibility_tags.py	6.51 MB	View DL Edit
datetime.py	241 B	View DL Edit
deprecation.py	3.62 MB	View DL Edit
direct_url_helpers.py	3.12 MB	View DL Edit
egg_link.py	2.41 MB	View DL Edit
entrypoints.py	3.25 MB	View DL Edit
filesystem.py	4.83 MB	View DL Edit
filetypes.py	715 B	View DL Edit
glibc.py	3.65 MB	View DL Edit
hashes.py	4.86 MB	View DL Edit
logging.py	11.79 MB	View DL Edit
misc.py	22.9 MB	View DL Edit
packaging.py	1.57 MB	View DL Edit
retry.py	1.36 MB	View DL Edit
setuptools_build.py	4.38 MB	View DL Edit
subprocess.py	8.78 MB	View DL Edit
temp_dir.py	9.09 MB	View DL Edit
unpacking.py	11.65 MB	View DL Edit
urls.py	1.56 MB	View DL Edit
virtualenv.py	3.38 MB	View DL Edit
wheel.py	4.39 MB	View DL Edit
_jaraco_text.py	3.27 MB	View DL Edit
_log.py	1015 B	View DL Edit
__init__.py	0 B	View DL Edit

Edit file: /opt/imunify360/venv/lib/python3.11/site-packages/pip/_internal/utils/glibc.py

import os
import sys
from typing import Optional, Tuple

def glibc_version_string() -> Optional[str]:
    "Returns glibc version string, or None if not using glibc."
    return glibc_version_string_confstr() or glibc_version_string_ctypes()

def glibc_version_string_confstr() -> Optional[str]:
    "Primary implementation of glibc_version_string using os.confstr."
    # os.confstr is quite a bit faster than ctypes.DLL. It's also less likely
    # to be broken or missing. This strategy is used in the standard library
    # platform module:
    # https://github.com/python/cpython/blob/fcf1d003bf4f0100c9d0921ff3d70e1127ca1b71/Lib/platform.py#L175-L183
    if sys.platform == "win32":
        return None
    try:
        gnu_libc_version = os.confstr("CS_GNU_LIBC_VERSION")
        if gnu_libc_version is None:
            return None
        # os.confstr("CS_GNU_LIBC_VERSION") returns a string like "glibc 2.17":
        _, version = gnu_libc_version.split()
    except (AttributeError, OSError, ValueError):
        # os.confstr() or CS_GNU_LIBC_VERSION not available (or a bad value)...
        return None
    return version

def glibc_version_string_ctypes() -> Optional[str]:
    "Fallback implementation of glibc_version_string using ctypes."

try:
        import ctypes
    except ImportError:
        return None

# 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.
    #
    # We must also handle the special case where the executable is not a
    # dynamically linked executable. This can occur when using musl libc,
    # for example. In this situation, dlopen() will error, leading to an
    # OSError. Interestingly, at least in the case of musl, there is no
    # errno set on the OSError. The single string argument used to construct
    # OSError comes from libc itself and is therefore not portable to
    # hard code here. In any case, failure to call dlopen() means we
    # can't proceed, so we bail on our attempt.
    try:
        process_namespace = ctypes.CDLL(None)
    except OSError:
        return 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: str = gnu_get_libc_version()
    # py2 / py3 compatibility:
    if not isinstance(version_str, str):
        version_str = version_str.decode("ascii")

return version_str

# 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() -> Tuple[str, str]:
    """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)

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