B

��Re��@s`dd
lm
Z

ddlZddlZddlmZ
er<ddlmZmZ
dd�Z	dd�Z
d	d
�Zdd�ZdS)
�)
�absolute_importN)
�MYPY_CHECK_RUNNING)�Optional�Tuplec
Cst�p
t
�S)
z9Returns glibc version string, or None if not using glibc.)�glibc_version_string_confstr�glibc_version_string_ctypes�rr��/builddir/build/BUILDROOT/alt-python37-pip-20.2.4-6.el8.x86_64/opt/alt/python37/lib/python3.7/site-packages/pip/_internal/utils/glibc.py�glibc_version_stringsr
c
CsDtj
d
krdSyt�d�
��\}}
Wntttfk
r>


dSX|
S)z@Primary implementation of glibc_version_string using os.confstr.�win32N�CS_GNU_LIBC_VERSION)�sys�platform�os�confstr�split�AttributeError�OSError�
ValueError)�
_�versionrrr	rs




rcCsryd
dl}Wnt
k
r 


dSX|�d�
}
y
|
j}Wntk
rJ


dSX|j|_|�}t|t�sn|�	d�
}|S)z=Fallback implementation of glibc_version_string using ctypes.r
N�ascii)
�ctypes�ImportError�CDLL�gnu_get_libc_versionr�c_char_p�restype�
isinstance�str�decode)r�process_namespacer�version_strrrr	r's











rc
Cst�}|d
krdSd|fSd
S)z�Try to determine the glibc version

    Returns a tuple of strings (lib, version) which default to empty strings
    in case the lookup fails.
    N)�r#�glibc)
r
)
�
glibc_versionrrr	�libc_verWs

r&)
�
__future__rrr
�pip._internal.utils.typingr�typingrrr
rrr&rrrr	�<module>s

0