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d Z d Z d S( i ( t absolute_importN( t MYPY_CHECK_RUNNING( t Optionalt Tuplec C@ s t p t S( s9 Returns glibc version string, or None if not using glibc.( t glibc_version_string_confstrt glibc_version_string_ctypes( ( ( s /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/utils/glibc.pyt glibc_version_string s c C@ sT t j d k r d Sy t j d j \ } } Wn t t t f k
rO d SX| S( s@ Primary implementation of glibc_version_string using os.confstr.t win32t CS_GNU_LIBC_VERSIONN( t syst platformt Nonet ost confstrt splitt AttributeErrort OSErrort
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d } n | S( s= Fallback implementation of glibc_version_string using ctypes.i Nt ascii( t ctypest ImportErrorR t CDLLt gnu_get_libc_versionR t c_char_pt restypet
isinstancet strt decode( R t process_namespaceR t version_str( ( s /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_internal/utils/glibc.pyR ' s
c C@ s' t } | d k r d Sd | f Sd S( s Try to determine the glibc version
Returns a tuple of strings (lib, version) which default to empty strings
in case the lookup fails.
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