a [f& @spddlZddlZddlmZmZeedddZeedddZeeddd Zeeefdd d Z dS) N)OptionalTuple)returncCs tp tS)z9Returns glibc version string, or None if not using glibc.)glibc_version_string_confstrglibc_version_string_ctypesrrkC:\Users\91910\OneDrive\Desktop\vts_admin_rebuild-master\vts\Lib\site-packages\pip/_internal/utils/glibc.pyglibc_version_string sr c CsDtjdkrdSztd\}}Wntttfy>YdS0|S)z@Primary implementation of glibc_version_string using os.confstr.win32NCS_GNU_LIBC_VERSION)sysplatformosconfstrsplitAttributeErrorOSError ValueError)_versionrrrrs rcCsrz ddl}Wnty YdS0|d}z |j}WntyJYdS0|j|_|}t|tsn| d}|S)z=Fallback implementation of glibc_version_string using ctypes.rNascii) ctypes ImportErrorCDLLgnu_get_libc_versionrc_char_prestype isinstancestrdecode)rprocess_namespacer version_strrrrrs       rcCst}|durdSd|fSdS)zTry 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_versionrrrlibc_verNsr%) rr typingrrrr rrr%rrrrs /