o ÝÅ[h–ã@spddlZddlZddlmZmZdeefdd„Zdeefdd„Zdeefdd „Zdeeeffd d „Z dS) éN)ÚOptionalÚTupleÚreturncCs tƒptƒS)z9Returns glibc version string, or None if not using glibc.)Úglibc_version_string_confstrÚglibc_version_string_ctypes©rrú€/home/ubuntu/experiments/live_experiments/Pythonexperiments/Otree/venv/lib/python3.10/site-packages/pip/_internal/utils/glibc.pyÚglibc_version_strings r c CsTtjdkrdSzt d¡}|durWdS| ¡\}}W|Stttfy)YdSw)z@Primary implementation of glibc_version_string using os.confstr.Úwin32NÚCS_GNU_LIBC_VERSION)ÚsysÚplatformÚosÚconfstrÚsplitÚAttributeErrorÚOSErrorÚ ValueError)Zgnu_libc_versionÚ_Úversionrrrr s  ýþrcCsŒzddl}Wn tyYdSwz| d¡}Wn ty"YdSwz|j}Wn ty2YdSw|j|_|ƒ}t|t ƒsD|  d¡}|S)z=Fallback implementation of glibc_version_string using ctypes.rNÚascii) ÚctypesÚ ImportErrorÚCDLLrÚgnu_get_libc_versionrÚc_char_pÚrestypeÚ isinstanceÚstrÚdecode)rÚprocess_namespacerÚ version_strrrrrs(  ÿ ÿ  ý  rcCstƒ}|dur dSd|fS)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)Úr"Úglibc)r )Ú glibc_versionrrrÚlibc_ver[sr%) rr Útypingrrrr rrr%rrrrÚs<