b]c@@sddlmZddlZddlZddlZddlmZercddlmZm Z ndZ dZ dZ dZ d Zd ZdS( i(tabsolute_importN(tMYPY_CHECK_RUNNING(tOptionaltTuplecC@stptS(s9Returns glibc version string, or None if not using glibc.(tglibc_version_string_confstrtglibc_version_string_ctypes(((s8lib/python2.7/site-packages/pip/_internal/utils/glibc.pytglibc_version_string scC@sAytjdj\}}Wntttfk r<dSX|S(s@Primary implementation of glibc_version_string using os.confstr.tCS_GNU_LIBC_VERSIONN(tostconfstrtsplittAttributeErrortOSErrort ValueErrortNone(t_tversion((s8lib/python2.7/site-packages/pip/_internal/utils/glibc.pyRs cC@syddl}Wntk r$dSX|jd}y |j}Wntk rUdSX|j|_|}t|t s|j d}n|S(s=Fallback implementation of glibc_version_string using ctypes.iNtascii( tctypest ImportErrorRtCDLLtgnu_get_libc_versionR tc_char_ptrestypet isinstancetstrtdecode(Rtprocess_namespaceRt version_str((s8lib/python2.7/site-packages/pip/_internal/utils/glibc.pyR#s     cC@sdtjd|}|s0tjd|ttSt|jd|koct|jd|kS(Ns$(?P[0-9]+)\.(?P[0-9]+)s=Expected glibc version with 2 components major.minor, got: %stmajortminor(tretmatchtwarningstwarntRuntimeWarningtFalsetinttgroup(Rtrequired_majort minimum_minortm((s8lib/python2.7/site-packages/pip/_internal/utils/glibc.pytcheck_glibc_versionCs  cC@s)t}|dkrtSt|||S(N(RRR$R*(R'R(R((s8lib/python2.7/site-packages/pip/_internal/utils/glibc.pythave_compatible_glibcTs  cC@s't}|dkrdSd|fSdS(sTry to determine the glibc version Returns a tuple of strings (lib, version) which default to empty strings in case the lookup fails. ttglibcN(R,R,(RR(t glibc_version((s8lib/python2.7/site-packages/pip/_internal/utils/glibc.pytlibc_verms  (t __future__RRRR!tpip._internal.utils.typingRttypingRRRRRR*R+R/(((s8lib/python2.7/site-packages/pip/_internal/utils/glibc.pyts