a !ft @s(dZddlZddlZddlZddlZddlmZmZmZm Z ddl m Z GdddeZ e ee dd d Zee ee d d d Ze e ee dddZedkr$ddlZeZedsJdedeedeejedddeeddedddD]ZeeddqdS)zPEP 656 support. This module implements logic to detect if the currently running Python is linked against musl, and what musl version is used. N)Iterator NamedTupleOptionalSequence)ELFFilec@seZdZUeed<eed<dS) _MuslVersionmajorminorN)__name__ __module__ __qualname__int__annotations__rrU/var/www/html/python-backend/venv/lib/python3.9/site-packages/packaging/_musllinux.pyrs r)outputreturncCsxdddd|DD}t|dks<|ddddkr@dStd |d }|sXdStt|d t|dd S) NcSsg|] }|r|qSrr.0nrrr z'_parse_musl_version..css|]}|VqdS)N)striprrrr rz&_parse_musl_version..rmuslzVersion (\d+)\.(\d+)r)r r ) splitlineslenrematchrrgroup)rlinesmrrr_parse_musl_versions r%) executablerc Csz8t|d}t|j}Wdn1s,0YWntttfyRYdS0|dusdd|vrhdStj|gtjdd}t |j S)a`Detect currently-running musl runtime version. This is done by checking the specified executable's dynamic linking information, and invoking the loader to parse its output for a version string. If the loader is musl, the output would be something like:: musl libc (x86_64) Version 1.2.2 Dynamic Program Loader rbNrT)stderrtext) openr interpreterOSError TypeError ValueError subprocessrunPIPEr%r()r&fldprocrrr_get_musl_versions  ,r5)archsrccsRttj}|durdS|D]2}t|jddD]}d|jd|d|Vq,qdS)aGenerate musllinux tags compatible to the current platform. :param archs: Sequence of compatible architectures. The first one shall be the closest to the actual architecture and be the part of platform tag after the ``linux_`` prefix, e.g. ``x86_64``. The ``linux_`` prefix is assumed as a prerequisite for the current platform to be musllinux-compatible. :returns: An iterator of compatible musllinux tags. N musllinux__)r5sysr&ranger r )r6sys_muslarchr rrr platform_tags6s r>__main__zlinux-z not linuxzplat:zmusl:ztags: )endz[.-]r9-r7z )__doc__ functoolsr r/r:typingrrrrZ_elffilerrstrr% lru_cacher5r>r sysconfig get_platformplat startswithprintr&subsplittrrrrs(     "