a oev@sdZddlZddlmZddlmZddlmZeeefZ e dej Z e dej Z e d ej Ze d ej Zeed d d ZeedddZeedddZeedddZeedddZeedddZeedddZeedddZdS) zZ Helpers for normalization as expected in wheel/sdist/module file names and core metadata N)Path)Union) packagingz)^([A-Z0-9]|[A-Z0-9][A-Z0-9._-]*[A-Z0-9])$z [^A-Z0-9.]+z [^A-Z0-9]+z,^v?(?P(?:[0-9]+!)?[0-9]+(?:\.[0-9]+)*))namereturncCstdd|}|sJ|S)zMake a string safe to be used as Python identifier. >>> safe_identifier("12abc") '_12abc' >>> safe_identifier("__editable__.myns.pkg-78.9.3_local") '__editable___myns_pkg_78_9_3_local' z \W|^(?=\d)_)resub isidentifier)rsafer :C:\Program Files\Certbot\pkgs\setuptools\_normalization.pysafe_identifiers r) componentrcCs td|S)zEscape a component used as a project name according to Core Metadata. >>> safe_name("hello world") 'hello-world' >>> safe_name("hello?world") 'hello-world' -)_UNSAFE_NAME_CHARSr )rr r r safe_name sr)versionrcCsV|dd}zttj|WStjjyPtd|}ttj|YS0dS)a Convert an arbitrary string into a valid version string. Can still raise an ``InvalidVersion`` exception. To avoid exceptions use ``best_effort_version``. >>> safe_version("1988 12 25") '1988.12.25' >>> safe_version("v0.2.1") '0.2.1' >>> safe_version("v0.2?beta") '0.2b0' >>> safe_version("v0.2 beta") '0.2b0' >>> safe_version("ubuntu lts") Traceback (most recent call last): ... setuptools.extern.packaging.version.InvalidVersion: Invalid version: 'ubuntu.lts'  .rN)replacestrrrZVersionInvalidVersionrr )rvZattemptr r r safe_version+s   rcCsz t|WStjjy|dd}t|}|rP|d}|t|d}nd}|}t d| d}d| d}t|d|YS0dS)aConvert an arbitrary string into a version-like string. Fallback when ``safe_version`` is not safe enough. >>> best_effort_version("v0.2 beta") '0.2b0' >>> best_effort_version("ubuntu lts") '0.dev0+sanitized.ubuntu.lts' >>> best_effort_version("0.23ubuntu1") '0.23.dev0+sanitized.ubuntu1' >>> best_effort_version("0.23-") '0.23.dev0+sanitized' >>> best_effort_version("0.-_") '0.dev0+sanitized' >>> best_effort_version("42.+?1") '42.dev0+sanitized.1' rrr N0z sanitized.z.dev0+) rrrrr_PEP440_FALLBACKsearchlen_NON_ALPHANUMERICr strip)rrmatchr restZ safe_restlocalr r rbest_effort_versionDs   r%)extrarcCstd|dS)zNormalize extra name according to PEP 685 >>> safe_extra("_FrIeNdLy-._.-bArD") 'friendly-bard' >>> safe_extra("FrIeNdLy-._.-bArD__._-") 'friendly-bard' r)r r r!lower)r&r r r safe_extraesr()valuercCs|dddS)zNormalize each component of a filename (e.g. distribution/version part of wheel) Note: ``value`` needs to be already normalized. >>> filename_component("my-pkg") 'my_pkg' rr)rr!r)r r rfilename_componentosr+cCs tt|S)zBLike ``safe_name`` but can be used as filename component for wheel)r+rr*r r r safer_namexsr,cCs tt|S)zLLike ``best_effort_version`` but can be used as filename component for wheel)r+r%r*r r rsafer_best_effort_version~sr-)__doc__r pathlibrtypingrZexternrrZ_PathcompileIZ _VALID_NAMErr rrrrr%r(r+r,r-r r r rs"      !