o i@sddlmZddlZddlmZmZmZmZddlm Z m Z ddl m Z m Z mZeedeeeffZedeZGd d d eZGd d d eZGd ddeZedejZedZedZddd+ddZd,ddZddd-d"d#Zd.d&d'Zd/d)d*Z dS)0) annotationsN)NewTypeTupleUnioncast)Tag parse_tag)InvalidVersionVersion_TrimmedReleaseNormalizedNamec@eZdZdZdS) InvalidNamezW An invalid distribution name; users should refer to the packaging user guide. N__name__ __module__ __qualname____doc__r r r UC:\Users\psant\Downloads\PAF backend\school\venv\Lib\site-packages\packaging/utils.pyrrc@r)InvalidWheelFilenamezM An invalid wheel filename was found, users should refer to PEP 427. Nrr r r rrrrc@r)InvalidSdistFilenamez^ An invalid sdist filename was found, users should refer to the packaging user guide. Nrr r r rrrrz%[A-Z0-9]|[A-Z0-9][A-Z0-9._-]*[A-Z0-9]z+[a-z0-9]|[a-z0-9]([a-z0-9-](?!--))*[a-z0-9]z (\d+)(.*)F)validatenamestrrboolreturncCsZ|rt|std||dddd}d|vr(|dd}d|vstd|S)Nzname is invalid: _-.z--r)_validate_regex fullmatchrlowerreplacer)rrvaluer r rcanonicalize_name*s  r'cCst|duS)N)_normalized_regexr#)rr r ris_normalized_name7sr)T)strip_trailing_zeroversion Version | strr*cCsHt|trzt|}Wn tyt|YSwt|r!t|S|S)a Return a canonical form of a version as a string. >>> canonicalize_version('1.0.1') '1.0.1' Per PEP 625, versions may have multiple canonical forms, differing only by trailing zeros. >>> canonicalize_version('1.0.0') '1' >>> canonicalize_version('1.0.0', strip_trailing_zero=False) '1.0.0' Invalid versions are returned unaltered. >>> canonicalize_version('foo bar baz') 'foo bar baz' N) isinstancerr r r )r+r*r r rcanonicalize_version;s    r.filename8tuple[NormalizedName, Version, BuildTag, frozenset[Tag]]c Cs:|ds td||dd}|d}|dvr"td||d|d}|d}d |vsr'r)r.rIrPr r r rs&      +