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N)rrr-r-r.rk6szPathDistribution.__init__)rr(c Cs<tttttt"|j|jddW5QRSQRXdS)Nrr) rFileNotFoundErrorIsADirectoryErrorrNotADirectoryErrorPermissionErrorrr rrr-r-r.r=s&zPathDistribution.read_textcCs |jj|Sr0)rparentrr-r-r.rKszPathDistribution.locate_filecs.tjt|j}ttj||p,t j S)zz Performance optimization: where possible, resolve the normalized name from the file system path. ) r#rr8r7rr rr_name_from_stemrr)r,stemrr-r.rNsz!PathDistribution._normalized_namecCs0tj|\}}|dkrdS|d\}}}|S)a7 >>> PathDistribution._name_from_stem('foo-3.0.egg-info') 'foo' >>> PathDistribution._name_from_stem('CherryPy-3.0.dist-info') 'CherryPy' >>> PathDistribution._name_from_stem('face.egg-info') 'face' >>> PathDistribution._name_from_stem('foo.bar') r6Nr7)r#rsplitextr)rTrextr*rrestr-r-r.rSZs z PathDistribution._name_from_stem)r3r4r5rrkr rr7rrr6rrrr8rrVrSrr-r-rr.r5s  r)distribution_namer(cCs t|S)zGet the ``Distribution`` instance for the named package. :param distribution_name: The name of the distribution package as a string. :return: A ``Distribution`` instance (or subclass thereof). )rrrXr-r-r.rlsr'cKs tjf|S)z|Get all ``Distribution`` instances in the current environment. :return: An iterable of ``Distribution`` instances. )rr)rr-r-r.r uscCs t|jS)zGet the metadata for the named package. :param distribution_name: The name of the distribution package to query. :return: A PackageMetadata containing the parsed metadata. )rrr#rYr-r-r.r#}scCs t|jS)zGet the version string for the named package. :param distribution_name: The name of the distribution package to query. :return: The version string for the package as defined in the package's "Version" metadata key. )rr&rYr-r-r.r&s)keycKs,tjddttD}t|jf|S)aReturn EntryPoint objects for all installed packages. 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N)parts)r*toprWr-r-r._topmosts rccCst|pt|pt|S)a Infer a possibly importable module name from a name presumed on sys.path. >>> _get_toplevel_name(PackagePath('foo.py')) 'foo' >>> _get_toplevel_name(PackagePath('foo')) 'foo' >>> _get_toplevel_name(PackagePath('foo.pyc')) 'foo' >>> _get_toplevel_name(PackagePath('foo/__init__.py')) 'foo' >>> _get_toplevel_name(PackagePath('foo.pth')) 'foo.pth' >>> _get_toplevel_name(PackagePath('foo.dist-info')) 'foo.dist-info' )rcr getmodulenamer7r)r-r-r._get_toplevel_names recCs&tttt|j}dd}t||S)NcSsd|kSr!r-r)r-r-r.importable_namesz,_top_level_inferred..importable_name)setrIrerr"rH)rf opt_namesrfr-r-r.r_sr_)Ur#r{rrrr(rrrrrRrar_rr'r\rnrrr _collectionsrrZ_compatrr r r _functoolsr r _itertoolsrrrr contextlibr importlibr importlib.abcrrtypingrrrrrr__all__ModuleNotFoundErrorrr9rWrdtupler PurePosixPathrrrrrrr4rrIrr7rr r#r&r`normalized_namer[r!r"r%r$r^rcrer_r-r-r-r.s      A|1w0/$"!7