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""" Generic framework path manipulation """ import re __all__ = ['framework_info'] STRICT_FRAMEWORK_RE = re.compile(r"""(?x) (?P<location>^.*)(?:^|/) (?P<name> (?P<shortname>\w+).framework/ (?:Versions/(?P<version>[^/]+)/)? (?P=shortname) (?:_(?P<suffix>[^_]+))? )$ """) def framework_info(filename): """ A framework name can take one of the following four forms: Location/Name.framework/Versions/SomeVersion/Name_Suffix Location/Name.framework/Versions/SomeVersion/Name Location/Name.framework/Name_Suffix Location/Name.framework/Name returns None if not found, or a mapping equivalent to: dict( location='Location', name='Name.framework/Versions/SomeVersion/Name_Suffix', shortname='Name', version='SomeVersion', suffix='Suffix', ) Note that SomeVersion and Suffix are optional and may be None if not present """ is_framework = STRICT_FRAMEWORK_RE.match(filename) if not is_framework: return None return is_framework.groupdict() def test_framework_info(): def d(location=None, name=None, shortname=None, version=None, suffix=None): return dict( location=location, name=name, shortname=shortname, version=version, suffix=suffix ) assert framework_info('completely/invalid') is None assert framework_info('completely/invalid/_debug') is None assert framework_info('P/F.framework') is None assert framework_info('P/F.framework/_debug') is None assert framework_info('P/F.framework/F') == d('P', 'F.framework/F', 'F') assert framework_info('P/F.framework/F_debug') == d('P', 'F.framework/F_debug', 'F', suffix='debug') assert framework_info('P/F.framework/Versions') is None assert framework_info('P/F.framework/Versions/A') is None assert framework_info('P/F.framework/Versions/A/F') == d('P', 'F.framework/Versions/A/F', 'F', 'A') assert framework_info('P/F.framework/Versions/A/F_debug') == d('P', 'F.framework/Versions/A/F_debug', 'F', 'A', 'debug') if __name__ == '__main__': test_framework_info()