| ###################################################################### |
| # This file should be kept compatible with Python 2.3, see PEP 291. # |
| ###################################################################### |
| """ |
| Generic dylib path manipulation |
| """ |
| |
| import re |
| |
| __all__ = ['dylib_info'] |
| |
| DYLIB_RE = re.compile(r"""(?x) |
| (?P<location>^.*)(?:^|/) |
| (?P<name> |
| (?P<shortname>\w+?) |
| (?:\.(?P<version>[^._]+))? |
| (?:_(?P<suffix>[^._]+))? |
| \.dylib$ |
| ) |
| """) |
| |
| def dylib_info(filename): |
| """ |
| A dylib name can take one of the following four forms: |
| Location/Name.SomeVersion_Suffix.dylib |
| Location/Name.SomeVersion.dylib |
| Location/Name_Suffix.dylib |
| Location/Name.dylib |
| |
| returns None if not found or a mapping equivalent to: |
| dict( |
| location='Location', |
| name='Name.SomeVersion_Suffix.dylib', |
| shortname='Name', |
| version='SomeVersion', |
| suffix='Suffix', |
| ) |
| |
| Note that SomeVersion and Suffix are optional and may be None |
| if not present. |
| """ |
| is_dylib = DYLIB_RE.match(filename) |
| if not is_dylib: |
| return None |
| return is_dylib.groupdict() |
| |
| |
| def test_dylib_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 dylib_info('completely/invalid') is None |
| assert dylib_info('completely/invalide_debug') is None |
| assert dylib_info('P/Foo.dylib') == d('P', 'Foo.dylib', 'Foo') |
| assert dylib_info('P/Foo_debug.dylib') == d('P', 'Foo_debug.dylib', 'Foo', suffix='debug') |
| assert dylib_info('P/Foo.A.dylib') == d('P', 'Foo.A.dylib', 'Foo', 'A') |
| assert dylib_info('P/Foo_debug.A.dylib') == d('P', 'Foo_debug.A.dylib', 'Foo_debug', 'A') |
| assert dylib_info('P/Foo.A_debug.dylib') == d('P', 'Foo.A_debug.dylib', 'Foo', 'A', 'debug') |
| |
| if __name__ == '__main__': |
| test_dylib_info() |
