/lib-python/2.7/ctypes/macholib/dylib.py
Python | 66 lines | 57 code | 3 blank | 6 comment | 0 complexity | 5e64d9a7fb630b07337be45e624f0403 MD5 | raw file
- ######################################################################
- # 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()