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oasis-root

Compiled tree of Oasis Linux based on own branch at <https://hacktivis.me/git/oasis/> git clone https://anongit.hacktivis.me/git/oasis-root.git

dylib.py (1828B)

    

  1. """
  2. Generic dylib path manipulation
  3. """
  5. import re
  7. __all__ = ['dylib_info']
  9. DYLIB_RE = re.compile(r"""(?x)
  10. (?P<location>^.*)(?:^|/)
  11. (?P<name>
  12.     (?P<shortname>\w+?)
  13.     (?:\.(?P<version>[^._]+))?
  14.     (?:_(?P<suffix>[^._]+))?
  15.     \.dylib$
  16. )
  17. """)
  19. def dylib_info(filename):
  20.     """
  21.     A dylib name can take one of the following four forms:
  22.         Location/Name.SomeVersion_Suffix.dylib
  23.         Location/Name.SomeVersion.dylib
  24.         Location/Name_Suffix.dylib
  25.         Location/Name.dylib
  27.     returns None if not found or a mapping equivalent to:
  28.         dict(
  29.             location='Location',
  30.             name='Name.SomeVersion_Suffix.dylib',
  31.             shortname='Name',
  32.             version='SomeVersion',
  33.             suffix='Suffix',
  34.         )
  36.     Note that SomeVersion and Suffix are optional and may be None
  37.     if not present.
  38.     """
  39.     is_dylib = DYLIB_RE.match(filename)
  40.     if not is_dylib:
  41.         return None
  42.     return is_dylib.groupdict()
  45. def test_dylib_info():
  46.     def d(location=None, name=None, shortname=None, version=None, suffix=None):
  47.         return dict(
  48.             location=location,
  49.             name=name,
  50.             shortname=shortname,
  51.             version=version,
  52.             suffix=suffix
  53.         )
  54.     assert dylib_info('completely/invalid') is None
  55.     assert dylib_info('completely/invalide_debug') is None
  56.     assert dylib_info('P/Foo.dylib') == d('P', 'Foo.dylib', 'Foo')
  57.     assert dylib_info('P/Foo_debug.dylib') == d('P', 'Foo_debug.dylib', 'Foo', suffix='debug')
  58.     assert dylib_info('P/Foo.A.dylib') == d('P', 'Foo.A.dylib', 'Foo', 'A')
  59.     assert dylib_info('P/Foo_debug.A.dylib') == d('P', 'Foo_debug.A.dylib', 'Foo_debug', 'A')
  60.     assert dylib_info('P/Foo.A_debug.dylib') == d('P', 'Foo.A_debug.dylib', 'Foo', 'A', 'debug')
  62. if __name__ == '__main__':
  63.     test_dylib_info()