Lines Matching refs:subclass

54     def register(cls, subclass):  argument
59         if not isinstance(subclass, type):
61         if issubclass(subclass, cls):
62             return subclass  # Already a subclass
65         if issubclass(cls, subclass):
68         cls._abc_registry.add(subclass)
70         return subclass
95         subclass = instance.__class__
96         if subclass in cls._abc_cache:
99         if subtype is subclass:
102                 subclass in cls._abc_negative_cache):
105             return cls.__subclasscheck__(subclass)
106         return any(cls.__subclasscheck__(c) for c in (subclass, subtype))
108     def __subclasscheck__(cls, subclass):  argument
110         if not isinstance(subclass, type):
113         if subclass in cls._abc_cache:
120         elif subclass in cls._abc_negative_cache:
123         ok = cls.__subclasshook__(subclass)
127                 cls._abc_cache.add(subclass)
129                 cls._abc_negative_cache.add(subclass)
132         if cls in getattr(subclass, '__mro__', ()):
133             cls._abc_cache.add(subclass)
137             if issubclass(subclass, rcls):
138                 cls._abc_cache.add(subclass)
142             if issubclass(subclass, scls):
143                 cls._abc_cache.add(subclass)
146         cls._abc_negative_cache.add(subclass)