DeclarativeMeta

x.__call__(...) <==> x(...)

x.__eq__(y) <==> x==y

default object formatter

x.__ge__(y) <==> x>=y

x.__gt__(y) <==> x>y

x.__init__(...) initializes x; see x.__class__.__doc__ for signature

x.__le__(y) <==> x<=y

x.__lt__(y) <==> x<y

x.__ne__(y) <==> x!=y

__sizeof__() -> size of object in memory, in bytes

__subclasses__() -> list of immediate subclasses

Abstract classes can override this to customize issubclass().

This is invoked early on by abc.ABCMeta.__subclasscheck__(). It should return True, False or NotImplemented. If it returns NotImplemented, the normal algorithm is used. Otherwise, it overrides the normal algorithm (and the outcome is cached).