cardinal_pythonlib.metaclasses¶
Original code copyright (C) 2009-2022 Rudolf Cardinal (rudolf@pobox.com).
This file is part of cardinal_pythonlib.
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Support functions to do with metaclasses. IGNORE; NOT WORKING PROPERLY.
-
class
cardinal_pythonlib.metaclasses.
CooperativeMeta
(name: str, bases: Tuple[Type[CT_co], ...], members: Dict[str, Any])[source]¶ The idea is to use this as the metaclass for a class
Derived
that inherits from basesBaseOne
,BaseTwo
, …, whose metaclasses are not of the same type.This should avoid the error:
TypeError: metaclass conflict: the metaclass of a derived class must be a (non-strict) subclass of the metaclasses of all its bases
Code from: https://stackoverflow.com/questions/6557407/triple-inheritance-causes-metaclass-conflict-sometimes.
See also: https://code.activestate.com/recipes/204197-solving-the-metaclass-conflict/.
HOWEVER, it’s not actually working. Does Python 3 have stricter checking than Python 2?
See also https://blog.ionelmc.ro/2015/02/09/understanding-python-metaclasses/.