I would like this code to work, but currently python ignores __subclasscheck__ in many places where it checks for subclasses:

class MM(type):
    def __subclasscheck__(self, subclass):
        return issubclass(subclass, type)


class M(type, metaclass=MM):
    pass


class N(type):
    pass


class C(metaclass=M):
    pass


class D(metaclass=N):
    pass


class E(C, D, metaclass=N):
    pass


def main():
    e = E()


main()
_______________________________________________
Python-ideas mailing list -- python-ideas@python.org
To unsubscribe send an email to python-ideas-le...@python.org
https://mail.python.org/mailman3/lists/python-ideas.python.org/
Message archived at 
https://mail.python.org/archives/list/python-ideas@python.org/message/4F6IQD5QIMDZ6BNVB7EZQ2HYKQ3KLZB3/
Code of Conduct: http://python.org/psf/codeofconduct/

Reply via email to