Yes, it's supposed to work. There's tons of special code to support it, and documentation (e.g. https://docs.python.org/3/reference/datamodel.html?highlight=__mro_entries__#resolving-mro-entries ).
Now, I think it was an attempt at getting too fancy, but we can't remove the functionality without deprecation etc. -- __mro_entries__ was introduced in Python 3.7 by PEP 560 to support it (but the support itself is much older). On Sat, Mar 5, 2022 at 9:50 AM Steven D'Aprano <st...@pearwood.info> wrote: > On Sat, Mar 05, 2022 at 04:42:55PM -0000, Jason Madden wrote: > > > zope.interface relies on this behaviour. > > The example you give shows that Interface is a class. It merely has a > metaclass which is not `type`. (I presume that is what's going on > behind the scenes.) > > I'm asking about the example that Serhiy shows, where a class inherits > from something which is not a class at all. In his example, the base is > 1, although it gives a TypeError. I'm asking if that sort of thing is > suppposed to work, and if so, how? > > > -- > Steve > _______________________________________________ > Python-Dev mailing list -- python-dev@python.org > To unsubscribe send an email to python-dev-le...@python.org > https://mail.python.org/mailman3/lists/python-dev.python.org/ > Message archived at > https://mail.python.org/archives/list/python-dev@python.org/message/E2IWXPFY32R6JS22XXFORMNQTI4S6AOK/ > Code of Conduct: http://python.org/psf/codeofconduct/ > -- --Guido van Rossum (python.org/~guido) *Pronouns: he/him **(why is my pronoun here?)* <http://feministing.com/2015/02/03/how-using-they-as-a-singular-pronoun-can-change-the-world/>
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