On Sat, Mar 26, 2022 at 10:50 AM malmiteria <martin.mi...@ensc.fr> wrote:
> why does it have to be automatic? > because that's the entire point of super() -- if you don't want automatic, do what you want by making direct method calls. > if they think one is more specialized than the other, they make one > inherit from the other, they don't set them both as parent of a third. > I think the best use case for multiple inheritance is mixins -- which do have a natural order -- as you say, in other cases, you can do single inheritance. > Tho, to make it clear, i've no doubt it's doable without super today. My > point is that MRO as it is, has some flaws. > Also, super() actually calls the method on all the superclasses (but not the same one twice) -- so that right to left thing doesn't matter. It does matter with regular calling of methods, though, but you need SOME rule there. -CHB > Also, Eventual hierarchy where the rule won't fit are simply not allowed > today, no matter your use of super. > take this one for example : > ``` > class A(X, Y): pass > class B(Y, X): pass > class C(A, B): pass > ``` > > This code fails, you can overcome it through composition, but > nevertheless, this doesn't justify this problem. > Essentially it's a case of "this is broken, but something else close > enough isn't". It works, but it's still broken > > > Oh and just to make it more explicit, MRO and super are two different > concern of mine here. They could be addressed separately, but since those > feature are related, i felt like sharing it in one post > _______________________________________________ > 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/NH5JOZUHEN7TPNCFDQKJXFJHXQL6MTI2/ > Code of Conduct: http://python.org/psf/codeofconduct/ > -- Christopher Barker, PhD (Chris) Python Language Consulting - Teaching - Scientific Software Development - Desktop GUI and Web Development - wxPython, numpy, scipy, Cython
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