[issue39679] functools: singledispatchmethod doesn't work with classmethod

[Dmitry Kulazhenko]

Dmitry Kulazhenko <dmkulazhenko at gmail.com> added the comment:

Based on what I've read, workaround:


from functools import singledispatchmethod


def _register(self, cls, method=None):
    if hasattr(cls, "__func__"):
        setattr(cls, "__annotations__", cls.__func__.__annotations__)
    return self.dispatcher.register(cls, func=method)


singledispatchmethod.register = _register

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nosy: +dmkulazhenko -EugenePY, FFY00, Viktor Roytman, glyph, levkivskyi, lukasz.langa, markgrandi, mental, ncoghlan, xtreak

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39679>
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