[issue5867] No way to create an abstract classmethod

[Guido van Rossum]

Guido van Rossum <guido at python.org> added the comment:

As you figured out it is not yet supported.

I object to making changes to the classmethod implementation.

I expect the best thing to do is to add a new

@abc.abstractclassmethod

decorator defined in pure Python (maybe the definition of abstractproperty provides a hint on how to do this).

You may want to define @abc.abstractstaticmethod as well.

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