[Python-Dev] why different between staticmethod and classmethod on non-callable object?

Greg Ewing greg.ewing at canterbury.ac.nz
Wed Sep 2 00:28:06 CEST 2009

Brett Cannon wrote:
> It isn't like it is checking
> explicitly for a function or method, just that it can be called which
> seems reasonable to me (unless PyCallable_Check() is as off as
> callable() was).

I think it just checks that there's something in the
tp_call slot, which is reasonable -- if it's empty,
there's no way that calling the object could ever
succeed, so you might as well fail early.


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