On Fri, May 08, 2020 at 10:46:45PM +0300, Serhiy Storchaka wrote:

> I propose to add the METH_GENERAL flag, which is applicable to methods 
> as METH_CLASS and METH_STATIC (and is mutually incompatible with them). 
> If it is set, the check for the type of self will be omitted, and you 
> can pass an arbitrary object as the first argument of the unbound method.

Does this effect code written in Python? As I understand, in Python 
code, unbound methods are just plain old functions, and there is no 
type-checking done on `self`.

    py> class C:
    ...     def method(self, arg):
    ...             return (self,)
    ...
    py> C.method(999, None)
    (999,)

So I think your proposal will only affect builtin methods written in C. 
Is that correct?


-- 
Steven
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