[Python-3000] __format__ and datetime

[Eric Smith]

Eric Smith wrote:
> I have a patch to add __format__ to datetime.time, .date, and .datetime. 
>   For non-empty format_spec's, I just pass on to .strftime.  For empty 
> format_spec's, it returns str(self).

What's the best way to call str(self)?

I'm currently doing:
     if (PyUnicode_GetSize(format) == 0)
        return PyObject_CallMethod((PyObject *)self, "__str__", NULL);

Although this works, calling self.__str__ doesn't seem like the right 
thing to do.

Thanks.