[Python-3000] Adding __format__ to object

[Eric Smith]

Christian Heimes wrote:
> Eric Smith wrote:
>> Any pointers are appreciated.  Something as simple as "look at foo.c" or 
>> "grep for __baz__" would be good enough.
> 
> look at Objects/typeobject.c and grep for PyMethodDef object_methods[]

I should have mentioned that's among the things I've already tried.

But that appears to add methods to 'type', not to an instance of 
'object'.  If you do dir(object()):

$ ./python
Python 3.0x (py3k:57077M, Aug 16 2007, 10:10:04)
[GCC 3.3.3 20040412 (Red Hat Linux 3.3.3-7)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
 >>> dir(object())
['__class__', '__delattr__', '__doc__', '__eq__', '__ge__', 
'__getattribute__', '__gt__', '__hash__', '__init__', '__le__', 
'__lt__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', 
'__repr__', '__setattr__', '__str__']

You don't see the methods in typeobject.c (__mro__, etc).

This is pretty much the last hurdle in finishing my implementation of 
PEP 3101.  The rest of it is either done, or just involves refactoring 
existing code.

Eric.