Re: [Pyobjc-dev] __subclasses__

[Ronald O. <ous...@ci...>]

On Friday, Jun 6, 2003, at 20:24 Europe/Amsterdam, Just van Rossum 
wrote:

> It's amazing how well Ronald managed to integrate ObjC classes with
> Python classes. Eg. cls.__subclasses__() Just Works:
>
>
>   from Foundation import NSObject
>   import AppKit  # just to load the AppKit classes
>
>   def walk(cls, indent=""):
>       subclasses = cls.__subclasses__()
>       print indent + cls.__name__
>       if subclasses:
>           subclasses = [(sub.__name__, sub) for sub in subclasses]
>           subclasses.sort()
>           for name, sub in subclasses:
>               walk(sub, indent + "    ")
>
>   walk(NSObject)
>
>
> I'd say that's pretty neat.

It sure is, and I didn't have to do anything special to get this (e.g. 
I'm as surprised as you that this works).

Ronald