Finding all classes in a module

[Hans Nowak]

Tom Harris wrote:
> If I import a module, how do I find the names of the class objects it
> contains?

The replies you got so far only seem to work for old-style classes:

 >>> import types
 >>> class D(dict): pass

 >>> isinstance(D, types.ClassType)
0

I think this should work for new-style classes, though:

 >>> isinstance(D, type)
1

So, to find both types of classes, do something like

   if isinstance(obj, types.ClassType) or isinstance(obj, type):
       ...

HTH,

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