metaclasses (beginner question)

[James Stroud]

Peter Otten wrote:
> You determine the factory Python uses to
> make a class by adding
> 
> __metaclass__ = factory
> 
> to the class body, so you'll probably end with something like
> 
> class ProducerHandlerType(type):
>     # your code 
> 
> class A:
>     __metaclass__ = ProducerHandlerType
> 
> The subclasses of A will now invoke your customised metaclass machinery.

This is the most perfectly succinct description of the __metaclass__ 
attribute I have ever seen. Beautiful.

James