[Python-3000] Metaclass Vs Class Decorator

[Georg Brandl]

paul bedaride schrieb:
> I see the peps 3115 and 3129 about metaclass and class decorators.
> 
> I think that the pep 3129 need to be improved for show the way to declare
> the decorator and not just the way to appy them.
> 
> I also wonder if we need this two things, and if that is not two way to 
> explain
> the same semantic.
> 
> It's why a want to know how to express the class decorator for making a 
> comparison

A class decorator works exactly like a function decorator, that is,

@foo
class X: ...

is equivalent to

class X: ...
X = foo(X)

This should be all you need to know in order to write a class decorator.

Georg

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