[Python-Dev] @decoration of classes

[Eric Nieuwland]

On 26 mrt 2005, at 21:36, Josiah Carlson wrote:
> Eric Nieuwland <eric.nieuwland at xs4all.nl> wrote:
>> Given the ideas so far, would it possible to:
>>
>> def meta(cls):
>> 	...
>>
>> @meta
>> class X(...):
>> 	...
>
> It is not implemented in Python 2.4.  From what I understand, making it
> happen in Python 2.5 would not be terribly difficult.  The question is
> about a "compelling use case".  Is there a use where this syntax is
> significantly better, easier, etc., than an equivalent metaclass?  
> Would
> people use the above syntax if it were available?
>
> What would you use the above syntax to do?

Well, I can imagine using

@meta(MyMetaClass)
class MyClass(...):
	...

instead of

class MyClass(...):
	__metaclass__ = MyMetaClass
	...

Somehow, it seems more aesthetic to me.

--eric