[Python-ideas] Decorators on loops

[Ned Batchelder]

On 1/8/14 6:21 AM, Enric Tejedor wrote:
> Hello,
>
> I would like to discuss a new use of python decorators. I apologize if
> this has already been suggested before.
>
> The basic idea would be to support decorators on loops, in addition to
> functions and classes. Something like this:
>
> @mydecorator
> for i in range(10):
>       # loop body
>
> In mydecorator, I would like to have access to the loop body and the
> iterable object.
In the case of function and class decorators, Python has an object that 
can be passed to the decorator: the function or the class.  For a loop 
decorator, how would you "have access to the loop body"?  It sounds like 
it would have to be compiled differently, into a separate code object?

--Ned.
>
> In my case, I would use this to parallelize the iterations of the loop.
>
>
> Thank you for your feedback,
>
>
> Enric
>
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