[Python-ideas] Tweaking closures and lexical scoping to include the function being defined
Carl Matthew Johnson
cmjohnson.mailinglist at gmail.com
Fri Sep 30 05:45:32 CEST 2011
On Sep 29, 2011, at 5:35 PM, Ron Adam wrote:
> def adder(y):
> nonlocal x
> x += y
> return x
Won't work as written because the nonlocal will cause an error before the decorator is applied.
The other day, I suggested we add the ability for decorators to have a __prepare__ method that creates the namespace the function being created will use, but it was shot down as impractical. It would however do what you want to do here.
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