[Python-ideas] make __closure__ writable

[Yury Selivanov]

On 2012-03-25, at 8:32 PM, Victor Stinner wrote:

> 2012/3/16 Yury Selivanov <yselivanov.ml at gmail.com>:
>> Can we make the __closure__ attribute writeable?  Since __code__ already is, ...
> 
> I never understood why __code__ is writable. What is the usecase of
> modifying the code of an existing function?

Metaprogramming in its various forms.  Read this thread and you'll find one 
use case.

-
Yury