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Thu May 27 18:08:02 CEST 2010 · https://mail.python.org/pipermail/python-dev/2010-May/100418.html

On 27/05/10 13:13, Greg Ewing wrote:
> The way that functions get access to names in enclosing
> local scopes is by having them passed in as cells, but that
> mechanism is only available for optimised local namespaces,
> not ones implemented as dicts.

I believe exec already includes the tapdancing needed to make that work.

As Guido pointed out, it's the ability to generate closures directly 
from a source string that is currently missing.

Cheers,
Nick.

-- 
Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia
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[Python-Dev] variable name resolution in exec is incorrect