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Thu Mar 8 20:12:23 CET 2012 · https://mail.python.org/pipermail/python-dev/2012-March/117452.html

On 8 March 2012 12:52, Nick Coghlan <ncoghlan at gmail.com> wrote:
> 2. it's already trivial to achieve such chained lookups in 3.3 by
> passing a collections.ChainMap instance as the globals parameter:
> http://docs.python.org/dev/library/collections#collections.ChainMap

Somewhat OT, but collections.ChainMap is really cool. I hadn't noticed
it get added into 3.3, and as far as I can see, it's not in the
"What's New in 3.3" document. But it's little things like this that
*really* make the difference for me in new versions.

So thanks to whoever added it, and could we have a whatsnew entry, please?

Paul.

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[Python-Dev] Adding a builtins parameter to eval(), exec() and import().

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[Python-Dev] Adding a builtins parameter to eval(), exec() and __import__().

[Python-Dev] Adding a builtins parameter to eval(), exec() and import().