[Python-Dev] Fast access to __builtins__

[Neil Schemenauer]

Guido van Rossum wrote:
> Though you probably would only want to warn when this is done to a .py
> module -- C extensions should be exempt.

Exempt from poking or being poked?

> And the warning should only warn about inserting names that are
> actually builtins.

I have rough patch.  The idea is to have the tp_setattro slot of modules
check if the name being set is a builtin.  It seems to work but perhaps
there are cases that make that approach invalid.  Time for bed now. :-)

  Neil