[Python-Dev] Fast access to __builtins__
Guido van Rossum
Thu, 27 Mar 2003 23:15:41 -0500
> Guido van Rossum wrote:
> > BTW this idea is quite old; I've described it a few years ago under a
> > subject something like "low-hanging fruit".
> I really like this idea. If a patch appeared on SF soon, do you think
> 2.3 could include a warning for code that violates the rule?
Maybe. Though you probably would only want to warn when this is done
to a .py module -- C extensions should be exempt. And the warning
should only warn about inserting names that are actually builtins.
> If so, how about also including a flag to allowed optimizations based on
> the rule? For example, I think we could have the equivalent of
> LOAD_FAST for builtin names. Implementing the optimizations could be a
> bit of work, especially with the existing compiler, but I think the
> warning should be fairly easy.
Sure, let's experiment!
--Guido van Rossum (home page: http://www.python.org/~guido/)