[Python-Dev] nested scopes. global: have I got it right?

[Guido van Rossum]

> Quoth the Samuele Pedroni:
> 
> > In particular,
> > a global statement contained in an exec statement does not
> > affect the code block containing the exec statement, and code
> > contained in an exec statement is unaffected by global statements
> > in the code containing the exec statement.
> 
> I think this is broken. As long as we're going to allow
> exec-with-1-arg to implicitly mess with the current namespace,
> names in the exec'ed statement should have the same meanings
> as they do in the surrounding statically-compiled code.
> 
> So, global statements in the surrounding scope should be honoured
> in the exec'ed statement, and global statements should be disallowed
> within the exec'ed statement.
> 
> Better still, get rid of both exec-with-1-arg and locals()
> altogether...

That's my plan, so I suppose we should not bother to "fix" the broken
behavior that has been around from the start.

--Guido van Rossum (home page: http://www.python.org/~guido/)