global param to exec (on win32)

[Fredrik Lundh]

david evans wrote:

>         # construct "my_dictionary" variable containing outside_func and sdk
>         exec "outside_func()", my_dictionary
>
>         the call works but the called function complaiss that it can't find
>         global 'sdk' and when I print globals() from within the called function,
 >        its the same as globals() from within the caller, but I expect it to
>         be the same as "my_dictionary" within the caller.
>
> Whatever I specify for the "local" param  in my exec call,  the target sees
> "locals()" as its param list.
>
> Have I misunderstood the way that global/local params to exec work?

yes.

the dictionary you pass to exec is used as the global scope
for that code.

the function itself will use the global scope it was defined in
(python uses lexical scoping).

for details, see

    http://www.cwi.nl/www.python.org/doc/current/ref/execframes.html
    (the table contains a concise summary)

and

    http://www.cwi.nl/www.python.org/doc/current/ref/function.html

(I'm banned from www.python.org, it seems ;-)

</F>