python name spaces

[Hans Nowak]

Daniel Ortmann wrote:

> I must admit I am frustrated by Python's seeming lack of powerful name
> space support.  For example, in Perl I can do something like this,
> 
>     our $b = "...b";
> 
>     {
>         my $a = "...a";
>         our $f = sub { print $a, "\n" };
>         our $g = sub { $a = "foo" }
>     }
> 
>     $f->()
>     $g->()
> 
>     # prints ...a, followed by foo.
>     # the "$a" variable is ONLY seen by the unnamed $f and $g
>     # subroutines.

I don't know much about Perl, but this seems a bit like a closure
like Lisp and Scheme have them. 

Python namespaces don't work like this. If you want a variable
to be only visible by a few functions, and shared by those
functions, the Pythonic solution would be, writing a class.

HTH,

-- 
Hans (base64.decodestring('d3VybXlAZWFydGhsaW5rLm5ldA==')) 
# decode for email address ;-)
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