Nested scopes and class variables

[Steven Bethard]

I wrote:
> Alex Martelli wrote:
>> See the difference?  In a function, the 'x = x' compiles into LOAD_FAST,
>> STORE_FAST, which only looks at locals and nowhere else.  In a
>> classbody, it compiles to LOAD_NAME, STORE_NAME, which looks at locals
>> AND globals -- but still not at closure cells...
> 
> Is there a reason why the class body doesn't look at closure cells? That 
> is, are there cases where this lookup scheme is preferred to one that 
> checks locals, closure cells and globals?

For anyone who's interested I found a long thread about this here:

http://mail.python.org/pipermail/python-dev/2002-April/023427.html

And a bug report here:

http://sourceforge.net/tracker/?func=detail&aid=532860&group_id=5470&atid=105470

Steve

[1] http://docs.python.org/ref/naming.html