Is crawling the stack "bad"? Why?

[Boris Borcic]

Paul Rubin wrote:
> Russell Warren <russandheather at gmail.com> writes:
>> That is exactly where I started (creating my own request handler,
>> snagging the IP address and stashing it), but I couldn't come up with
>> a stash location that would work for a threaded server.
> 
> How about a dictionary indexed by by the thread name.

the threading.local class seems defined for that purpose, not that I've ever 
used it ;)

BB