For Kenny Tilton: Why do I need macros revisited.
mis6 at pitt.edu
Sat Aug 23 09:40:48 CEST 2003
mertz at gnosis.cx (David Mertz) wrote in message news:<mailman.1061594769.30646.python-list at python.org>...
> "Andrew Dalke" <adalke at mindspring.com> wrote previously:
> |I've seen David Mertz' xml_pickle code which makes good use of
> |[metaclasses], but don't yet follow how it works.
> I'm afraid I must insist here that the use of metaclasses in
> gnosis.xml.pickle is utterly trivial, and just for show. You'll
> have to look elsewhere for "good use" of them :-).
> Yours, David...
For instance Psyco was using metaclasses to wrap the methods to
"speed-up", at least when I looked at version 0.4.
This was a quite clean usage, simple and effective.
When you need to wrap many methods in a class (for instance for
logging purposes or other reasons) a metaclass is most probably
the best solution you have at your disposal.
Michele Simionato, Ph. D.
MicheleSimionato at libero.it
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