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[Python-Dev] Adding __format__ to classic classes

Guido van Rossum guido at python.org
Wed Feb 13 23:39:46 CET 2008 
On Feb 13, 2008 2:20 PM, Eric Smith <eric+python-dev at trueblade.com> wrote:
> Nick Coghlan wrote:
> > Eric Smith wrote:
> >> I hate to be dense, but could you point me to some code that does
> >> something similar but looks up the method by name?
> >
> > I was going to suggest __enter__/__exit__, but that code relies mainly
> > on existing opcodes and just does an attribute lookup rather than
> > explicitly bypassing the instance dictionary.
> >
> > However, the source code for cPickle may provide some ideas (when it
> > looks up _reduce__/__getstate__/etc).
>
> Those do look promising.  Thanks!

Or look in classobject.c itself; e.g. instance_str().
-- 
--Guido van Rossum (home page: http://www.python.org/~guido/)
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