Singleton-like pattern

[Michele Simionato]

Carl Banks <imbosol at aerojockey.com> wrote in message news:<uDAWa.1022$Wt.844 at nwrdny03.gnilink.net>...
> Michele Simionato wrote:
> > About the issue of finding a suitable key, in the same situation I have 
> > used the tuple (args,kw) as key.
> 
> Surely not?  Perhaps you meant tuple(args,tuple(kw.items())) ?  It gets
> rid of the unhashable kw dict.
> 

Actually you are right, I remember now that I got problems with 
(args,kw) and at the end I used args,tuple(kw.items()). But I was
ensure if this was a good solution.

> > But me too I would like to ask if this is a
> > good idea. What's the custom solution for getting a good key from
> > a dictionary ?
> 
> Howabout cPickle.dumps((args,kwargs),1)?

I have never used cPickle, I will think about. Thanks,

          Michele