[Python-Dev] PEP 246: lossless and stateless

Glyph Lefkowitz glyph at divmod.com
Sat Jan 15 07:45:05 CET 2005


On Fri, 2005-01-14 at 19:14 -0500, Bob Ippolito wrote:

> I think the idea is that it's "better" to have an adapter from 
> IBusinessThunk -> IGtkUIPlugFactory, which you can use to *create* a 
> stateful object that complies with the IGtkUIPlug interface.
> 
> This way, you are explicitly creating something entirely new (derived 
> from something else) with its own lifecycle and state and it should be 
> managed accordingly.  This is clearly not simply putting a shell around 
> an IBusinessThunk that says "act like this right now".

Yes.  This is exactly what I meant to say.

Maybe there are 2 entirely different use-cases for adaptation, and we
shouldn't be trying to confuse the two, or conflate them into one
system?  I am going to go have a look at PEAK next, to see why there are
so many stateless adapters there.



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