On Tuesday 24 November 2009, Chris McDonough wrote:
> > Off the top of my head, another way to think of this might be to say
> > that the 'dict access' is basically looking up a named utility
> > providing a very generic marker interface, e.g.
> > zope.component.interfaces.IUtility or even just
> > zope.interface.Interface. That way reg['foo'] == getUtility(IUtility,
> > name='foo'). Obviously, assignment would register in the same way.
> >
> > I'm not sure it's "better", though. :)
> That would also be fine, and it would normalize things a bit, although the
> implementation would be harder and it would result in slower lookups.  But
> if it made folks feel better than inheriting from dict, I'd be +1 on it.

I have not read the entire thread, but Martin's suggestion using 
zope.interface.Interface makes a lot to sense to me as the dict syntax becomes 
syntactic sugar and a simplification when desired.

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