[Zope3-dev] Allowing views to be registered for classes rather than interfaces.

[Steve Alexander]

> Conceptually speaking, to assert that a class (or object) implements an 
> interface, is the same thing as saying that it may be adapted to that 
> interface via a "null adapter".

The identity adapter?


> Thus, I disagree that explicit nonce interfaces are a "pure" design.  To 
> me, the pure design would be allowing adaptation from anything to 
> anything (as PyProtocols does).
> 
> Arguably, this is also more conceptually compatible with interfaces in 
> other languages, where there is not nearly so sharp a line drawn between 
> classes and interfaces as in Zope.

Do you know enough about Zope 3 to be able to say what features Zope 3 
interfaces have that PyProtocols lacks?

--
Steve Alexander