[Zope] Newbee interfaces and implementations

[Roman Klesel]

bruno desthuilliers schrieb:
> Looks like you're newbie to OO too !-)
> 
> A class defines a type. You then need to have an instance of that type
> (like, say, 42 is an instance of type integer and 'foo' is an instance
> of type string).
> 

Yes, true! :-)

 > (Interfaces (I mean, 'explicit' interfaces) defines an 'abstract' type,
> that can be implemented by many classes. With Python's dynamic typing,
> you don't *need* explicit interfaces - at least with Zope 2.x. AFAICT,
> the recommandation to use explicit interfaces is mostly about Zope3
> relying on them to implement some nice features).
> 
> So it would be:
> 
> tal:define="some_name context/myObject/doThis"
> 
> As you see, you don't have to worry about interface at this level...

So you recommend that I should just skip them as long as I'm on Zope2?

I would be happy with that. I find them confusing when they don't
really interface with but just document my methods.

Thanks

Roman