Am I missing something with Python not having interfaces?

[Daniel Marcel Eichler]

Am Mittwoch 07 Mai 2008 22:39:30 schrieb Luis Zarrabeitia:

> There you have it, interfaces are not enough to ensure that the
> implementors actually implement the methods. They are useful for
> warning at compile time if there is a missing method, but nothing
> more. 

It's not the fault of the enviroment, if the coder is to stupid to use 
it the right way.

> I believe you could achieve a very similar warning in python 
> using some kind of Interface metaclass (too lazy right now to hack a
> proof of concept, but it looks doable).

Of course. And unlike Javas interfaces, it ensure a more dynamic 
coding-style, without great tools which check all the time for correct 
behaviour.