[Twisted-Python] zope.interface

[Paul Thomas]

On 15 Dec 2009, at 18:11, Jared Gisin wrote:

> What's wrong with writing subclasses? I've never had a case where  
> that wasn't sufficient. Instead of filling up your files with all  
> of  these empty class definitions that define the methods that  
> objects should implemmnt, why not just make the base object from  
> which all similar object inherit implement the required methods, and  
> if it's up to a subclass to provide functionality, just raise an  
> ImplementationError in the base class method and let it be a run- 
> time error. Keep it clean and simple and let Python do its work.

Wouldn't that be _more_ empty class definitions?