[Zope3-dev] interface conventions: default=_RAISE_ERROR

[Steve Alexander]

Gary Poster wrote:
>
> Instead, my suggestion is to place
>  _RAISE_ERROR=Object()

It needs to be object(), not Object()

> in the __init__ of the Interfaces package.  An interface that wants to use 
> the default marker would simply
> from Interface import Interface, _RAISE_ERROR
> and implementations could import from their interfaces or from the original 
> declaration in the Interface package.

I really wouldn't bother. It saves very little typing, adds to the 
complexity of finding out what things really mean, adds another 
dependency, and saves a few hundred bytes at most per runtime.

--
Steve Alexander