[Zope-CMF] [dev] Dublin Core Creator(s): a small proposal

[Yuppie]

Hi!


I had a closer look at <http://collector.zope.org/CMF/25> and this is 
how I think this issue should be resolved:

- The Creator method should return a sequence of creators like in Zope 
X3 and like Contributors() already does.

- Because the name Creator doesn't sound like a sequence and existing 
code expects a string as return value, I propose to add a Creators 
method and to mark the Creator method as deprecated.

- notifyModified() should call a new method addCreator() that adds the 
id of the current authenticated member similar to the method in Zope 
X3's CreatorAnnotatorClass:
<http://cvs.zope.org/Zope3/src/zope/app/dublincore/creatorannotator.py?rev=1.5&content-type=text/vnd.viewcvs-markup>

- For backwards compatibility Creators() should return Creator() as 
first and only element of the sequence if self.creators doesn't exist 
already. This way self.creators could also be added 'on the fly'.


If there are no objections to this approach, I'll check in these changes 
on a branch. There is some other code that has to be updated to use the 
new Creators() method. I would do that in a second step.


Any comments?

Cheers,
	Yuppie