[Zope3-dev] Zope 3 Questions

[Shane Hathaway]

Jim Fulton wrote:
> Shane Hathaway wrote:
>>  That reduces my confusion, since one of the tenets of configuration 
>> management is that software consists of a combination of components 
>> from many sources.  You can't just replace the view service with a 
>> view service from a different package--you really need to be able to 
>> compose a view service that has components from multiple packages.
> 
> 
> I don't follow this last bit.

Say I set up a basic content management site.  Among other services, it 
sets up a view service.  Now say I want to add features to that site by 
installing packages into it.  Specifically, I want to install the 
package that replaces certain text areas with rich text widgets.

When I install the rich text package, it does not replace the view 
service, instead it adds to the existing one.  Now I have a view service 
that's not specific to either content management or rich text editing, 
so it doesn't logically belong to any package anymore.  It belongs only 
to the "active configuration".  Nearly every package will want to add 
to, but not replace, the views service.

Does that map in some way to how Zope 3 packaging works?  I can't quite 
see it yet.

Shane