[Zope-dev] Re: [Plone-developers] zcml entry points

[Chris McDonough]

On Oct 24, 2007, at 12:54 PM, Lennart Regebro wrote:

> On 10/24/07, Tres Seaver <tseaver at palladion.com> wrote:
>> Maybe we need to add a term, 'plugin', to describe things like Zope2
>> products which register only "behavior" and not "addable  
>> applications."
>>  The line gets fuzzy here, too:  PAS uses 'plugin' to describe an  
>> object
>> which is added to a persistent user folder, and then configured to
>> perform one or more roles in its framework.  Oooh, there's another  
>> term,
>> 'framework'.  In my mind, 'frameworks' declare interfaces for  
>> 'plugins'
>> to supply.  OTOH, 'frameworks' don't want every possible plugin to be
>> magicdally configured:  they are all about explicit configuration.
>
> It gets fuzzy, but I think trying to get a common usage of the words
> is useful. And your usage seems useful.
>
> Note that of course PAS is both a plugin *and* a framework in this  
> usage. :-)
>
>> Plone makes configuring QuickInstaller-enabled products explicit:   
>> the
>> site manager gets to choose at runtime (not at startup), and can  
>> change
>> her mind later.  In that sense, Plone is 'framework'-like, rather  
>> than
>> 'application'-like.
>
> I can definitely see a use in the zope3 and grok world for some more
> ZODB persistent configuration. Maybe much of what is today actually
> done in ZCML shuld rather be done there?

Does it need to be persistent or just placeful?  Being able to  
specify multiple component registries via ZCML (maybe within a  
container tag), and then associating one with a 'site' has always  
seemed to make sense to me.

- C