[Zope-dev] RE: [Zope3-dev] RFC: Reunite Zope 2 and Zope 3 inthe sourcecoderepository

[Jim Fulton]

Roger Ineichen wrote:
> Hi Jim 
> 
> [...]
> 
>>Roger Ineichen wrote:
>>...
>>
>>>And please stop telling that there will be a migration path
>>>for somthing.
>>
>>Please stop saying that there won't be.
>>
>> > I guess there will never be such a path.
>>
>>I guess differently.
> 
> 
> Ok, accepted
>>From now on I say, ask Jim ;-)
> 
> 
>> > Perhaps
>>
>>>custom products can be rewriten based on Zope3 libraries, but a real
>>>migration path like known from other software will never be 
>>
>>supported.
>>
>>>Normaly Zope2 based projects are to highly customized and this will 
>>>make it impossible for a clear migration path. Perhaps this will be 
>>>different for standard use of a Plone or Silva. Butdo you 
>>
>>really know
>>
>>>somebody where is using Plone or Silva out of the box?
>>
>>I'm convinced that there will be a migration path.  I don't know if it
>>will be painless or automatic.
>>
>>It may take the form of Zope 2's lower-level infrastructure 
>>being replaced
>>by Zope 3's.  I think this is entirely possible and would constitute a
>>real migration to Zope 3.  It's very possible that there will be a
>>Zope 2 in the future that supports Zope 2 paradigms and Zope 3
>>paradigms simultaneously.  This would look very different from many
>>"pure" Zope 3 applications, but perhaps no more different than a
>>number of sucessful Zope 3 applications such as Schooltool 
>>and applications
>>being built by Canonical.
> 
> 
> Yes, I know that this is possible. But are you really proposing
> to start a project like this? Or do you mean Five is going or 
> should go in this direction?

It (or Zope 2 development in general, which is becoming indistinguishable
from Five) is going in this direction.

Jim

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