[Zope-dev] Re: SVN: Products.Five/trunk/ Five now requires site.zcml to live in /etc

[Tres Seaver]

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Rocky Burt wrote:
> Log message for revision 68359:
>   Five now requires site.zcml to live in /etc
> 
> Changed:
>   U   Products.Five/trunk/CHANGES.txt
>   D   Products.Five/trunk/skel/
>   U   Products.Five/trunk/zcml.py
> 
> -=-
> Modified: Products.Five/trunk/CHANGES.txt
> ===================================================================
> --- Products.Five/trunk/CHANGES.txt	2006-05-29 19:42:51 UTC (rev 68358)
> +++ Products.Five/trunk/CHANGES.txt	2006-05-29 20:24:13 UTC (rev 68359)
> @@ -8,6 +8,18 @@
>  Restructuring
>  -------------
>  
> +* Zope 2.10+ now includes site.zcml as part of its instance creation
> +  skel directory.  As a consequence Five now requires this file to exist
> +  in every instance.  If upgrading a site from Zope 2.9 to 2.10, you will 
> +  need to copy site.zcml and package-includes/ from your installed Zope 
> +  installation location (skel/etc/) into the etc/ directory of your upgraded 
> +  instance.
> +  
> +  The rationale for requiring this new file is to bring Zope 2 instances
> +  closer in consistency to Zope 3 instances.  It also eases use of Zope 3
> +  coding techniques in Zope 2 and removes some confusion when trying
> +  to run pure Zope 3 applications on Zope 2.

This is a BBB foul.  The appropriate way to make such a change is to add
a deprecation warning, leaveing the "old" behavior (which was to use the
'site.zcml' from inside Five) in place.

Making "forward compatibility" smoother is *less* important than
preserving "backward compatibility".


Tres.
- --
===================================================================
Tres Seaver          +1 202-558-7113          tseaver at palladion.com
Palladion Software   "Excellence by Design"    http://palladion.com
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