[Zope-CMF] Re: Tools as local utilities

[Tres Seaver]

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Jens Vagelpohl wrote:
> 
> On 13 Nov 2006, at 16:22, Jens Vagelpohl wrote:
>>> I have to run off right now, but a quick look over GSLocalAddons  
>>> suggests it should be part of the main CMF Default GS profile, and  
>>> doing it with GenericSetup certainly is the way to go. Why did  
>>> Hanno not put it into the CMF base profile right from the start,  
>>> dangit!
> 
> So I'm currently stealing^H^H^H^H^H^H^H integrating Hanno's code from  
> GSLocalAddons into CMFCore and CMFDefault. I'm running into an issue  
> with the site/site manager registration, though. It does not work  
> when instantiating the site, but it does when going to the setup tool  
> in the newly created site afterwards and telling it to import all steps.
> 
> Analogous to the way it is done in Plone I have parked the site/site  
> manager stuff in CMFDefault.setuphandlers.importVarious for now,  
> which now contains code like this:
> 
> ---------------------------------------
> <snip>
> from Products.Five.component import enableSite
> from Products.Five.component.interfaces import IObjectManagerSite
> from zope.component.globalregistry import base
> from zope.component.persistentregistry import PersistentComponents
> </snip>
> 
> <snip>
> def importVarious(context):
>      """ Import various settings.
>      """
>      site = context.getSite()
> 
>      # Make the portal a Zope3 site and create a site manager.
>      enableSite(site, iface=IObjectManagerSite)
>      components = PersistentComponents()
>      components.__bases__ = (base,)
>      site.setSiteManager(components)
> </snip>
> ------------------------------------------
> 
> My new handler for the component registry is all set up and  
> registered correctly, and the "various" import step that calls  
> importVarious is set as a dependency for the component registry  
> import step. The dependency works, it is indeed run right before my  
> new step. However, registration fails, because a call to  
> zope.app.component.hooks.getSite in my component registry setup  
> handler returns None, as if the registration in importVarious had not  
> been done. When re-running all steps manually from the setup tool  
> afterwards it magically works and the component registry is populated...

Perhaps the thread-local site hook needs to be set first, before trying
to use the site manager?



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