[Zope3-Users] Anyone had any success with ZCatalog in Zope 3?

[Dominik Huber]

Johan Carlsson wrote:

> Dominik Huber wrote:
>
>> Hi Johan
>> Your problem is that the catalog is not locatable itself during the 
>> addition of its indexes (-> state within the create and add method), 
>> therefore the location of the indexes cannot be located and the 
>> NotYetError is raised. You can move your code to an 
>> ObjectAddedEvent-subscriber for your object.
>>
>>  <subscriber
>>      for=".IYourObject zope.app.container.interfaces.IObjectAddedEvent"
>>      handler=".addCatalogAndIndex"
>>      />
>>
>> handler pseudo code:
>>
>> def addCatalogAndIndex(obj, event):
>>    sm = zapi.getNextSiteManager(obj)
>>    catalog = Catalog()
>>    addLocalUtility(sm, 'XY', ICatalog, catalog)
>>    catalog[name] = Index(name, IAnyInterface)
>
>
> I've tried this, it doesn't remove the NotYet problem though!??

Our framework relies on that concept and it is still working ;)
Did you assert  to add the catalog to the sitemanagement folder before 
adding its indexes?

Dominik

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