1. How do I add a catalog to a site ?
2. Catalog error


I get thus far..

From the /++etc++site/@@SiteManagement form I can successfully add a Catalog object. However, when I try to add an index, it fails ...

  File "... /zope/app/catalog/catalog.py", line 130, in indexAdded
  File "... /zope/app/catalog/catalog.py", line 68, in updateIndex
  File "... /zope/component/__init__.py", line 257, in getUtility
ComponentLookupError: (<InterfaceClass zope.app.intid.interfaces.IIntIds>, '')

Then if I try to add an IntId Tool, it fails  ...

  File "... app/catalog/catalog.py", line 144, in reindexDocSubscriber
  File "... component/__init__.py", line 257, in getUtility
ComponentLookupError: (<InterfaceClass zope.app.intid.interfaces.IIntIds>, '')

Actually, attempting to add any other object no longer works with the same error. So the catalog depends on a/the intid utilitly.

When I add a uid utility first, then a catalog, adding and index still fails (as above).


However, if I add the IntId utility to /++etc++/default (rather than /++etc++/tools), I can add a catalog, then successfully create index(es).

However when I try to search the catalog it fails..

>>> cat = zapi.getUtility(ICatalog, context=root)
>>> print cat.searchResults()
>>> print cat.searchResults(title_index='')
Traceback (most recent call last):
  File "<stdin>", line 1, in ?
  File "... /zope/app/catalog/catalog.py", line 107, in searchResults
File "/usr/lib/python2.4/site-packages/PIL/__init__.py", line 257, in getUtility zope.component.interfaces.ComponentLookupError: (<InterfaceClass zope.app.intid.interfaces.IIntIds>, '')

(Don't know why PIL is appearing in the traceback.)

I can make it work if I change (catalog.py:107)

from: uidutil = zapi.getUtility(IIntIds)
to:   uidutil = zapi.getUtility(IIntIds, context=self)

>>> cat = zapi.getUtility(ICatalog, context=root)
>>> cat.searchResults(title_index='')
<zope.app.catalog.catalog.ResultSet instance at 0x41ac168c>

I don't know why the context needs to be explicitly set. Is it something to do with how the IntIds/Calatogs should be added to the site?

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