[Zope-dev] (Z)Catalog searches

[Chris McDonough]

> Catalog doesn't take the Vocabulary object itself as an argument. It
> takes the (string) id of an acquirable Vocabulary. If you don't specify
> a string, it creates a standard non-globbing lexicon (Although a
> ZCatalog creates a globbing lexicon, go figure). Something like this
> should work (Assuming your product is an acquisition wrapper e.g. by
> subclassing Acquisition.Implicit):
>
> my_vocab = Vocabulary(globbing=1)
> my_cat = Catalog(vocabulary='my_vocab')
>
> I'm completely unsure why it was implemented this way. I can kinda
> understand for ZCatalog, but not really for Catalog. Anyone care to
> explain??

I'd like to explain, but I can't.  I think the intent was to allow
vocabularies to be shared between Catalog instances, but the implementation
of the idea isn't ideal.