[Zope] Zclasses derived from ZCatalog

[Martijn Pieters]

I hate it when I slip on the keyboard and sent a completely unedited email 
out..

At 16:31 03/11/99 , Tres Seaver wrote:
>Hmm, I can't seem to make that work:
>
>   ZClass Foo( ObjectManager, ZCatalog )
>   \
>    ZClass Bar( CatalogAware, ObjectManager )
>    \
>     ZClass Baz( CatalogAware )
>
>I can add Bars and Bazzes within a Foo, and they show up in its
>manage_catalogView.  I tried defining a DTML method using your syntax in 
>either
>Foo or Bar to (say) list all the Bazzes, like so:
>
>   <dtml-var standard_html_header>
>
>   <UL>
>     <dtml-in "_['Catalog'](meta_type='Baz')">
>       <LI> <dtml-var id>
>     </dtml-in>
>   </UL>
>
>   <dtml-var standard_html_footer>
>
>But I can't execute it -- I get "You are not authorized to access 
>Catalog".  If
>I tweak the permission map a bit for Foo (Access Content Information->Access
>Content Information), I then get "You are not authorized to access this".
>
>So, I give the Catalog method a "Manager" proxy.  Now, I get:
>
>   Error Type: AttributeError
>   Error Value: __getitem__


Erm... bother. And the traceback is?


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Martijn Pieters, Web Developer
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