I have a custom object that uses a page template to make a list of other objects in its containing folder. This so far lists security proxied object instances:
<p tal:repeat="item view/__parent__/__parent__/values" tal:content="item"> Testing </p>
Uh, you should use context/__parent__/values...
I want to filter the objects by metatype. That does not exist in Zope 3 and I don't know how to use queryType or queryContentType in a page template. Is there something simple that I am missing?
You can't do this in a Page Template because you're not supposed to. Filtering involves logic, Page Templates are there to only render data structures into XML/XHTML.
So, what you'll want to do is write a complementary view class for your ZPT that gets zapi.getParent(context).values() and filters the elements in that list according to their content type or whatever you'll need.
From your ZPT you can call that method through the 'view' variable (the one you used above not quite correctly).
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