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List: zope3-users
Subject: [Zope3-Users] Re: Problem with containment and @@absolut_url
From: Philipp von Weitershausen <philipp () weitershausen ! de>
Date: 2006-05-30 8:35:06
Message-ID: 447C03BA.7090105 () weitershausen ! de
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Achim Domma wrote:
> Hi,
>
> I have implemented ArticleFolder and Article like this:
>
>
> class Article(Persistent,Contained):
> implements(IArticle)
> title=u''
> body=u''
>
> class ArticleFolder(Folder):
> implements(IArticleFolder)
>
>
> Via ZMI I can add, edit and delete articles without problems. I use this
> TAL statement in a view for the object holding the article folder :
>
> <p tal:repeat="article context/articles">
As Mats said, iterate over context/articles/values and you should be
fine. ITerating over just context/articles will only yield the names of
the articles, not the article objects themselves.
> <a
> tal:content="article/title"
> tal:attributes="href article/@@absolute_url">asdf</a>
> </p>
>
> This fails with an "There isn't enough context to get URL information."
> exception. When the exception is thrown, I see in the debugger, that the
> context of AbsoluteUrl is the id of the first article as unicode string.
> And this string has of course no __parent__ attribute!?
>
> I argued that context/articles might return ids, not objects, but in
> that case article/title should fail also. But if I remove
> tal:attributes, it works fine.
>
> Am I missing something?
>
> regards,
> Achim
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