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POAdd computed metadata to catalog for dexterity object (plone 4)
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  1. POAdd computed metadata to catalog for dexterity object (plone 4)
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    copied!<p>I want to create a catalog metadata with a computed string. So following <a href="https://www.packtpub.com/professional-plone-4-development/book" rel="nofollow">Aspeli's book</a> and <a href="http://plone.org/documentation/manual/developer-manual/indexing-and-searching/custom-indexing-strategies" rel="nofollow">the developer manual</a> I proceeded to create an indexer:</p> <pre class="lang-py prettyprint-override"><code># indexer.py @grok.adapter(Entry, name='bind_representation') @indexer(Entry) def bindIndexer(context): print str(IBindRepresentable(context)) return str(IBindRepresentable(context)) </code></pre> <p>and register the index with genericSetup:</p> <pre class="lang-xml prettyprint-override"><code>&lt;!-- profiles/default/catalog.xml --&gt; &lt;?xml version="1.0"?&gt; &lt;object name="portal_catalog" meta_type="Plone Catalog Tool"&gt; &lt;index name="bind_representation" meta_type="ZCTextIndex"&gt; &lt;!-- I tried with meta_type="FieldIndex" too --&gt; &lt;indexed_attr value="bind_representation"/&gt; &lt;!-- copied from other text metadata --&gt; &lt;extra name="index_type" value="Okapi BM25 Rank"/&gt; &lt;extra name="lexicon_id" value="plaintext_lexicon"/&gt; &lt;/index&gt; &lt;/object&gt; </code></pre> <p>The problems are: (1) only the index is registered, not the metadata, and (2) After reindex all the zodb, bind_representation still doesn't find any entry to index, even when they are.</p> <p>The examples cited only deal with pre-existent indexes, so I'm not sure about the content of catalog.xml. <strong>bindIndexer</strong> seems not to be called at all, since its print statement is never executed. I copied <strong>bindIndexer</strong> to entry.py too, to get sure it wasn't being ignored, but still nothing.</p> <p>What am I missing?</p> <p>Thanks.</p>
 

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