doc/book/devweb/views/xmlrss.rst
author Denis Laxalde <denis.laxalde@logilab.fr>
Tue, 22 Dec 2015 09:23:00 +0100
changeset 11144 fd8bf29ed00e
parent 10491 c67bcee93248
permissions -rw-r--r--
[tox] Generate test environments for Python 2.7 and 3.4 Test commands for each environment are written down explicitly since I could not find a way to extract the "package" name (e.g. "hooks") from the environment name (e.g. "py34-hooks"). For Python 3.4 interpreter, only environments (subpackages) that do not depend on cubes for their tests are listed since those test dependency cubes are not yet installable with Python 3.x. etwist is also not included since the Python 3 port is not complete at the moment. From local testing, py34 tests pass for the following subpackages: - dataimport - entities - ext - hooks - wsgi
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.. _XmlAndRss:
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XML and RSS views
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-----------------
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(:mod:`cubicweb.web.views.xmlrss`)
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Overview
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+++++++++
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*rss*
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    Creates a RSS/XML view and call the view `rssitem` for each entity of
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    the result set.
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*rssitem*
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    Create a RSS/XML view for each entity based on the results of the dublin core
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    methods of the entity (`dc_*`)
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RSS Channel Example
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++++++++++++++++++++
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Assuming you have several blog entries, click on the title of the
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search box in the left column. A larger search box should appear. Enter:
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.. sourcecode:: sql
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   Any X ORDERBY D WHERE X is BlogEntry, X creation_date D
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and you get a list of blog entries.
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Click on your login at the top right corner. Chose "user preferences",
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then "boxes", then "possible views box" and check "visible = yes"
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before validating your changes.
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Enter the same query in the search box and you will see the same list,
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plus a box titled "possible views" in the left column. Click on
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"entityview", then "RSS".
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You just applied the "RSS" view to the RQL selection you requested.
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That's it, you have a RSS channel for your blog.
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Try again with:
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.. sourcecode:: sql
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    Any X ORDERBY D WHERE X is BlogEntry, X creation_date D,
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    X entry_of B, B title "MyLife"
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Another RSS channel, but a bit more focused.
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A last one for the road:
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.. sourcecode:: sql
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    Any C ORDERBY D WHERE C is Comment, C creation_date D LIMIT 15
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displayed with the RSS view, that's a channel for the last fifteen
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comments posted.
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[WRITE ME]
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* show that the RSS view can be used to display an ordered selection
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  of blog entries, thus providing a RSS channel
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* show that a different selection (by category) means a different channel