doc/book/en/B2051-intro.en.txt
author sylvain.thenault@logilab.fr
Thu, 30 Apr 2009 10:33:49 +0200
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.. -*- coding: utf-8 -*-
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Introduction
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============
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What is  `Google AppEngine` ?
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------------------------------
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`Google AppEngine`_ is provided with a partial port of the `Django`
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framework, but Google stated at Google IO 2008 that it would not
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support a specific Python web framework and that all
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community-supported frameworks would be more than welcome [1]_. 
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Therefore `Logilab`_ ported `CubicWeb` to run on top of `Google AppEngine`'s
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datastore.
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.. _`Google AppEngine`: http://code.google.com/appengine/docs/whatisgoogleappengine.html
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.. _Logilab: http://www.logilab.fr/
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.. [1] for more on this matter, read our blog at http://www.logilab.org/blogentry/5216
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Essentials
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----------
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To build a web application for `Google App Engine`'s datastore, you
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need to have a good understanding of the main concepts of our 
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`CubicWeb` framework.
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The main concepts are:
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  - *schema*
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  - *query language*
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  - *result set*
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  - *views*
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  - *generated user interface*
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  - *cube*
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You can find detailled explanation of those concepts in :ref:`TermsVocabulary`.
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