doc/book/en/development/cubes/cc-newcube.rst
author Nicolas Chauvat <nicolas.chauvat@logilab.fr>
Mon, 06 Jul 2009 14:13:49 +0200
branchstable
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[doc] improvements
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Creating a new cube from scratch using :command:`cubicweb-ctl newcube`
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----------------------------------------------------------------------
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Let's start by creating the cube environment in which we will develop ::
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  cd ~/hg
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  cubicweb-ctl newcube mycube
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  # answer questions
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  hg init moncube
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  cd mycube
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  hg add .
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  hg ci
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If all went well, you should see the cube you just created in the list
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returned by ``cubicweb-ctl list`` in the section *Available components*,
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and if it is not the case please refer to :ref:`ConfigurationEnv`.
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To reuse an existing cube, add it to the list named ``__use__`` and defined in
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:file:`__pkginfo__.py`.  This variable is used for the instance packaging
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(dependencies handled by system utility tools such as APT) and the usable cubes
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at the time the base is created (import_erschema('MyCube') will not properly
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work otherwise).
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.. note::
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    Please note that if you do not wish to use default directory
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    for your cubes library, then you want to use the option
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    --directory to specify where you would like to place
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    the source code of your cube:
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    ``cubicweb-ctl newcube --directory=/path/to/cubes/library cube_name``
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Usage of :command:`cubicweb-ctl liveserver`
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-------------------------------------------
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To quickly test a new cube, you can also use the `liveserver` command for cubicweb-ctl
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which allows to create an instance in memory (using an SQLite database by
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default) and make it accessible through a web server ::
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  cubicweb-ctl live-server mycube
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or by using an existing database (SQLite or Postgres)::
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  cubicweb-ctl live-server -s myfile_sources mycube