Document on renaming Chinese locales in horizon

There is no good place to document Chinese locale rename
in horizon and plugins, so this commit add contents to
"Handling horizon projects" section in tools.rst and add the info
on Chinese locales to the section.

Change-Id: I3e9d2398e3768b9d479d01aa2ac73f8d72bdcb8f
Akihiro Motoki 2021-02-04 09:07:47 +09:00
parent 80e0fee56b
commit 27a98e3ec4
2 changed files with 75 additions and 1 deletions

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@ -77,6 +77,11 @@ repository.
* Carries out the second Zuul job (Syncing into repos) by executing
` <>`__
* This job renames Chinese locales in Zanata (``zh-cn`` and ``zh-tw``)
to ``zh-hans`` and ``zh-hant`` for horizon related projects.
For other projects and documentations (including docs in horizon related
projects), ``zh-cn`` and ``zh-tw`` are used as-is.
For more details, see :ref:`handling_horizon_projects`.
* ` <>`__

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@ -208,10 +208,79 @@ you need to compile message catalogs and also need to configure
your server services following instructions described at
`oslo.i18n documentation <>`__.
.. _handling_horizon_projects:
Handling horizon projects
(Some contribution would be appreciated.)
For horizon related projects, Django, a framework which horizon is built on,
provides integrated translation support.
.. note::
Unlike documentations and python projects, horizon and plugins use
``zh-hans`` and ``zh-hant`` for Chinese locales instead of ``zh-cn`` and
``zh-tw`` respectively since Wallaby release. This follows the Django
recommendation which happened in `Django 1.7
The details are found in `the mailing list post
horizon provides a command to extract the messages in code to PO template
(POT). Run the following command in your repository.
.. code-block:: console
$ python extract_messages -m ${MODULE_NAME}
where **MODULE_NAME** is a python module name of horizon or its plugin.
For example, in case of manila-ui,
.. code-block:: console
$ python extract_messages -m manila_ui
The above command is a wrapper for pybabel and the translation job
uses pybabel directly.
For each horizon related project in OpenStack, there is an automation job to
extract the messages , generate PO template and upload to Zanata, which is
triggered by the "commit" event. See :doc:`here <infra>`.
For each horizon related project in OpenStack, there is an automation job daily
to download the translations in PO file to the "locale" folder under the source
folder of each project. See :doc:`here <infra>`. It will generate a review
request in Gerrit. After :doc:`review <reviewing-translation-import>`,
the translation in PO file will be merged.
.. note::
As noted above, in Wallaby or later releases, ``zh-hans`` and ``zh-hant``
are used for Chinese locales. On the other hand, ``zh-cn`` and ``zh-tw``
continues to be used in Zanata. When the job downloads translations from
Zanata, the job stores translations for ``zh-cn`` and ``zh-tw`` to
``zh-hans`` and ``zh-hant`` directories under ``locale``.
Using translations
To display translated messages in OpenStack dashboard, you need to compile
message catalogs. Django picks up translated messages automatically once they
are compiled. The following command compiles messages in your project.
.. code-block:: console
$ python compilemessages
.. _project-maintenance: