Internationalisation

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= Translations in Ubuntu (from a developer perspective) = = Ubuntu Internationalization Guide =
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This page tries to outline
 * how Ubuntu deals with translations (and i18n in general)
 * which tools are interesting for developers to make sure that translations and i18n work fine
This document tries to outline:
 * How Ubuntu deals with translations (and i18n in general) from a developer's perspective
 * Which tools are interesting for developers to make sure that translations and i18n work fine
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<<Anchor(LanguagePacks)>>
== Language Packs ==
=== General ===
Packages in `main` and `restricted` don't contain translations (*.mo) files themselves, they are stripped during the build on the Launchpad buildds and put into `language-pack-*` packages instead. This is done in an attempt to bundle the translations you're interested in and cut down the occupied space.
== Getting Started ==
 * '''Primer''': This [[/InternationalizationPrimer|internationalization primer]] is a great place to get started.
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Comparing the contents of a package built by Launchpad Soyuz and a locally built one:
{{{
daniel@bert:~$ debdiff --nocontrol gcalctool_5.27.2-0ubuntu1_amd64.deb /var/cache/pbuilder/result/gcalctool_5.27.2-0ubuntu1_amd64.deb
[The following lists of changes regard files as different if they have
different names, permissions or owners.]
== General information ==
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Files in second .deb but not in first
-------------------------------------
-rw-r--r-- root/root /usr/share/locale/af/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/am/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/ar/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/as/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/ast/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/az/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/be/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/be@latin/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/bg/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/bn/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/bn_IN/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/bs/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/ca/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/ca@valencia/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/cs/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/cy/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/da/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/de/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/dz/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/el/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/en_CA/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/en_GB/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/en_US/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/es/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/et/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/eu/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/fa/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/fi/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/fr/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/ga/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/gl/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/gu/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/he/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/hi/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/hr/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/hu/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/id/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/it/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/ja/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/ka/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/kn/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/ko/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/ku/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/lt/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/lv/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/mai/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/mg/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/mk/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/ml/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/mn/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/mr/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/ms/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/nb/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/ne/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/nl/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/nn/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/oc/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/or/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/pa/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/pl/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/pt/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/pt_BR/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/ro/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/ru/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/rw/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/si/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/sk/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/sl/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/sq/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/sr/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/sr@latin/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/sv/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/ta/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/te/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/th/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/tk/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/tr/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/uk/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/vi/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/xh/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/zh_CN/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/zh_HK/LC_MESSAGES/gcalctool.mo
-rw-r--r-- root/root /usr/share/locale/zh_TW/LC_MESSAGES/gcalctool.mo
daniel@bert:~$
}}}
''General information on the tools and processes related to the internationalization of Ubuntu''
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 * [[TranslationLifecycle|Overview of the translations lifecycle]]
 * [[/Glossary|Glossary of i18n-related terms]]
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=== Translations Templates ===
For `pkgstriptranslations` (in the `pkgbinarymangler` package) to do the job right, please make sure that your package in `main` or `restricted` builds a .pot during the build. It does not necessarily need to be shipped in the source or in the binary package. Generating it during the build is good enough. This can be achieved by running the following in `debian/rules`:
{{{
cd po; intltool-update -p}}}
''If there's more than one `./po/` directory (or it has a different name), please make sure to adjust it.''
== Coding ==
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=== General Advice ===
If you want to make sure that your packages translations are set up correctly, try running:
{{{
cd po; intltool-update -m}}}
and be sure to either fix the issues or report them upstream.
''Information on writing or modifying internationalized applications for Ubuntu''
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Sometimes empty `.po` files caused packages to build from source.  * [[/Coding|Internationalization of source code]]
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== Packaging ==

''Information on packaging internationalized packages for Ubuntu''

 * [[/Packaging|Internationalization of packages]]

== Documentation ==

''Information on how to adapt the build system to include internationalization support''

 * [[/Docs|Internationalization of documentation]]

== Build system ==

''Information on how to adapt the build system to include internationalization support''

 * [[/Build|Adding internationalization support to the build system]]

== Translation process ==

''General overview of the Ubuntu translation process, from the translators' point of view''

 * [[/TranslationProcess|Overview of the Ubuntu translation process]]

== Launchpad ==

''Information related to Launchpad and internationalization, including best practices on how to handle translations of hosted projects''
 * [[https://help.launchpad.net/Translations/YourProject/BestPractices|Best practices on how to set up a project for translation in Launchpad]]
 * [[/Launchpad|Internationalization considerations and general information on Launchpad]]
 * [[http://blog.launchpad.net/translations/automatic-template-generation | Automatic generation of translation templates from branch]]

== Recipes ==

''Recipes on how to perform common tasks related to internationalization''

 * [[/RecipeVerifyingTranslationUploads|Verifying translation uploads]]
 * [[/RecipeIntltoolCheck|Checking out translations in intltool-based packages]]
 * [[/RecipeAddingLPI|Adding Launchpad integration for bugs, help and translations to an application's help menu]]
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CategoryTranslations

Ubuntu Internationalization Guide

This document tries to outline:

  • How Ubuntu deals with translations (and i18n in general) from a developer's perspective
  • Which tools are interesting for developers to make sure that translations and i18n work fine

Getting Started

General information

General information on the tools and processes related to the internationalization of Ubuntu

Coding

Information on writing or modifying internationalized applications for Ubuntu

Packaging

Information on packaging internationalized packages for Ubuntu

Documentation

Information on how to adapt the build system to include internationalization support

Build system

Information on how to adapt the build system to include internationalization support

Translation process

General overview of the Ubuntu translation process, from the translators' point of view

Launchpad

Information related to Launchpad and internationalization, including best practices on how to handle translations of hosted projects

Recipes

Recipes on how to perform common tasks related to internationalization


CategoryUbuntuDevelopment CategoryTranslations

UbuntuDevelopment/Internationalisation (last edited 2010-08-18 14:21:17 by 140)