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Translations

The AIPGcoin project has been designed to support multiple localisations. This makes adding new phrases, and completely new languages easily achievable. For managing all application translations, AIPGcoin makes use of the Transifex online translation management tool.

Helping to translate (using Transifex)

Currently updating strings in Transifex requires a manual upload of the updated src/qt/locale/aipg_en.ts. This can easily be automated in the future.

Multiple language support is critical in assisting AIPGcoins global adoption, and growth. One of AIPGcoins greatest strengths is cross-border money transfers, any help making that easier is greatly appreciated.

See the Transifex AIPG project to assist in translations. You can also join the #translations in AIPGcoin Discord.

Writing code with translations

We use automated scripts to help extract translations in both Qt, and non-Qt source files. It is rarely necessary to manually edit the files in src/qt/locale/. The translation source files must adhere to the following format: aipg_xx_YY.ts or aipg_xx.ts

src/qt/locale/aipg_en.ts is treated in a special way. It is used as the source for all other translations. Whenever a string in the source code is changed, this file must be updated to reflect those changes. A custom script is used to extract strings from the non-Qt parts. This script makes use of gettext, so make sure that utility is installed (ie, apt-get install gettext on Ubuntu/Debian). Once this has been updated, lupdate (included in the Qt SDK) is used to update aipg_en.ts.

To automatically regenerate the aipg_en.ts file, run the following commands:

cd src/
make translate

src/qt/aipg_locale.qrc takes care of generating .qm (binary compiled) files from .ts (source files) files. It’s mostly automated, and you shouldn’t need to worry about it.

Example Qt translation

QToolBar *toolbar = addToolBar(tr("Tabs toolbar"));

Creating a pull-request

For general PRs, you shouldn’t include any updates to the translation source files. They will be updated periodically, primarily around pre-releases, allowing time for any new phrases to be translated before public releases. This is also important in avoiding translation related merge conflicts.

When an updated source file is uploaded to Transifex the new strings will show up as "Remaining" in the Transifex web interface and are ready for translators.

Creating a Transifex account

Visit the Transifex Signup page to create an account. Take note of your username and password, as they will be required to configure the command-line tool.

You can find the AIPG translation project at https://www.transifex.com/aipgcoin.

Installing the Transifex client command-line tool

The client it used to fetch updated translations. If you are having problems, or need more details, see http://docs.transifex.com/developer/client/setup

For Linux and Mac

pip install transifex-client

Setup your transifex client config as follows. Please ignore the token field.

nano ~/.transifexrc

[https://www.transifex.com]
hostname = https://www.transifex.com
password = PASSWORD
token =
username = USERNAME

For Windows

Please see http://docs.transifex.com/developer/client/setup#windows for details on installation.

The Transifex AIPG project config file is included as part of the repo. It can be found at .tx/config, however you shouldn’t need change anything.

Synchronising translations

To assist in updating translations, we have created a script to help.

  1. python contrib/devtools/update-translations.py
  2. Update src/qt/aipg_locale.qrc manually or via ls src/qt/locale/*ts|xargs -n1 basename|sed 's/\(aipg_\(.*\)\).ts/<file alias="\2">locale\/\1.qm<\/file>/'
  3. Update src/Makefile.qt.include manually or via ls src/qt/locale/*ts|xargs -n1 basename|sed 's/\(aipg_\(.*\)\).ts/ qt\/locale\/\1.ts \\/'
  4. git add new translations from src/qt/locale/

Do not directly download translations one by one from the Transifex website, as we do a few post-processing steps before committing the translations.

Handling Plurals (in source files)

When new plurals are added to the source file, it's important to do the following steps:

  1. Open aipg_en.ts in Qt Linguist (included in the Qt SDK)
  2. Search for %n, which will take you to the parts in the translation that use plurals
  3. Look for empty English Translation (Singular) and English Translation (Plural) fields
  4. Add the appropriate strings for the singular and plural form of the base string
  5. Mark the item as done (via the green arrow symbol in the toolbar)
  6. Repeat from step 2, until all singular and plural forms are in the source file
  7. Save the source file

Translating a new language

To create a new language template, you will need to edit the languages manifest file src/qt/aipg_locale.qrc and add a new entry. Below is an example of the English language entry.

<qresource prefix="/translations">
    <file alias="en">locale/aipg_en.qm</filer
    ...
</qresource>

Note: that the language translation file must end in .qm (the compiled extension), and not .ts.

This process can be automated by a script in aipgcoin-maintainer-tools.

Questions and general assistance

The AIPGcoin translation maintainers include fdov and pocal. You can find them, and others, in #translations in AIPGcoin Discord.

Announcements will be posten in Discord and on the transifex.com announcements page.