Django requires the GNU gettext toolset to be installed. On Debian for example, it can be isntalled with the gettext package.

To update the translations, first run:

cd src

Then the new translations can be written to the .po files. While this is of course possible with a text editor, we recommend a graphical tool like Poedit.

Afer that, the new .mo files need to be built:

python compilemessages