Mastering Django: Core

Internationalization: In Javascript code

Adding translations to JavaScript poses some problems:

• JavaScript code doesn't have access to a gettext implementation.
• JavaScript code doesn't have access to .po or .mo files; they need to be delivered by the server.
• The translation catalogs for JavaScript should be kept as small as possible.

Django provides an integrated solution for these problems: It passes the translations into JavaScript, so you can call gettext, and so on, from within JavaScript.

The javascript_catalog view

The main solution to these problems is the django.views.i18n.javascript_catalog() view, which sends out a JavaScript code library with functions that mimic the gettext interface, plus an array of translation strings.

Those translation ...