Implementing the global language switching action

In the previous recipes, we saw that the languages change on the basis of the current language preferences in the browser. Now, however, we want a mechanism where we can switch the language being used irrespective of the language in the browser. In this recipe, we will understand how to handle the language at the application level.

Getting ready

We start by modifying the application from the last recipe, Implementing lazy evaluation and the gettext/ngettext functions, to accommodate the changes to enable language switching. We will add an extra URL part to all our routes to allow us to add the current language. We can just change this language in the URL in order to switch...