How to translate a Django project into a different language

This videos shows an easy way to translate a Django project into a different language.

You just need to follow several steps, use gettext to translate a string
from django.utils.translation import gettext as _

def index(request):
return HttpResponse(_("Hello, world!"))

Create a middleware for the languge
class LanguageMiddleware:
def __init__(self, get_response: Callable[[HttpRequest], HttpResponse]) -> None:
self.get_response = get_response
self.default_language: str = getattr(settings, 'LANGUAGE_CODE', settings.LANGUAGE_CODE)

def __call__(self, request):
activate(self.default_language)
return self.get_response(request)

Enable the middleware support and add the language middleware into the settings.py file
MIDDLEWARE = [
'django.middleware.locale.LocaleMiddleware',
'api.middleware.LanguageMiddleware'
]

In the settings.py specify where will be located the languages files
LOCALE_PATHS = [os.path.join(BASE_DIR, 'locale')]

Run CLI command to extract the strings and save in the wanted directory
python manage.py makemessages -l

Run the CLI command to compile the PO files into MO
python manage.py compilemessages

In the following videos will be one where I will show another way to integrate multiple languages with pssibility to save the language in the user settings and translate both Django backend and Angular frontend.

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