app/django/middleware/locale.py
author Pawel Solyga <Pawel.Solyga@gmail.com>
Tue, 07 Apr 2009 18:20:27 +0000
changeset 2118 ef55a80466b6
parent 323 ff1a9aa48cfd
permissions -rw-r--r--
Set new Melange version number to 0-5-20090407 in app.yaml.template. Patch by: Pawel Solyga

"this is the locale selecting middleware that will look at accept headers"

from django.utils.cache import patch_vary_headers
from django.utils import translation

class LocaleMiddleware(object):
    """
    This is a very simple middleware that parses a request
    and decides what translation object to install in the current
    thread context. This allows pages to be dynamically
    translated to the language the user desires (if the language
    is available, of course).
    """

    def process_request(self, request):
        language = translation.get_language_from_request(request)
        translation.activate(language)
        request.LANGUAGE_CODE = translation.get_language()

    def process_response(self, request, response):
        patch_vary_headers(response, ('Accept-Language',))
        if 'Content-Language' not in response:
            response['Content-Language'] = translation.get_language()
        translation.deactivate()
        return response