gistfile1.py

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


class UserLocaleMiddleware(object):

    def process_request(self, request):
        lang_session = request.session.get(settings.LANGUAGE_COOKIE_NAME)
        if not lang_session:
            lang_session = translation.get_language_from_request(request)
            request.session[settings.LANGUAGE_COOKIE_NAME] = lang_session
        translation.activate(lang_session)
        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

def yara_login(request, *args, **kwargs):
    response = login_view(request, *args, **kwargs)
    if request.user.is_authenticated():
        profile = request.user.get_profile()
        lang = getattr(profile, 'language')
        translation.activate(lang)
        request.session[settings.LANGUAGE_COOKIE_NAME] = lang
        request.LANGUAGE_CODE = translation.get_language()
    return response

def yara_logout(request, *args, **kwargs):
    user_lang = request.session[settings.LANGUAGE_COOKIE_NAME]
    response = logout_view(request, *args, **kwargs)
    request.session[settings.LANGUAGE_COOKIE_NAME] = user_lang
    return response