A middleware that permits to change the locale based on the url was
posted here one month ago by Atlithorn.
For example, when you go to /fr/article/*** you get the article in
french, and when you go to /en/article/*** you get the article in
english...
I've gone a little further making a version that sets a cookie when you
go to a localized url, and then reuses it when you go to an url that
doesn't have any language set...
Why is it usefull ? For login, logout, comments, etc... views and any
3rd party module that doesn't take into account our language url stuff
! :)
I'm also providing a function that generates a vrsion of the url you
are on, but without the language inside, to make "change language"
buttons.
Have fun !
----
Jon
Here goes the code:
###############
from django.utils.cache import patch_vary_headers
from django.utils import translation
class LocaleURLMiddleware:
def get_language_from_request (self,request):
from django.conf import settings
import re
supported = dict(settings.LANGUAGES)
lang = settings.LANGUAGE_CODE[:2]
check = re.match(r"/(\w\w)/.*", request.path)
changed = False
if check is not None:
t = check.group(1)
if t in supported:
lang = t
if hasattr(request, 'session'):
request.session['django_language'] =
lang
else:
response.set_cookie('django_language',
lang)
changed = True
if not changed:
if hasattr(request, 'session'):
lang = request.session.get('django_language',
None)
if lang_code in supported and lang_code is not
None:
return lang
lang = request.COOKIES.get('django_language',
None)
if lang_code in supported and lang_code is not
None:
return lang
return lang
def process_request(self, request):
language = self.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',))
translation.deactivate()
return response
#######
from django.conf import settings
def get_absolute_path_without_lang(request):
for lang in settings.LANGUAGES:
if '/' + str(lang[0]) + '/' in request.path:
return request.path.replace('/' + str(lang[0]) + '/',
'/')
return request.path
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