Hello there,
I modified "Advanced Locale from URL middleware" by Jonathan Schemoul a
bit and mixed in some parts of django.middleware.common.
It prepends the language code to the url if no language code was
present in request.path.
Can somebody check the code to suggest possible optimizations and
remove foolishness (especially the regular expressions...)? Untill now,
it just suits the purpose, nothing more.
Thank you,
Gjiro
###
from django.utils.cache import patch_vary_headers
from django.utils import translation
from django.conf import settings
import re
class LocaleURLMiddleware:
def get_match_from_request (self, request):
return re.match(r'/(\w\w)/.*', request.path)
def get_language_from_request (self, request):
changed = False
check_langstart = self.get_match_from_request(request)
lang = settings.LANGUAGE_CODE[:2]
supported = dict(settings.LANGUAGES)
if check_langstart is not None: # check if path contains
language
t = check_langstart.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 in supported and lang is not None:
return lang
else:
lang = request.COOKIES.get('django_language',
None)
if lang in supported and lang is not None:
return lang
return lang
def process_request(self, request):
do_prepend = False
language = self.get_language_from_request(request) # get
language
translation.activate(language)
request.LANGUAGE_CODE = translation.get_language()
check_langstart = self.get_match_from_request(request)
supported = dict(settings.LANGUAGES)
prepend_lang = settings.PREPEND_LANG
if settings.PREPEND_LANG:
check_slashend = re.match(r'/.*/$', request.path) #
check if path
ends with slash
if check_slashend is not None: # path end with slash,
no image, css,
js.
from django import http
host = http.get_host(request)
old_url = [host, request.path]
new_url = old_url[:]
if check_langstart is None: # no language
specified
do_prepend = True
new_url[1] = '/' + language +
new_url[1] # prepend language
else: # language specified
t = check_langstart.group(1)
if t not in supported: # language not
supported
do_prepend = True
new_url[1] =
re.sub(r'/([^/]*?)/(.*?)','/'+ language +'/',
request.path) # replace not supported language
if prepend_lang and do_prepend: # check
conditions for redirect
if settings.DEBUG and request.method ==
'POST':
raise RuntimeError, "You called
this URL via POST, but the URL
doesn't end in a slash and you have APPEND_SLASH set. Django can't
redirect to the slash URL while maintaining POST data. Change your form
to point to %s%s (note the trailing slash), or set APPEND_SLASH=False
in your Django settings." % (new_url[0], new_url[1])
request_path = "/%s/%s" % (language,
request.path)
if new_url != old_url:
# Redirect
if new_url[0]:
newurl = "%s://%s%s" %
(request.is_secure() and 'https' or
'http', new_url[0], new_url[1])
else:
newurl = new_url[1]
if request.GET:
newurl += '?' +
request.GET.urlencode()
return
http.HttpResponsePermanentRedirect(newurl) # redirect to
new url
return None
def process_response(self, request, response):
patch_vary_headers(response, ('Accept-Language',))
translation.deactivate()
return response
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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