Change Django Templates Based on User-Agent

Question

I\'ve made a Django site, but I\'ve drank the Koolaid and I want to make an IPhone version. After putting much thought into I\'ve come up with two options:

Answer 1

Detect the user agent in middleware, switch the url bindings, profit!

How? Django request objects have a .urlconf attribute, which can be set by middleware.

From django docs:

Django determines the root URLconf module to use. Ordinarily, this is the value of the ROOT_URLCONF setting, but if the incoming HttpRequest object has an attribute called urlconf (set by middleware request processing), its value will be used in place of the ROOT_URLCONF setting.

1. In yourproj/middlware.py, write a class that checks the http_user_agent string:

   import re
   MOBILE_AGENT_RE=re.compile(r".*(iphone|mobile|androidtouch)",re.IGNORECASE)
   class MobileMiddleware(object):
       def process_request(self,request):
           if MOBILE_AGENT_RE.match(request.META['HTTP_USER_AGENT']):
               request.urlconf="yourproj.mobile_urls"
   

2. Don't forget to add this to MIDDLEWARE_CLASSES in settings.py:

   MIDDLEWARE_CLASSES= [...
       'yourproj.middleware.MobileMiddleware',
   ...]
   

3. Create a mobile urlconf, yourproj/mobile_urls.py:

   urlpatterns=patterns('',('r'/?$', 'mobile.index'), ...)