def process_request(self, request):
if request.path.startswith("/admin"):
return None
# Use hash as the key since UA's can be quite llong, dont want to hit memcache 250 byte limit
device_cache_key = hash(request.META['HTTP_USER_AGENT'])
template_set = cache.get(device_cache_key)
if template_set == "unsupported":
return HttpResponse(loader.get_template('pages/418_service_error.html').render(RequestContext(request)))
full_path = request.get_full_path()
media_request = (full_path.startswith(settings.MEDIA_URL) or
full_path.startswith(settings.ADMIN_MEDIA_PREFIX) or full_path.startswith('/favicon'))
if not template_set:
template_set = ua_mapper.get_template_set(request.META['HTTP_USER_AGENT'])
if not template_set:
mapper = UAMapper()
user_agent, device, template_set = mapper.map_by_request(request)
device_cache_timeout = getattr(settings, 'DEVICE_CACHE_TIMEOUT', 72000)
cache.set(device_cache_key, template_set, device_cache_timeout)
if not media_request and template_set:
# switch the template dir for the given device
settings.TEMPLATE_DIRS = settings.DEVICE_TEMPLATE_DIRS[template_set]
request.template_set = template_set
return None
def handle(self, force, *args, **options):
mapper = UAMapper()
if self.fetch_latest_wurfl() or force:
self.wurfl_to_python()
from wurfl import devices
print "Updating Redis..."
for i, ua in enumerate(devices.uas):
device = devices.select_ua(ua)
mapper.map(user_agent=ua, device=device)
print "Done."
else:
print "Done. Redis unchanged."
def map_request(request):
mapper = UAMapper()
user_agent, device, value = mapper.map_by_request(request)
return HttpResponse(value)