Presidentpoll - get data fra HuffPost president pollofpoll and pass to Django template

views.py

from django.shortcuts import render_to_response, get_object_or_404, get_list_or_404
from django.http import HttpResponseRedirect, Http404, HttpResponse
from django.template import RequestContext
from django.core.cache import cache
import iso8601

from pollster import Pollster

def presidentmatch(request):

    #See if we have a resent poll in cache
    cachedpoll = cache.get('2012-general-election-romney-vs-obama', None)

    if cachedpoll is None:
        #This is a cache miss

        try:
            pollster = Pollster()
            #get the latest estimates from Huffington Post API
            cachedpoll = pollster.chart('2012-general-election-romney-vs-obama')
            #cache the results for an hour
            cache.set('2012-general-election-romney-vs-obama', cachedpoll, 60*60)

        except Exception,e:

            #when an exception occurs, just show a blank snippet, better than to display an error message inline
            return HttpResponse("")


    #format the estimates dict, get just values and replace . with , for Norwegian formatting:
    estimates = dict([[e['choice'].lower(), str(e['value']).replace(".", ",")] for e in cachedpoll.estimates])
    updated = iso8601.parse_date(cachedpoll.last_updated)

    return render_to_response('presidentpolls/presidentmatch.html',
        {'estimates': estimates,
         'updated': updated},
        context_instance=RequestContext(request))