http response json

json_sample.py

def view_vote(request, aid = 0):
    result = {'success': False}
    cookie_set = False
    try:
        interview = Interview.objects.latest()
        answer = Answer.objects.get(id = aid)
    except:
        result['message'] = 'Answer or interview not founded'
    else:
        if answer.interview.id != interview.id or interview.on == False:
            result['message'] = 'Answer is incorrect'
        else:
            result['success'] = True
            if request.session.get('voted', False):
                result['message'] = 'You are voted'
            elif request.COOKIES.get('v%s'%interview.id, '0') == '1':
                result['message'] = 'You are voted'
            else:
                request.session['voted'] = True
                cookie_set = True
                answer.count += 1
                answer.save()
                result['message'] = 'Vote is success'

    json = json.dumps(result)
    response = HttpResponse(json, mimetype = 'application/json')
    if cookie_set:
        response.set_cookie('v%s'%interview.id, '1')
    return response