import random

import sys

from django.conf import settings

from django.core.exceptions import ObjectDoesNotExist

from django.core.urlresolvers import reverse

from django.db.models import Q

from django.http import Http404, HttpResponse, HttpResponseForbidden

from django.shortcuts import render, redirect, get_object_or_404

from django.views import static

from django.contrib import messages

from django.contrib.auth.models import User

from django.contrib.auth.decorators import login_required

from account.models import EmailAddress

from symposion.proposals.models import ProposalBase, ProposalSection, ProposalKind

from symposion.proposals.models import SupportingDocument, AdditionalSpeaker

from symposion.speakers.models import Speaker

from symposion.utils.mail import send_email