old_contents: from django.shortcuts import render_to_response
  from django.template import RequestContext
  from django.conf import settings
  from django import http
  from django.core.urlresolvers import reverse
  from gallery import models as gallery_api
  from gallery.utils import create_s3_policy_doc
  from gallery.emails import send_confirmation_email
  
  import hmac, hashlib
  
  
  def gallery(request):
      """ show gallery for all signups for this sequence with profiles """
      redirect_url = 'http://{0}/gallery/success/'.format(request.META.get('HTTP_HOST'))
      
      s3_policy, signature = create_s3_policy_doc(settings.AWS_S3_BUCKET, 'gallery', redirect_url)
  
      prefix = hmac.new('THEANSWERIS42', request.session.session_key, hashlib.sha1).hexdigest()
  
      context = {
          'bios': gallery_api.get_bios( 'TODO' ),
          'has_bio': request.session.get('has_bio', False),
          's3_policy': s3_policy,
          's3_signature': signature,
          's3_redirect_url': redirect_url,
          'AWS_ACCESS_KEY_ID': settings.AWS_ACCESS_KEY_ID,
          'AWS_S3_BUCKET': settings.AWS_S3_BUCKET,
          'key_prefix': 'gallery/{0}'.format(prefix)
      }
      
      return render_to_response('gallery/index.html', context, context_instance=RequestContext(request))
  
  
  def save_bio(request):
      """ receive AJAX post from class gallery page """
      if request.method == 'POST':
          # save bio info
          user_bio = gallery_api.save_bio(request.POST['email'], request.POST['name'], request.POST['bio'], request.POST['avatar'])
          if request.session.get('user_email', False):
              # TODO what to do if user_email in session and email in bio doesn't match?
              user_bio = gallery_api.confirm_bio(user_bio['confirmation_code'])
          else:
              send_confirmation_email(**user_bio)
          request.session['has_bio'] = True
          request.session['user_bio'] = user_bio
      return http.HttpResponseRedirect(reverse('gallery_gallery'))
  
  
  def avatar_success(request):
      return http.HttpResponse('')
  
  
  def confirm_updates(request, confirmation_code):
      try:
          bio = gallery_api.confirm_bio(confirmation_code)
          request.session['user_bio'] = bio
          request.session['user_email'] = bio['email']
      except Exception:
          pass
      return http.HttpResponseRedirect(reverse('gallery_gallery'))
  
new_contents: from django.shortcuts import render_to_response
  from django.template import RequestContext
  from django.conf import settings
  from django import http
  from django.core.urlresolvers import reverse
  from gallery import models as gallery_api
  from gallery.utils import create_s3_policy_doc
  from gallery.emails import send_confirmation_email
  
  import hmac, hashlib
  
  
  def gallery(request):
      """ show gallery for all signups for this sequence with profiles """
      redirect_url = 'http://{0}/gallery/success/'.format(request.META.get('HTTP_HOST'))
      
      s3_policy, signature = create_s3_policy_doc(settings.AWS_S3_BUCKET, 'gallery', redirect_url)
  
      prefix = hmac.new('THEANSWERIS42', request.session.session_key, hashlib.sha1).hexdigest()
  
      context = {
          'bios': gallery_api.get_bios( 'TODO' ),
          'has_bio': request.session.get('has_bio', False),
          's3_policy': s3_policy,
          's3_signature': signature,
          's3_redirect_url': redirect_url,
          'AWS_ACCESS_KEY_ID': settings.AWS_ACCESS_KEY_ID,
          'AWS_S3_BUCKET': settings.AWS_S3_BUCKET,
          'key_prefix': 'gallery/{0}'.format(prefix)
      }
      
      return render_to_response('gallery/index.html', context, context_instance=RequestContext(request))
  
  
  def save_bio(request):
      """ receive AJAX post from class gallery page """
      
      if request.method == 'POST':
          # save bio info
          user_bio = gallery_api.save_bio(
              request.POST['email'],
              request.POST['name'],
              request.POST['bio'],
              request.POST['avatar']
          )
          
          user_email = request.session.get('user_email', False)
          if user_email and user_email == user_bio['email']:
              user_bio = gallery_api.confirm_bio(user_bio['confirmation_code'])
          else:
              send_confirmation_email(**user_bio)
          
          request.session['has_bio'] = True
          request.session['user_bio'] = user_bio
      
      return http.HttpResponseRedirect(reverse('gallery_gallery'))
  
  
  def avatar_success(request):
      return http.HttpResponse('')
  
  
  def confirm_updates(request, confirmation_code):
      try:
          bio = gallery_api.confirm_bio(confirmation_code)
          request.session['user_bio'] = bio
          request.session['user_email'] = bio['email']
      except Exception:
          pass
      return http.HttpResponseRedirect(reverse('gallery_gallery'))
  
subject: Check for cached email and email of updated profile