gistfile1.py

@facebook_authorization_required
  def register(request):
    """Register a membership in NLA"""

    if request.method == "POST":
          membership_holder_form = MembershipHolderForm(request.POST, prefix='membership_holder')
          membership_donator_form = MembershipDonatorForm(request.POST, prefix='membership_donator')
          if membership_holder_form.is_valid() and membership_donator_form.is_valid():
            membership_holder_form.save()
            membership_donator_form.save()
        else:
          if 'select_facebook_contacts' in request.GET:
            initial_membership_holder_form_values = {
              'facebook_id': request.GET['facebook_id'],
              'name': facebook.GraphAPI(request.facebook['oauth_token']).get_object(request.GET['facebook_id'])['name']
            }
          elif 'select_email_contacts' in request.GET:
            initial_membership_holder_form_values = {
              'email': request.GET['email']
            }

          membership_holder_form = MembershipHolderForm(prefix='membership_holder', initial=initial_membership_holder_form_values)

          membership_donator_form = MembershipDonatorForm(
            prefix = 'membership_donator',
            initial = {
              'facebook_id': request.facebook['user_id'],
              'oauth_token': request.facebook['oauth_token'],
              'name': facebook.GraphAPI(request.facebook['oauth_token']).get_object(request.facebook['user_id'])['name']
            }
          )

    return render_to_response(
      'wizard/register.html', 
      {
        'membership_holder_form': membership_holder_form,
        'membership_donator_form': membership_donator_form
      },
      context_instance=RequestContext(request)
    )