docs: def create_subscription(request):
      "Shows subscriptions options for a new subscriber."
      
      if request.POST:
          form = NewSubscriptionForm(request.POST)
          if form.is_valid():
              unverified = form.save()
  
              body = """Please confirm your email address to subscribe to status updates from %(name)s:\n\n%(link)s""" % dict(
                  name=conf.NAME,
                  link=urlparse.urljoin(conf.BASE_URL, reverse('overseer:verify_subscription', args=[unverified.ident]))
              )
  
              # Send verification email
              from_mail = conf.FROM_EMAIL
              if not from_mail:
                  from_mail = 'overseer@%s' % request.get_host().split(':', 1)[0]
              
              send_mail('Confirm Subscription', body, from_mail, [unverified.email],
                        fail_silently=True)
              
              # Show success page
              return respond('overseer/create_subscription_complete.html', {
                  'subscription': unverified,
              }, request)
      else:
          form = NewSubscriptionForm()
  
      context = csrf(request)
      context.update({
          'form': form,
          'service_list': Service.objects.all(),
      })
  
      return respond('overseer/create_subscription.html', context, request)