def invitation_detail(request, token):
 invitation = Invitation.objects.get_invitation(token)
 if (not invitation):
  return invitation_error(request, 'This invitation is no longer valid.')
 backend = getattr(settings, 'REGISTRATION_BACKEND', 'registration.backends.default.DefaultBackend')
 return register(request, backend)

def invitation_detail ( request , token ) : invitation = Invitation . objects . get_invitation ( token ) if ( not invitation ) : return invitation_error ( request , 'This invitation is no longer valid.' ) backend = getattr ( settings , 'REGISTRATION_BACKEND' , 'registration.backends.default.DefaultBackend' ) return register ( request , backend )
returns a sign up form via the django-registration app if the url is valid .