def get_auth_or_create_guest(request):
auth_json = request.session.get(SESSION_AUTH, None)
if auth_json is None:
auth = Instance.get_auth('guest', '')
if auth is not None:
request.session[SESSION_AUTH] = serialize_auth(auth)
else:
auth = deserialize_auth(auth_json)
return auth
def end_request(request, auth):
request.session[SESSION_AUTH] = serialize_auth(auth)