def nickname(self):
    if (self.__email and self.__auth_domain and
        self.__email.endswith('@' + self.__auth_domain)):
      suffix_len = len(self.__auth_domain) + 1
      return self.__email[:-suffix_len]
    elif self.__federated_identity:
      return self.__federated_identity
    else:
      return self.__email
Return this user's nickname.
dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/appengine/api/users.py/User.nickname