django_orm.py 文件源码

def locked_put(self, credentials, overwrite=False):
    """Write a Credentials to the datastore.

    Args:
      credentials: Credentials, the credentials to store.
      overwrite: Boolean, indicates whether you would like these credentials to
                          overwrite any existing stored credentials.
    """
    args = {self.key_name: self.key_value}

    if overwrite:
      entity, unused_is_new = self.model_class.objects.get_or_create(**args)
    else:
      entity = self.model_class(**args)

    setattr(entity, self.property_name, credentials)
    entity.save()