namespace_range.py 文件源码

def _key_for_namespace(namespace, app):
  """Return the __namespace__ key for a namespace.

  Args:
    namespace: The namespace whose key is requested.
    app: The id of the application that the key belongs to.

  Returns:
    A db.Key representing the namespace.
  """
  if namespace:
    return db.Key.from_path(metadata.Namespace.KIND_NAME,
                            namespace,
                            _app=app)
  else:
    return db.Key.from_path(metadata.Namespace.KIND_NAME,
                            metadata.Namespace.EMPTY_NAMESPACE_ID,
                            _app=app)