langchain_core.runnables.config.get_config_list¶

langchain_core.runnables.config.get_config_list(config: Optional[Union[RunnableConfig, List[RunnableConfig]]], length: int) → List[RunnableConfig][source]¶

Get a list of configs from a single config or a list of configs.

It is useful for subclasses overriding batch() or abatch().

Parameters

  • config (Optional[Union[RunnableConfig, List[RunnableConfig]]]) – The config or list of configs.

  • length (int) – The length of the list.

Returns

The list of configs.

Return type

List[RunnableConfig]

Raises

ValueError – If the length of the list is not equal to the length of the inputs.