langchain_core.callbacks.manager.AsyncCallbackManagerForChainGroup¶

class langchain_core.callbacks.manager.AsyncCallbackManagerForChainGroup(handlers: List[BaseCallbackHandler], inheritable_handlers: Optional[List[BaseCallbackHandler]] = None, parent_run_id: Optional[UUID] = None, *, parent_run_manager: AsyncCallbackManagerForChainRun, **kwargs: Any)[source]¶

Async callback manager for the chain group.

Initialize callback manager.

Attributes

is_async

Return whether the handler is async.

Methods

__init__(handlers[, inheritable_handlers, ...])

Initialize callback manager.

add_handler(handler[, inherit])

Add a handler to the callback manager.

add_metadata(metadata[, inherit])

add_tags(tags[, inherit])

configure([inheritable_callbacks, ...])

Configure the async callback manager.

copy()

Copy the callback manager.

on_chain_end(outputs, **kwargs)

Run when traced chain group ends.

on_chain_error(error, **kwargs)

Run when chain errors.

on_chain_start(serialized, inputs[, run_id])

Run when chain starts running.

on_chat_model_start(serialized, messages, ...)

Run when LLM starts running.

on_llm_start(serialized, prompts, **kwargs)

Run when LLM starts running.

on_retriever_start(serialized, query[, ...])

Run when retriever starts running.

on_tool_start(serialized, input_str[, ...])

Run when tool starts running.

remove_handler(handler)

Remove a handler from the callback manager.

remove_metadata(keys)

remove_tags(tags)

set_handler(handler[, inherit])

Set handler as the only handler on the callback manager.

set_handlers(handlers[, inherit])

Set handlers as the only handlers on the callback manager.
__init__(handlers: List[BaseCallbackHandler], inheritable_handlers: Optional[List[BaseCallbackHandler]] = None, parent_run_id: Optional[UUID] = None, *, parent_run_manager: AsyncCallbackManagerForChainRun, **kwargs: Any) → None[source]¶

Initialize callback manager.

add_handler(handler: BaseCallbackHandler, inherit: bool = True) → None¶

Add a handler to the callback manager.

add_metadata(metadata: Dict[str, Any], inherit: bool = True) → None¶
add_tags(tags: List[str], inherit: bool = True) → None¶
classmethod configure(inheritable_callbacks: Optional[Union[List[BaseCallbackHandler], BaseCallbackManager]] = None, local_callbacks: Optional[Union[List[BaseCallbackHandler], BaseCallbackManager]] = None, verbose: bool = False, inheritable_tags: Optional[List[str]] = None, local_tags: Optional[List[str]] = None, inheritable_metadata: Optional[Dict[str, Any]] = None, local_metadata: Optional[Dict[str, Any]] = None) → AsyncCallbackManager¶

Configure the async callback manager.

Parameters

  • inheritable_callbacks (Optional[Callbacks], optional) – The inheritable callbacks. Defaults to None.

  • local_callbacks (Optional[Callbacks], optional) – The local callbacks. Defaults to None.

  • verbose (bool, optional) – Whether to enable verbose mode. Defaults to False.

  • inheritable_tags (Optional[List[str]], optional) – The inheritable tags. Defaults to None.

  • local_tags (Optional[List[str]], optional) – The local tags. Defaults to None.

  • inheritable_metadata (Optional[Dict[str, Any]], optional) – The inheritable metadata. Defaults to None.

  • local_metadata (Optional[Dict[str, Any]], optional) – The local metadata. Defaults to None.

Returns

The configured async callback manager.

Return type

AsyncCallbackManager

copy() → AsyncCallbackManagerForChainGroup[source]¶

Copy the callback manager.

async on_chain_end(outputs: Union[Dict[str, Any], Any], **kwargs: Any) → None[source]¶

Run when traced chain group ends.

Parameters

outputs (Union[Dict[str, Any], Any]) – The outputs of the chain.

async on_chain_error(error: BaseException, **kwargs: Any) → None[source]¶

Run when chain errors.

Parameters

error (Exception or KeyboardInterrupt) – The error.

async on_chain_start(serialized: Dict[str, Any], inputs: Union[Dict[str, Any], Any], run_id: Optional[UUID] = None, **kwargs: Any) → AsyncCallbackManagerForChainRun¶

Run when chain starts running.

Parameters

  • serialized (Dict[str, Any]) – The serialized chain.

  • inputs (Union[Dict[str, Any], Any]) – The inputs to the chain.

  • run_id (UUID, optional) – The ID of the run. Defaults to None.

Returns

The async callback manager

for the chain run.

Return type

AsyncCallbackManagerForChainRun

async on_chat_model_start(serialized: Dict[str, Any], messages: List[List[BaseMessage]], **kwargs: Any) → List[AsyncCallbackManagerForLLMRun]¶

Run when LLM starts running.

Parameters

  • serialized (Dict[str, Any]) – The serialized LLM.

  • messages (List[List[BaseMessage]]) – The list of messages.

  • run_id (UUID, optional) – The ID of the run. Defaults to None.

Returns

The list of

async callback managers, one for each LLM Run corresponding to each inner message list.

Return type

List[AsyncCallbackManagerForLLMRun]

async on_llm_start(serialized: Dict[str, Any], prompts: List[str], **kwargs: Any) → List[AsyncCallbackManagerForLLMRun]¶

Run when LLM starts running.

Parameters

  • serialized (Dict[str, Any]) – The serialized LLM.

  • prompts (List[str]) – The list of prompts.

  • run_id (UUID, optional) – The ID of the run. Defaults to None.

Returns

The list of async

callback managers, one for each LLM Run corresponding to each prompt.

Return type

List[AsyncCallbackManagerForLLMRun]

async on_retriever_start(serialized: Dict[str, Any], query: str, run_id: Optional[UUID] = None, parent_run_id: Optional[UUID] = None, **kwargs: Any) → AsyncCallbackManagerForRetrieverRun¶

Run when retriever starts running.

async on_tool_start(serialized: Dict[str, Any], input_str: str, run_id: Optional[UUID] = None, parent_run_id: Optional[UUID] = None, **kwargs: Any) → AsyncCallbackManagerForToolRun¶

Run when tool starts running.

Parameters

  • serialized (Dict[str, Any]) – The serialized tool.

  • input_str (str) – The input to the tool.

  • run_id (UUID, optional) – The ID of the run. Defaults to None.

  • parent_run_id (UUID, optional) – The ID of the parent run. Defaults to None.

Returns

The async callback manager

for the tool run.

Return type

AsyncCallbackManagerForToolRun

remove_handler(handler: BaseCallbackHandler) → None¶

Remove a handler from the callback manager.

remove_metadata(keys: List[str]) → None¶
remove_tags(tags: List[str]) → None¶
set_handler(handler: BaseCallbackHandler, inherit: bool = True) → None¶

Set handler as the only handler on the callback manager.

set_handlers(handlers: List[BaseCallbackHandler], inherit: bool = True) → None¶

Set handlers as the only handlers on the callback manager.