langchain_core.callbacks.base.LLMManagerMixin

class langchain_core.callbacks.base.LLMManagerMixin

Mixin for LLM callbacks.

Methods

__init__()
on_llm_end(response, *, run_id[, parent_run_id])	Run when LLM ends running.
on_llm_error(error, *, run_id[, parent_run_id])	Run when LLM errors. :param error: The error that occurred. :type error: BaseException :param kwargs: Additional keyword arguments. - response (LLMResult): The response which was generated before the error occurred. :type kwargs: Any.
on_llm_new_token(token, *[, chunk, ...])	Run on new LLM token.

__init__()

on_llm_end(response: LLMResult, *, run_id: UUID, parent_run_id: Optional[UUID] = None, **kwargs: Any) → Any

Run when LLM ends running.

Parameters

• response (LLMResult) –

• run_id (UUID) –

• parent_run_id (Optional[UUID]) –

• kwargs (Any) –

Return type

Any

on_llm_error(error: BaseException, *, run_id: UUID, parent_run_id: Optional[UUID] = None, **kwargs: Any) → Any

Run when LLM errors. :param error: The error that occurred. :type error: BaseException :param kwargs: Additional keyword arguments.

• response (LLMResult): The response which was generated before

  the error occurred.

Parameters

• error (BaseException) –

• run_id (UUID) –

• parent_run_id (Optional[UUID]) –

• kwargs (Any) –

Return type

Any

on_llm_new_token(token: str, *, chunk: Optional[Union[GenerationChunk, ChatGenerationChunk]] = None, run_id: UUID, parent_run_id: Optional[UUID] = None, **kwargs: Any) → Any

Run on new LLM token. Only available when streaming is enabled.

Parameters

• token (str) – The new token.

• chunk (GenerationChunk | ChatGenerationChunk) – The new generated chunk,

• information. (containing content and other) –

• run_id (UUID) –

• parent_run_id (Optional[UUID]) –

• kwargs (Any) –

Return type

Any