"""**Callback handlers** allow listening to events in LangChain. **Class hierarchy:** .. code-block:: BaseCallbackHandler --> CallbackHandler # Example: AimCallbackHandler """ import importlib from typing import TYPE_CHECKING, Any if TYPE_CHECKING: from langchain_community.callbacks.aim_callback import ( AimCallbackHandler, ) from langchain_community.callbacks.argilla_callback import ( ArgillaCallbackHandler, ) from langchain_community.callbacks.arize_callback import ( ArizeCallbackHandler, ) from langchain_community.callbacks.arthur_callback import ( ArthurCallbackHandler, ) from langchain_community.callbacks.clearml_callback import ( ClearMLCallbackHandler, ) from langchain_community.callbacks.comet_ml_callback import ( CometCallbackHandler, ) from langchain_community.callbacks.context_callback import ( ContextCallbackHandler, ) from langchain_community.callbacks.fiddler_callback import ( FiddlerCallbackHandler, ) from langchain_community.callbacks.flyte_callback import ( FlyteCallbackHandler, ) from langchain_community.callbacks.human import ( HumanApprovalCallbackHandler, ) from langchain_community.callbacks.infino_callback import ( InfinoCallbackHandler, ) from langchain_community.callbacks.labelstudio_callback import ( LabelStudioCallbackHandler, ) from langchain_community.callbacks.llmonitor_callback import ( LLMonitorCallbackHandler, ) from langchain_community.callbacks.manager import ( get_openai_callback, wandb_tracing_enabled, ) from langchain_community.callbacks.mlflow_callback import ( MlflowCallbackHandler, ) from langchain_community.callbacks.openai_info import ( OpenAICallbackHandler, ) from langchain_community.callbacks.promptlayer_callback import ( PromptLayerCallbackHandler, ) from langchain_community.callbacks.sagemaker_callback import ( SageMakerCallbackHandler, ) from langchain_community.callbacks.streamlit import ( LLMThoughtLabeler, StreamlitCallbackHandler, ) from langchain_community.callbacks.trubrics_callback import ( TrubricsCallbackHandler, ) from langchain_community.callbacks.upstash_ratelimit_callback import ( UpstashRatelimitError, UpstashRatelimitHandler, # noqa: F401 ) from langchain_community.callbacks.uptrain_callback import ( UpTrainCallbackHandler, ) from langchain_community.callbacks.wandb_callback import ( WandbCallbackHandler, ) from langchain_community.callbacks.whylabs_callback import ( WhyLabsCallbackHandler, ) _module_lookup = { "AimCallbackHandler": "langchain_community.callbacks.aim_callback", "ArgillaCallbackHandler": "langchain_community.callbacks.argilla_callback", "ArizeCallbackHandler": "langchain_community.callbacks.arize_callback", "ArthurCallbackHandler": "langchain_community.callbacks.arthur_callback", "ClearMLCallbackHandler": "langchain_community.callbacks.clearml_callback", "CometCallbackHandler": "langchain_community.callbacks.comet_ml_callback", "ContextCallbackHandler": "langchain_community.callbacks.context_callback", "FiddlerCallbackHandler": "langchain_community.callbacks.fiddler_callback", "FlyteCallbackHandler": "langchain_community.callbacks.flyte_callback", "HumanApprovalCallbackHandler": "langchain_community.callbacks.human", "InfinoCallbackHandler": "langchain_community.callbacks.infino_callback", "LLMThoughtLabeler": "langchain_community.callbacks.streamlit", "LLMonitorCallbackHandler": "langchain_community.callbacks.llmonitor_callback", "LabelStudioCallbackHandler": "langchain_community.callbacks.labelstudio_callback", "MlflowCallbackHandler": "langchain_community.callbacks.mlflow_callback", "OpenAICallbackHandler": "langchain_community.callbacks.openai_info", "PromptLayerCallbackHandler": "langchain_community.callbacks.promptlayer_callback", "SageMakerCallbackHandler": "langchain_community.callbacks.sagemaker_callback", "StreamlitCallbackHandler": "langchain_community.callbacks.streamlit", "TrubricsCallbackHandler": "langchain_community.callbacks.trubrics_callback", "UpstashRatelimitError": "langchain_community.callbacks.upstash_ratelimit_callback", "UpstashRatelimitHandler": "langchain_community.callbacks.upstash_ratelimit_callback", # noqa "UpTrainCallbackHandler": "langchain_community.callbacks.uptrain_callback", "WandbCallbackHandler": "langchain_community.callbacks.wandb_callback", "WhyLabsCallbackHandler": "langchain_community.callbacks.whylabs_callback", "get_openai_callback": "langchain_community.callbacks.manager", "wandb_tracing_enabled": "langchain_community.callbacks.manager", } def __getattr__(name: str) -> Any: if name in _module_lookup: module = importlib.import_module(_module_lookup[name]) return getattr(module, name) raise AttributeError(f"module {__name__} has no attribute {name}") __all__ = [ "AimCallbackHandler", "ArgillaCallbackHandler", "ArizeCallbackHandler", "ArthurCallbackHandler", "ClearMLCallbackHandler", "CometCallbackHandler", "ContextCallbackHandler", "FiddlerCallbackHandler", "FlyteCallbackHandler", "HumanApprovalCallbackHandler", "InfinoCallbackHandler", "LLMThoughtLabeler", "LLMonitorCallbackHandler", "LabelStudioCallbackHandler", "MlflowCallbackHandler", "OpenAICallbackHandler", "PromptLayerCallbackHandler", "SageMakerCallbackHandler", "StreamlitCallbackHandler", "TrubricsCallbackHandler", "UpstashRatelimitError", "UpstashRatelimitHandler", "UpTrainCallbackHandler", "WandbCallbackHandler", "WhyLabsCallbackHandler", "get_openai_callback", "wandb_tracing_enabled", ]