langchain_core.tracers.langchain_v1
.LangChainTracerV1¶
- class langchain_core.tracers.langchain_v1.LangChainTracerV1(**kwargs: Any)[source]¶
[Deprecated] Implementation of the SharedTracer that POSTS to the langchain endpoint.
Notes
Deprecated since version langchain-core==0.1.0: Use LangChainTracer instead.
Initialize the LangChain tracer.
Attributes
ignore_agent
Whether to ignore agent callbacks.
ignore_chain
Whether to ignore chain callbacks.
ignore_chat_model
Whether to ignore chat model callbacks.
ignore_llm
Whether to ignore LLM callbacks.
ignore_retriever
Whether to ignore retriever callbacks.
ignore_retry
Whether to ignore retry callbacks.
raise_error
run_inline
Methods
__init__
(**kwargs)Initialize the LangChain tracer.
Load the default tracing session and set it as the Tracer's session.
load_session
(session_name)Load a session with the given name from the tracer.
on_agent_action
(action, *, run_id[, ...])Run on agent action.
on_agent_finish
(finish, *, run_id[, ...])Run on agent end.
on_chain_end
(outputs, *, run_id[, inputs])End a trace for a chain run.
on_chain_error
(error, *[, inputs])Handle an error for a chain run.
on_chain_start
(serialized, inputs, *, run_id)Start a trace for a chain run.
on_chat_model_start
(serialized, messages, *, ...)Start a trace for an LLM run.
on_llm_end
(response, *, run_id, **kwargs)End a trace for an LLM run.
on_llm_error
(error, *, run_id, **kwargs)Handle an error for an LLM run.
on_llm_new_token
(token, *[, chunk, ...])Run on new LLM token.
on_llm_start
(serialized, prompts, *, run_id)Start a trace for an LLM run.
on_retriever_end
(documents, *, run_id, **kwargs)Run when Retriever ends running.
on_retriever_error
(error, *, run_id, **kwargs)Run when Retriever errors.
on_retriever_start
(serialized, query, *, run_id)Run when Retriever starts running.
on_retry
(retry_state, *, run_id, **kwargs)Run on a retry event.
on_text
(text, *, run_id[, parent_run_id])Run on arbitrary text.
on_tool_end
(output, *, run_id, **kwargs)End a trace for a tool run.
on_tool_error
(error, *, run_id, **kwargs)Handle an error for a tool run.
on_tool_start
(serialized, input_str, *, run_id)Start a trace for a tool run.
- Parameters
kwargs (Any) –
- __init__(**kwargs: Any) None [source]¶
Initialize the LangChain tracer.
- Parameters
kwargs (Any) –
- Return type
None
- load_default_session() Union[TracerSessionV1, TracerSession] [source]¶
Load the default tracing session and set it as the Tracer’s session.
- Return type
Union[TracerSessionV1, TracerSession]
- load_session(session_name: str) Union[TracerSessionV1, TracerSession] [source]¶
Load a session with the given name from the tracer.
- Parameters
session_name (str) –
- Return type
Union[TracerSessionV1, TracerSession]
- on_agent_action(action: AgentAction, *, run_id: UUID, parent_run_id: Optional[UUID] = None, **kwargs: Any) Any ¶
Run on agent action.
- Parameters
action (AgentAction) –
run_id (UUID) –
parent_run_id (Optional[UUID]) –
kwargs (Any) –
- Return type
Any
- on_agent_finish(finish: AgentFinish, *, run_id: UUID, parent_run_id: Optional[UUID] = None, **kwargs: Any) Any ¶
Run on agent end.
- Parameters
finish (AgentFinish) –
run_id (UUID) –
parent_run_id (Optional[UUID]) –
kwargs (Any) –
- Return type
Any
- on_chain_end(outputs: Dict[str, Any], *, run_id: UUID, inputs: Optional[Dict[str, Any]] = None, **kwargs: Any) Run ¶
End a trace for a chain run.
- Parameters
outputs (Dict[str, Any]) –
run_id (UUID) –
inputs (Optional[Dict[str, Any]]) –
kwargs (Any) –
- Return type
- on_chain_error(error: BaseException, *, inputs: Optional[Dict[str, Any]] = None, run_id: UUID, **kwargs: Any) Run ¶
Handle an error for a chain run.
- Parameters
error (BaseException) –
inputs (Optional[Dict[str, Any]]) –
run_id (UUID) –
kwargs (Any) –
- Return type
- on_chain_start(serialized: Dict[str, Any], inputs: Dict[str, Any], *, run_id: UUID, tags: Optional[List[str]] = None, parent_run_id: Optional[UUID] = None, metadata: Optional[Dict[str, Any]] = None, run_type: Optional[str] = None, name: Optional[str] = None, **kwargs: Any) Run ¶
Start a trace for a chain run.
- Parameters
serialized (Dict[str, Any]) –
inputs (Dict[str, Any]) –
run_id (UUID) –
tags (Optional[List[str]]) –
parent_run_id (Optional[UUID]) –
metadata (Optional[Dict[str, Any]]) –
run_type (Optional[str]) –
name (Optional[str]) –
kwargs (Any) –
- Return type
- on_chat_model_start(serialized: Dict[str, Any], messages: List[List[BaseMessage]], *, run_id: UUID, tags: Optional[List[str]] = None, parent_run_id: Optional[UUID] = None, metadata: Optional[Dict[str, Any]] = None, name: Optional[str] = None, **kwargs: Any) Run ¶
Start a trace for an LLM run.
- Parameters
serialized (Dict[str, Any]) –
messages (List[List[BaseMessage]]) –
run_id (UUID) –
tags (Optional[List[str]]) –
parent_run_id (Optional[UUID]) –
metadata (Optional[Dict[str, Any]]) –
name (Optional[str]) –
kwargs (Any) –
- Return type
- on_llm_error(error: BaseException, *, run_id: UUID, **kwargs: Any) Run ¶
Handle an error for an LLM run.
- Parameters
error (BaseException) –
run_id (UUID) –
kwargs (Any) –
- Return type
- on_llm_new_token(token: str, *, chunk: Optional[Union[GenerationChunk, ChatGenerationChunk]] = None, run_id: UUID, parent_run_id: Optional[UUID] = None, **kwargs: Any) Run ¶
Run on new LLM token. Only available when streaming is enabled.
- Parameters
token (str) –
chunk (Optional[Union[GenerationChunk, ChatGenerationChunk]]) –
run_id (UUID) –
parent_run_id (Optional[UUID]) –
kwargs (Any) –
- Return type
- on_llm_start(serialized: Dict[str, Any], prompts: List[str], *, run_id: UUID, tags: Optional[List[str]] = None, parent_run_id: Optional[UUID] = None, metadata: Optional[Dict[str, Any]] = None, name: Optional[str] = None, **kwargs: Any) Run ¶
Start a trace for an LLM run.
- Parameters
serialized (Dict[str, Any]) –
prompts (List[str]) –
run_id (UUID) –
tags (Optional[List[str]]) –
parent_run_id (Optional[UUID]) –
metadata (Optional[Dict[str, Any]]) –
name (Optional[str]) –
kwargs (Any) –
- Return type
- on_retriever_end(documents: Sequence[Document], *, run_id: UUID, **kwargs: Any) Run ¶
Run when Retriever ends running.
- on_retriever_error(error: BaseException, *, run_id: UUID, **kwargs: Any) Run ¶
Run when Retriever errors.
- Parameters
error (BaseException) –
run_id (UUID) –
kwargs (Any) –
- Return type
- on_retriever_start(serialized: Dict[str, Any], query: str, *, run_id: UUID, parent_run_id: Optional[UUID] = None, tags: Optional[List[str]] = None, metadata: Optional[Dict[str, Any]] = None, name: Optional[str] = None, **kwargs: Any) Run ¶
Run when Retriever starts running.
- Parameters
serialized (Dict[str, Any]) –
query (str) –
run_id (UUID) –
parent_run_id (Optional[UUID]) –
tags (Optional[List[str]]) –
metadata (Optional[Dict[str, Any]]) –
name (Optional[str]) –
kwargs (Any) –
- Return type
- on_retry(retry_state: RetryCallState, *, run_id: UUID, **kwargs: Any) Run ¶
Run on a retry event.
- Parameters
retry_state (RetryCallState) –
run_id (UUID) –
kwargs (Any) –
- Return type
- on_text(text: str, *, run_id: UUID, parent_run_id: Optional[UUID] = None, **kwargs: Any) Any ¶
Run on arbitrary text.
- Parameters
text (str) –
run_id (UUID) –
parent_run_id (Optional[UUID]) –
kwargs (Any) –
- Return type
Any
- on_tool_end(output: Any, *, run_id: UUID, **kwargs: Any) Run ¶
End a trace for a tool run.
- Parameters
output (Any) –
run_id (UUID) –
kwargs (Any) –
- Return type
- on_tool_error(error: BaseException, *, run_id: UUID, **kwargs: Any) Run ¶
Handle an error for a tool run.
- Parameters
error (BaseException) –
run_id (UUID) –
kwargs (Any) –
- Return type
- on_tool_start(serialized: Dict[str, Any], input_str: str, *, run_id: UUID, tags: Optional[List[str]] = None, parent_run_id: Optional[UUID] = None, metadata: Optional[Dict[str, Any]] = None, name: Optional[str] = None, inputs: Optional[Dict[str, Any]] = None, **kwargs: Any) Run ¶
Start a trace for a tool run.
- Parameters
serialized (Dict[str, Any]) –
input_str (str) –
run_id (UUID) –
tags (Optional[List[str]]) –
parent_run_id (Optional[UUID]) –
metadata (Optional[Dict[str, Any]]) –
name (Optional[str]) –
inputs (Optional[Dict[str, Any]]) –
kwargs (Any) –
- Return type