langchain_community.callbacks.streamlit.streamlit_callback_handler.LLMThought

class langchain_community.callbacks.streamlit.streamlit_callback_handler.LLMThought(parent_container: DeltaGenerator, labeler: LLMThoughtLabeler, expanded: bool, collapse_on_complete: bool)

A thought in the LLM’s thought stream.

Initialize the LLMThought.

Parameters

• parent_container – The container we’re writing into.

• labeler – The labeler to use for this thought.

• expanded – Whether the thought should be expanded by default.

• collapse_on_complete – Whether the thought should be collapsed.

Attributes

container	The container we're writing into.
last_tool	The last tool executed by this thought

Methods

__init__(parent_container, labeler, ...)	Initialize the LLMThought.
clear()	Remove the thought from the screen.
complete([final_label])	Finish the thought.
on_agent_action(action[, color])
on_llm_end(response, **kwargs)
on_llm_error(error, **kwargs)
on_llm_new_token(token, **kwargs)
on_llm_start(serialized, prompts)
on_tool_end(output[, color, ...])
on_tool_error(error, **kwargs)
on_tool_start(serialized, input_str, **kwargs)

__init__(parent_container: DeltaGenerator, labeler: LLMThoughtLabeler, expanded: bool, collapse_on_complete: bool)

Initialize the LLMThought.

Parameters

• parent_container – The container we’re writing into.

• labeler – The labeler to use for this thought.

• expanded – Whether the thought should be expanded by default.

• collapse_on_complete – Whether the thought should be collapsed.

clear() → None

Remove the thought from the screen. A cleared thought can’t be reused.

complete(final_label: Optional[str] = None) → None

Finish the thought.

on_agent_action(action: AgentAction, color: Optional[str] = None, **kwargs: Any) → Any

on_llm_end(response: LLMResult, **kwargs: Any) → None

on_llm_error(error: BaseException, **kwargs: Any) → None

on_llm_new_token(token: str, **kwargs: Any) → None

on_llm_start(serialized: Dict[str, Any], prompts: List[str]) → None

on_tool_end(output: str, color: Optional[str] = None, observation_prefix: Optional[str] = None, llm_prefix: Optional[str] = None, **kwargs: Any) → None

on_tool_error(error: BaseException, **kwargs: Any) → None

on_tool_start(serialized: Dict[str, Any], input_str: str, **kwargs: Any) → None