format_to_openai_function_messages() — langchain Function Reference

Source Code

libs/langchain/langchain_classic/agents/format_scratchpad/openai_functions.py lines 68–86

def format_to_openai_function_messages(
    intermediate_steps: Sequence[tuple[AgentAction, str]],
) -> list[BaseMessage]:
    """Convert (AgentAction, tool output) tuples into FunctionMessages.

    Args:
        intermediate_steps: Steps the LLM has taken to date, along with observations

    Returns:
        list of messages to send to the LLM for the next prediction
    Raises:
        ValueError: if the observation cannot be converted to a string.
    """
    messages = []

    for agent_action, observation in intermediate_steps:
        messages.extend(_convert_agent_action_to_messages(agent_action, observation))

    return messages