Class ZeroShotAgentOutputParser

A class that extends AgentActionOutputParser to provide a custom implementation for parsing the output of a ZeroShotAgent action.

Hierarchy

Constructors

Properties

finishToolName: string

Methods

  • Returns the format instructions for parsing the output of an agent action in the style of the ZeroShotAgent.

    Returns string

    The format instructions for parsing the output.

  • Calls the parser with a given input and optional configuration options. If the input is a string, it creates a generation with the input as text and calls parseResult. If the input is a BaseMessage, it creates a generation with the input as a message and the content of the input as text, and then calls parseResult.

    Parameters

    • input: string | BaseMessage

      The input to the parser, which can be a string or a BaseMessage.

    • Optional options: BaseCallbackConfig

      Optional configuration options.

    Returns Promise<AgentAction | AgentFinish>

    A promise of the parsed output.

  • Parses the text output of an agent action, extracting the tool, tool input, and output.

    Parameters

    • text: string

      The text output of an agent action.

    Returns Promise<{
        log: string;
        returnValues: {
            output: string;
        };
        tool?: undefined;
        toolInput?: undefined;
    } | {
        log: string;
        tool: string;
        toolInput: string;
        returnValues?: undefined;
    }>

    An object containing the tool, tool input, and output extracted from the text, along with the original text as a log.

  • Create a new runnable sequence that runs each individual runnable in series, piping the output of one runnable into another runnable or runnable-like.

    Type Parameters

    • NewRunOutput

    Parameters

    Returns RunnableSequence<string | BaseMessage, Exclude<NewRunOutput, Error>>

    A new runnable sequence.

  • Stream all output from a runnable, as reported to the callback system. This includes all inner runs of LLMs, Retrievers, Tools, etc. Output is streamed as Log objects, which include a list of jsonpatch ops that describe how the state of the run has changed in each step, and the final state of the run. The jsonpatch ops can be applied in order to construct state.

    Parameters

    • input: string | BaseMessage
    • Optional options: Partial<BaseCallbackConfig>
    • Optional streamOptions: Omit<LogStreamCallbackHandlerInput, "autoClose">

    Returns AsyncGenerator<RunLogPatch, any, unknown>

  • Default implementation of transform, which buffers input and then calls stream. Subclasses should override this method if they can start producing output while input is still being generated.

    Parameters

    Returns AsyncGenerator<AgentAction | AgentFinish, any, unknown>

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