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    Pythonlangchain-coretracersevaluation
    Module●Since v0.1

    evaluation

    A tracer that runs evaluators over completed runs.

    Attributes

    attribute
    Run: RunTree
    attribute
    logger

    Functions

    function
    run_copy

    Copy run, compatible with both Pydantic v1 and v2.

    function
    tracing_v2_enabled

    Instruct LangChain to log all runs in context to LangSmith.

    function
    wait_for_all_evaluators

    Wait for all tracers to finish.

    Classes

    class
    BaseTracer

    Base interface for tracers.

    class
    EvaluatorCallbackHandler

    Tracer that runs a run evaluator whenever a run is persisted.

    Modules

    module
    langchain_tracer

    A tracer implementation that records to LangChain endpoint.

    View source on GitHub