raise_callback_manager_deprecation() — langchain Function Reference

Architecture documentation for the raise_callback_manager_deprecation() function in base.py from the langchain codebase.

Function python AgentOrchestration ClassicChains

Entity Profile

AgentOrchestration→ ClassicChains→ raise_callback_manager_deprecation() — langchain Function Reference

Dependency Diagram

graph TD
  9267fc2d_e405_bf33_7744_58dce173db99["raise_callback_manager_deprecation()"]
  f3cef70e_11b0_61c9_7ec0_7308f4b45056["Chain"]
  9267fc2d_e405_bf33_7744_58dce173db99 -->|defined in| f3cef70e_11b0_61c9_7ec0_7308f4b45056
  style 9267fc2d_e405_bf33_7744_58dce173db99 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/chains/base.py lines 247–263

    def raise_callback_manager_deprecation(cls, values: dict) -> Any:
        """Raise deprecation warning if callback_manager is used."""
        if values.get("callback_manager") is not None:
            if values.get("callbacks") is not None:
                msg = (
                    "Cannot specify both callback_manager and callbacks. "
                    "callback_manager is deprecated, callbacks is the preferred "
                    "parameter to pass in."
                )
                raise ValueError(msg)
            warnings.warn(
                "callback_manager is deprecated. Please use callbacks instead.",
                DeprecationWarning,
                stacklevel=4,
            )
            values["callbacks"] = values.pop("callback_manager", None)
        return values