set_handlers() — langchain Function Reference

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

Function python Observability CallbackManager calls 1 called by 1

Entity Profile

Observability→ CallbackManager→ set_handlers() — langchain Function Reference

Dependency Diagram

graph TD
  d3ca4cfe_17d5_f870_d94f_bf0e7595143d["set_handlers()"]
  24bc19d6_d1f4_bd59_6fc4_6ef5b08a4d41["BaseCallbackManager"]
  d3ca4cfe_17d5_f870_d94f_bf0e7595143d -->|defined in| 24bc19d6_d1f4_bd59_6fc4_6ef5b08a4d41
  dc60ed36_69b4_1b87_0566_ea201ad6cd90["set_handler()"]
  dc60ed36_69b4_1b87_0566_ea201ad6cd90 -->|calls| d3ca4cfe_17d5_f870_d94f_bf0e7595143d
  14741891_16ac_1712_0f46_0c996f33bf5f["add_handler()"]
  d3ca4cfe_17d5_f870_d94f_bf0e7595143d -->|calls| 14741891_16ac_1712_0f46_0c996f33bf5f
  style d3ca4cfe_17d5_f870_d94f_bf0e7595143d fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/callbacks/base.py lines 1032–1046

    def set_handlers(
        self,
        handlers: list[BaseCallbackHandler],
        inherit: bool = True,  # noqa: FBT001,FBT002
    ) -> None:
        """Set handlers as the only handlers on the callback manager.

        Args:
            handlers: The handlers to set.
            inherit: Whether to inherit the handlers.
        """
        self.handlers = []
        self.inheritable_handlers = []
        for handler in handlers:
            self.add_handler(handler, inherit=inherit)