_on_run_update() — langchain Function Reference

Architecture documentation for the _on_run_update() function in root_listeners.py from the langchain codebase.

Function python Observability Tracers calls 1 called by 1

Entity Profile

Observability→ Tracers→ _on_run_update() — langchain Function Reference

Dependency Diagram

graph TD
  4a7513c5_6cf9_561d_93c4_5c59b36c9b9e["_on_run_update()"]
  89d8d69c_785e_e71a_498a_04879f19121c["RootListenersTracer"]
  4a7513c5_6cf9_561d_93c4_5c59b36c9b9e -->|defined in| 89d8d69c_785e_e71a_498a_04879f19121c
  e4e585e7_0325_d2c6_deb7_0dd44cdf3df6["_on_run_update()"]
  e4e585e7_0325_d2c6_deb7_0dd44cdf3df6 -->|calls| 4a7513c5_6cf9_561d_93c4_5c59b36c9b9e
  e4e585e7_0325_d2c6_deb7_0dd44cdf3df6["_on_run_update()"]
  4a7513c5_6cf9_561d_93c4_5c59b36c9b9e -->|calls| e4e585e7_0325_d2c6_deb7_0dd44cdf3df6
  style 4a7513c5_6cf9_561d_93c4_5c59b36c9b9e fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/tracers/root_listeners.py lines 67–75

    def _on_run_update(self, run: Run) -> None:
        if run.id != self.root_id:
            return

        if run.error is None:
            if self._arg_on_end is not None:
                call_func_with_variable_args(self._arg_on_end, run, self.config)
        elif self._arg_on_error is not None:
            call_func_with_variable_args(self._arg_on_error, run, self.config)