on_retry() — langchain Function Reference

Architecture documentation for the on_retry() function in manager.py from the langchain codebase.

Function python Observability CallbackManager calls 2 called by 1

Entity Profile

Observability→ CallbackManager→ on_retry() — langchain Function Reference

Dependency Diagram

graph TD
  59c3fe59_2154_bc88_4a8b_47bb9167ce24["on_retry()"]
  4a638922_ac9e_46d0_c8d9_9547651b2e35["RunManager"]
  59c3fe59_2154_bc88_4a8b_47bb9167ce24 -->|defined in| 4a638922_ac9e_46d0_c8d9_9547651b2e35
  7a92ed87_11d5_d658_c5b1_05200af7fc97["on_retry()"]
  7a92ed87_11d5_d658_c5b1_05200af7fc97 -->|calls| 59c3fe59_2154_bc88_4a8b_47bb9167ce24
  7a92ed87_11d5_d658_c5b1_05200af7fc97["on_retry()"]
  59c3fe59_2154_bc88_4a8b_47bb9167ce24 -->|calls| 7a92ed87_11d5_d658_c5b1_05200af7fc97
  8964b4e9_440e_18a7_2a15_a54a0b2b733c["handle_event()"]
  59c3fe59_2154_bc88_4a8b_47bb9167ce24 -->|calls| 8964b4e9_440e_18a7_2a15_a54a0b2b733c
  style 59c3fe59_2154_bc88_4a8b_47bb9167ce24 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/callbacks/manager.py lines 540–563

    def on_retry(
        self,
        retry_state: RetryCallState,
        **kwargs: Any,
    ) -> None:
        """Run when a retry is received.

        Args:
            retry_state: The retry state.
            **kwargs: Additional keyword arguments.

        """
        if not self.handlers:
            return
        handle_event(
            self.handlers,
            "on_retry",
            "ignore_retry",
            retry_state,
            run_id=self.run_id,
            parent_run_id=self.parent_run_id,
            tags=self.tags,
            **kwargs,
        )