on_retriever_end() — langchain Function Reference

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

Function python Observability TelemetryUtilities calls 1 called by 1

Entity Profile

Observability→ TelemetryUtilities→ on_retriever_end() — langchain Function Reference

Dependency Diagram

graph TD
  e7bdadc8_9062_d49b_bb73_387a44374d0e["on_retriever_end()"]
  64513429_d001_87b1_5f19_cc17a3f3577b["AsyncCallbackHandler"]
  e7bdadc8_9062_d49b_bb73_387a44374d0e -->|defined in| 64513429_d001_87b1_5f19_cc17a3f3577b
  06bdd944_2386_2986_6468_994faff2ef7f["on_retriever_end()"]
  06bdd944_2386_2986_6468_994faff2ef7f -->|calls| e7bdadc8_9062_d49b_bb73_387a44374d0e
  06bdd944_2386_2986_6468_994faff2ef7f["on_retriever_end()"]
  e7bdadc8_9062_d49b_bb73_387a44374d0e -->|calls| 06bdd944_2386_2986_6468_994faff2ef7f
  style e7bdadc8_9062_d49b_bb73_387a44374d0e fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/callbacks/base.py lines 836–853

    async def on_retriever_end(
        self,
        documents: Sequence[Document],
        *,
        run_id: UUID,
        parent_run_id: UUID | None = None,
        tags: list[str] | None = None,
        **kwargs: Any,
    ) -> None:
        """Run on the retriever end.

        Args:
            documents: The documents retrieved.
            run_id: The ID of the current run.
            parent_run_id: The ID of the parent run.
            tags: The tags.
            **kwargs: Additional keyword arguments.
        """