on_chain_error() — langchain Function Reference

Architecture documentation for the on_chain_error() function in progress.py from the langchain codebase.

Function python LangChainCore MessageInterface calls 1

Entity Profile

LangChainCore→ MessageInterface→ on_chain_error() — langchain Function Reference

Dependency Diagram

graph TD
  c125186e_0bc0_6835_fae1_362c9061b699["on_chain_error()"]
  8f7245e3_8bd3_bce9_4868_73ea9b0cf467["ProgressBarCallback"]
  c125186e_0bc0_6835_fae1_362c9061b699 -->|defined in| 8f7245e3_8bd3_bce9_4868_73ea9b0cf467
  d3fbccba_a17d_4737_e36f_b0c86b86e89e["increment()"]
  c125186e_0bc0_6835_fae1_362c9061b699 -->|calls| d3fbccba_a17d_4737_e36f_b0c86b86e89e
  style c125186e_0bc0_6835_fae1_362c9061b699 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/smith/evaluation/progress.py lines 52–61

    def on_chain_error(
        self,
        error: BaseException,
        *,
        run_id: UUID,
        parent_run_id: UUID | None = None,
        **kwargs: Any,
    ) -> Any:
        if parent_run_id is None:
            self.increment()