batch() — langchain Function Reference

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

Function python LangChainCore Runnables calls 2 called by 1

Entity Profile

LangChainCore→ Runnables→ batch() — langchain Function Reference

Dependency Diagram

graph TD
  6623b4f5_0477_1322_996c_6a66715eb7c1["batch()"]
  9a777f9f_fc96_a4c7_ebd5_632b655b53ae["RunnableBindingBase"]
  6623b4f5_0477_1322_996c_6a66715eb7c1 -->|defined in| 9a777f9f_fc96_a4c7_ebd5_632b655b53ae
  2826dfcf_5024_bd4d_0268_8f909fbbae0c["batch()"]
  2826dfcf_5024_bd4d_0268_8f909fbbae0c -->|calls| 6623b4f5_0477_1322_996c_6a66715eb7c1
  ff1cc135_559f_c237_6539_8d8ba268c8e8["_merge_configs()"]
  6623b4f5_0477_1322_996c_6a66715eb7c1 -->|calls| ff1cc135_559f_c237_6539_8d8ba268c8e8
  2826dfcf_5024_bd4d_0268_8f909fbbae0c["batch()"]
  6623b4f5_0477_1322_996c_6a66715eb7c1 -->|calls| 2826dfcf_5024_bd4d_0268_8f909fbbae0c
  style 6623b4f5_0477_1322_996c_6a66715eb7c1 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/runnables/base.py lines 5715–5735

    def batch(
        self,
        inputs: list[Input],
        config: RunnableConfig | list[RunnableConfig] | None = None,
        *,
        return_exceptions: bool = False,
        **kwargs: Any | None,
    ) -> list[Output]:
        if isinstance(config, list):
            configs = cast(
                "list[RunnableConfig]",
                [self._merge_configs(conf) for conf in config],
            )
        else:
            configs = [self._merge_configs(config) for _ in range(len(inputs))]
        return self.bound.batch(
            inputs,
            configs,
            return_exceptions=return_exceptions,
            **{**self.kwargs, **kwargs},
        )