transform() — langchain Function Reference

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

Function python LangChainCore Runnables calls 2 called by 2

Entity Profile

LangChainCore→ Runnables→ transform() — langchain Function Reference

Dependency Diagram

graph TD
  b19bb5c5_7d06_0da1_c670_6107a6c35950["transform()"]
  17599172_8889_afc6_2237_4429f3439071["RunnableParallel"]
  b19bb5c5_7d06_0da1_c670_6107a6c35950 -->|defined in| 17599172_8889_afc6_2237_4429f3439071
  c67e8e45_1bd5_b0a5_81a0_565db37b3f07["stream()"]
  c67e8e45_1bd5_b0a5_81a0_565db37b3f07 -->|calls| b19bb5c5_7d06_0da1_c670_6107a6c35950
  c0e0035e_3d41_1681_e722_9c0a4ca8826b["transform()"]
  c0e0035e_3d41_1681_e722_9c0a4ca8826b -->|calls| b19bb5c5_7d06_0da1_c670_6107a6c35950
  3b190320_b896_da9c_12ee_4d17ddfcf59e["_transform_stream_with_config()"]
  b19bb5c5_7d06_0da1_c670_6107a6c35950 -->|calls| 3b190320_b896_da9c_12ee_4d17ddfcf59e
  c0e0035e_3d41_1681_e722_9c0a4ca8826b["transform()"]
  b19bb5c5_7d06_0da1_c670_6107a6c35950 -->|calls| c0e0035e_3d41_1681_e722_9c0a4ca8826b
  style b19bb5c5_7d06_0da1_c670_6107a6c35950 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/runnables/base.py lines 3996–4004

    def transform(
        self,
        input: Iterator[Input],
        config: RunnableConfig | None = None,
        **kwargs: Any,
    ) -> Iterator[dict[str, Any]]:
        yield from self._transform_stream_with_config(
            input, self._transform, config, **kwargs
        )