transform() — langchain Function Reference

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

Function python LangChainCore Runnables calls 1 called by 1

Entity Profile

LangChainCore→ Runnables→ transform() — langchain Function Reference

Dependency Diagram

graph TD
  fe63d77f_0665_55ba_e4bf_6bb86b5251c0["transform()"]
  8b44d2a6_6c89_4ea1_b8c7_64e60123bbbe["RunnablePick"]
  fe63d77f_0665_55ba_e4bf_6bb86b5251c0 -->|defined in| 8b44d2a6_6c89_4ea1_b8c7_64e60123bbbe
  d947aa85_3ece_1be3_71e0_d9e8f04de78b["stream()"]
  d947aa85_3ece_1be3_71e0_d9e8f04de78b -->|calls| fe63d77f_0665_55ba_e4bf_6bb86b5251c0
  6b634a0f_8373_1838_7f85_ec4585108419["transform()"]
  fe63d77f_0665_55ba_e4bf_6bb86b5251c0 -->|calls| 6b634a0f_8373_1838_7f85_ec4585108419
  style fe63d77f_0665_55ba_e4bf_6bb86b5251c0 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/runnables/passthrough.py lines 790–798

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