stream() — langchain Function Reference

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

Function python LangChainCore Runnables calls 2 called by 2

Entity Profile

LangChainCore→ Runnables→ stream() — langchain Function Reference

Dependency Diagram

graph TD
  98b849a3_219d_3646_6770_861e1bddb28f["stream()"]
  c6a370e4_a02a_c56a_38eb_7ca734dcbfea["RunnableLambda"]
  98b849a3_219d_3646_6770_861e1bddb28f -->|defined in| c6a370e4_a02a_c56a_38eb_7ca734dcbfea
  46c65f5f_c86a_f3da_aae3_1eb4fbec5cf8["stream()"]
  46c65f5f_c86a_f3da_aae3_1eb4fbec5cf8 -->|calls| 98b849a3_219d_3646_6770_861e1bddb28f
  c67e8e45_1bd5_b0a5_81a0_565db37b3f07["stream()"]
  c67e8e45_1bd5_b0a5_81a0_565db37b3f07 -->|calls| 98b849a3_219d_3646_6770_861e1bddb28f
  b058d203_2f29_f0e0_63cd_7458a119791a["transform()"]
  98b849a3_219d_3646_6770_861e1bddb28f -->|calls| b058d203_2f29_f0e0_63cd_7458a119791a
  46c65f5f_c86a_f3da_aae3_1eb4fbec5cf8["stream()"]
  98b849a3_219d_3646_6770_861e1bddb28f -->|calls| 46c65f5f_c86a_f3da_aae3_1eb4fbec5cf8
  style 98b849a3_219d_3646_6770_861e1bddb28f fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/runnables/base.py lines 5136–5142

    def stream(
        self,
        input: Input,
        config: RunnableConfig | None = None,
        **kwargs: Any | None,
    ) -> Iterator[Output]:
        return self.transform(iter([input]), config, **kwargs)