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 1

Entity Profile

LangChainCore→ Runnables→ stream() — langchain Function Reference

Dependency Diagram

graph TD
  46c65f5f_c86a_f3da_aae3_1eb4fbec5cf8["stream()"]
  c4bf8d59_69f9_f8e5_efba_837c20df2360["RunnableSequence"]
  46c65f5f_c86a_f3da_aae3_1eb4fbec5cf8 -->|defined in| c4bf8d59_69f9_f8e5_efba_837c20df2360
  98b849a3_219d_3646_6770_861e1bddb28f["stream()"]
  98b849a3_219d_3646_6770_861e1bddb28f -->|calls| 46c65f5f_c86a_f3da_aae3_1eb4fbec5cf8
  f619bab3_d5a5_2218_b91d_c55d57073715["transform()"]
  46c65f5f_c86a_f3da_aae3_1eb4fbec5cf8 -->|calls| f619bab3_d5a5_2218_b91d_c55d57073715
  98b849a3_219d_3646_6770_861e1bddb28f["stream()"]
  46c65f5f_c86a_f3da_aae3_1eb4fbec5cf8 -->|calls| 98b849a3_219d_3646_6770_861e1bddb28f
  style 46c65f5f_c86a_f3da_aae3_1eb4fbec5cf8 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/runnables/base.py lines 3528–3534

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