astream() — langchain Function Reference

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

Function python LangChainCore LanguageModelBase calls 1

Entity Profile

LangChainCore→ LanguageModelBase→ astream() — langchain Function Reference

Dependency Diagram

graph TD
  b95a8096_394d_9f72_0ff2_64aace7fc23c["astream()"]
  70048a7c_06ac_54dc_f2cc_70cbfa8bcbc9["_ConfigurableModel"]
  b95a8096_394d_9f72_0ff2_64aace7fc23c -->|defined in| 70048a7c_06ac_54dc_f2cc_70cbfa8bcbc9
  1ec96341_0cad_d4df_0b5f_401dfd4ccd5a["_model()"]
  b95a8096_394d_9f72_0ff2_64aace7fc23c -->|calls| 1ec96341_0cad_d4df_0b5f_401dfd4ccd5a
  style b95a8096_394d_9f72_0ff2_64aace7fc23c fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/chat_models/base.py lines 794–801

    async def astream(
        self,
        input: LanguageModelInput,
        config: RunnableConfig | None = None,
        **kwargs: Any | None,
    ) -> AsyncIterator[Any]:
        async for x in self._model(config).astream(input, config=config, **kwargs):
            yield x