_astream() — langchain Function Reference

Architecture documentation for the _astream() function in test_base.py from the langchain codebase.

Function python LangChainCore LanguageModelBase calls 1 called by 1

Entity Profile

LangChainCore→ LanguageModelBase→ _astream() — langchain Function Reference

Dependency Diagram

graph TD
  eacfcca9_3369_1ec7_9552_9fa5fa1ec8a3["_astream()"]
  dbbc1717_f560_457c_a467_427431eb36a0["_AnotherFakeChatModel"]
  eacfcca9_3369_1ec7_9552_9fa5fa1ec8a3 -->|defined in| dbbc1717_f560_457c_a467_427431eb36a0
  360a3b9c_a247_3d48_cdac_c5ef28482267["_astream()"]
  360a3b9c_a247_3d48_cdac_c5ef28482267 -->|calls| eacfcca9_3369_1ec7_9552_9fa5fa1ec8a3
  360a3b9c_a247_3d48_cdac_c5ef28482267["_astream()"]
  eacfcca9_3369_1ec7_9552_9fa5fa1ec8a3 -->|calls| 360a3b9c_a247_3d48_cdac_c5ef28482267
  style eacfcca9_3369_1ec7_9552_9fa5fa1ec8a3 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/language_models/chat_models/test_base.py lines 956–962

    async def _astream(
        self,
        *_args: Any,
        **_kwargs: Any,
    ) -> AsyncIterator[ChatGenerationChunk]:
        for chunk in self.chunks:
            yield ChatGenerationChunk(message=chunk)