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_astream() — langchain Function Reference

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

Function python LangChainCore LanguageModelBase called by 1

Entity Profile

Dependency Diagram

graph TD
  9d4ca0da_5964_edaf_8d1d_fff4bcffbe96["_astream()"]
  a665c4a9_c39b_dae5_6804_3af3b58ecdfc["ModelWithAsyncStream"]
  9d4ca0da_5964_edaf_8d1d_fff4bcffbe96 -->|defined in| a665c4a9_c39b_dae5_6804_3af3b58ecdfc
  4751d0c5_d82f_367c_e1e4_20188bbcd56c["test_astream_implementation_uses_astream()"]
  4751d0c5_d82f_367c_e1e4_20188bbcd56c -->|calls| 9d4ca0da_5964_edaf_8d1d_fff4bcffbe96
  style 9d4ca0da_5964_edaf_8d1d_fff4bcffbe96 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/language_models/llms/test_base.py lines 217–226

        async def _astream(
            self,
            prompt: str,
            stop: list[str] | None = None,
            run_manager: AsyncCallbackManagerForLLMRun | None = None,
            **kwargs: Any,
        ) -> AsyncIterator[GenerationChunk]:
            """Stream the output of the model."""
            yield GenerationChunk(text="a")
            yield GenerationChunk(text="b")

Domain

Subdomains

Defined In

Called By

Source

Frequently Asked Questions

What does _astream() do?
_astream() is a function in the langchain codebase, defined in libs/core/tests/unit_tests/language_models/llms/test_base.py.
Where is _astream() defined?
_astream() is defined in libs/core/tests/unit_tests/language_models/llms/test_base.py at line 217.
What calls _astream()?
_astream() is called by 1 function(s): test_astream_implementation_uses_astream.

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