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AsyncAddMiddleware Class — langchain Architecture

Architecture documentation for the AsyncAddMiddleware class in test_wrap_model_call_state_update.py from the langchain codebase.

Class python

Entity Profile

Dependency Diagram

graph TD
  cb104ce1_a3f1_7f86_c82e_5471d3cb6af8["AsyncAddMiddleware"]
  949c7cf4_56fe_f3b4_cd89_9631a7e9cb1e["AgentMiddleware"]
  cb104ce1_a3f1_7f86_c82e_5471d3cb6af8 -->|extends| 949c7cf4_56fe_f3b4_cd89_9631a7e9cb1e
  08361e76_a995_1e57_f200_e292474e2f00["test_wrap_model_call_state_update.py"]
  cb104ce1_a3f1_7f86_c82e_5471d3cb6af8 -->|defined in| 08361e76_a995_1e57_f200_e292474e2f00
  51687d1d_2aa5_1a8f_9622_1f572a1fb956["awrap_model_call()"]
  cb104ce1_a3f1_7f86_c82e_5471d3cb6af8 -->|method| 51687d1d_2aa5_1a8f_9622_1f572a1fb956

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_wrap_model_call_state_update.py lines 256–267

        class AsyncAddMiddleware(AgentMiddleware):
            async def awrap_model_call(
                self,
                request: ModelRequest,
                handler: Callable[[ModelRequest], Awaitable[ModelResponse]],
            ) -> ExtendedModelResponse:
                response = await handler(request)
                custom = HumanMessage(content="Async custom", id="async-custom")
                return ExtendedModelResponse(
                    model_response=response,
                    command=Command(update={"messages": [custom]}),
                )

Defined In

Extends

Source

Frequently Asked Questions

What is the AsyncAddMiddleware class?
AsyncAddMiddleware is a class in the langchain codebase, defined in libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_wrap_model_call_state_update.py.
Where is AsyncAddMiddleware defined?
AsyncAddMiddleware is defined in libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_wrap_model_call_state_update.py at line 256.
What does AsyncAddMiddleware extend?
AsyncAddMiddleware extends AgentMiddleware.

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