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SummaryMiddleware Class — langchain Architecture

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

Class python

Entity Profile

Dependency Diagram

graph TD
  c72dba95_317d_ce0d_906c_780a873f5128["SummaryMiddleware"]
  949c7cf4_56fe_f3b4_cd89_9631a7e9cb1e["AgentMiddleware"]
  c72dba95_317d_ce0d_906c_780a873f5128 -->|extends| 949c7cf4_56fe_f3b4_cd89_9631a7e9cb1e
  08361e76_a995_1e57_f200_e292474e2f00["test_wrap_model_call_state_update.py"]
  c72dba95_317d_ce0d_906c_780a873f5128 -->|defined in| 08361e76_a995_1e57_f200_e292474e2f00
  9f4c7fe1_2bd4_1ccf_a1e8_5bb57f3d2baf["wrap_model_call()"]
  c72dba95_317d_ce0d_906c_780a873f5128 -->|method| 9f4c7fe1_2bd4_1ccf_a1e8_5bb57f3d2baf

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_wrap_model_call_state_update.py lines 154–166

        class SummaryMiddleware(AgentMiddleware):
            state_schema = MyState  # type: ignore[assignment]

            def wrap_model_call(
                self,
                request: ModelRequest,
                handler: Callable[[ModelRequest], ModelResponse],
            ) -> ExtendedModelResponse:
                response = handler(request)
                return ExtendedModelResponse(
                    model_response=response,
                    command=Command(update={"summary": "conversation summarized"}),
                )

Defined In

Extends

Source

Frequently Asked Questions

What is the SummaryMiddleware class?
SummaryMiddleware 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 SummaryMiddleware defined?
SummaryMiddleware is defined in libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_wrap_model_call_state_update.py at line 154.
What does SummaryMiddleware extend?
SummaryMiddleware extends AgentMiddleware.

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