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UppercaseMiddleware Class — langchain Architecture

Architecture documentation for the UppercaseMiddleware class in test_wrap_model_call.py from the langchain codebase.

Class python

Entity Profile

Dependency Diagram

graph TD
  a56e1dd3_fc9e_6fed_9cd4_541f4db010f4["UppercaseMiddleware"]
  949c7cf4_56fe_f3b4_cd89_9631a7e9cb1e["AgentMiddleware"]
  a56e1dd3_fc9e_6fed_9cd4_541f4db010f4 -->|extends| 949c7cf4_56fe_f3b4_cd89_9631a7e9cb1e
  573473e5_eb93_a7d7_84ba_c975071c09af["test_wrap_model_call.py"]
  a56e1dd3_fc9e_6fed_9cd4_541f4db010f4 -->|defined in| 573473e5_eb93_a7d7_84ba_c975071c09af
  743db915_e415_8bff_5b06_b505219bf227["wrap_model_call()"]
  a56e1dd3_fc9e_6fed_9cd4_541f4db010f4 -->|method| 743db915_e415_8bff_5b06_b505219bf227

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_wrap_model_call.py lines 302–312

        class UppercaseMiddleware(AgentMiddleware):
            def wrap_model_call(
                self,
                request: ModelRequest,
                handler: Callable[[ModelRequest], ModelResponse],
            ) -> ModelCallResult:
                result = handler(request)
                # result is ModelResponse, extract AIMessage from it
                ai_message = result.result[0]
                assert isinstance(ai_message.content, str)
                return AIMessage(content=ai_message.content.upper())

Defined In

Extends

Source

Frequently Asked Questions

What is the UppercaseMiddleware class?
UppercaseMiddleware is a class in the langchain codebase, defined in libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_wrap_model_call.py.
Where is UppercaseMiddleware defined?
UppercaseMiddleware is defined in libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_wrap_model_call.py at line 302.
What does UppercaseMiddleware extend?
UppercaseMiddleware extends AgentMiddleware.

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