NoToolsMiddleware Class — langchain Architecture

Architecture documentation for the NoToolsMiddleware class in test_tools.py from the langchain codebase.

Class python

Entity Profile

Dependency Diagram

graph TD
  0132f374_78db_0917_1b52_3f6b40d5c1fa["NoToolsMiddleware"]
  949c7cf4_56fe_f3b4_cd89_9631a7e9cb1e["AgentMiddleware"]
  0132f374_78db_0917_1b52_3f6b40d5c1fa -->|extends| 949c7cf4_56fe_f3b4_cd89_9631a7e9cb1e
  5e05f5a6_3c9a_6b02_08a5_596bf1a6469a["test_tools.py"]
  0132f374_78db_0917_1b52_3f6b40d5c1fa -->|defined in| 5e05f5a6_3c9a_6b02_08a5_596bf1a6469a
  21fa2ed2_0fa9_8729_0985_e5bf190f89a5["wrap_model_call()"]
  0132f374_78db_0917_1b52_3f6b40d5c1fa -->|method| 21fa2ed2_0fa9_8729_0985_e5bf190f89a5

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_tools.py lines 223–231

    class NoToolsMiddleware(AgentMiddleware):
        def wrap_model_call(
            self,
            request: ModelRequest,
            handler: Callable[[ModelRequest], ModelResponse],
        ) -> ModelCallResult:
            # Remove all tools
            request = request.override(tools=[])
            return handler(request)