_MisAnnotatedTool Class — langchain Architecture

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

Class python

Entity Profile

Dependency Diagram

graph TD
  9721cfe7_bdcc_12b8_f946_d5919c09943c["_MisAnnotatedTool"]
  18e85ff8_9a5d_f800_f722_027398dc89e7["BaseTool"]
  9721cfe7_bdcc_12b8_f946_d5919c09943c -->|extends| 18e85ff8_9a5d_f800_f722_027398dc89e7
  8e7836ae_e72c_f670_72a5_4ca6d46e3555["test_tools.py"]
  9721cfe7_bdcc_12b8_f946_d5919c09943c -->|defined in| 8e7836ae_e72c_f670_72a5_4ca6d46e3555
  7a921b84_26ef_fcb3_cfbb_5a88e428b55d["_run()"]
  9721cfe7_bdcc_12b8_f946_d5919c09943c -->|method| 7a921b84_26ef_fcb3_cfbb_5a88e428b55d
  cb3f4171_db66_93f0_634e_6cd9a34c8b89["_arun()"]
  9721cfe7_bdcc_12b8_f946_d5919c09943c -->|method| cb3f4171_db66_93f0_634e_6cd9a34c8b89

Relationship Graph

Source Code

libs/core/tests/unit_tests/test_tools.py lines 144–157

        class _MisAnnotatedTool(BaseTool):
            name: str = "structured_api"
            # This would silently be ignored without the custom metaclass
            args_schema: BaseModel = _MockSchema  # type: ignore[assignment]
            description: str = "A Structured Tool"

            @override
            def _run(self, *, arg1: int, arg2: bool, arg3: dict | None = None) -> str:
                return f"{arg1} {arg2} {arg3}"

            async def _arun(
                self, *, arg1: int, arg2: bool, arg3: dict | None = None
            ) -> str:
                raise NotImplementedError