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calculator() — langchain Function Reference

Architecture documentation for the calculator() function in test_tool_emulator.py from the langchain codebase.

Function python LangChainCore ApiManagement

Entity Profile

Dependency Diagram

graph TD
  68dc64e7_759b_967a_b860_4d9a3b6c775d["calculator()"]
  5b00cf78_0f18_c9ad_fc5f_85cc0378daf1["test_tool_emulator.py"]
  68dc64e7_759b_967a_b860_4d9a3b6c775d -->|defined in| 5b00cf78_0f18_c9ad_fc5f_85cc0378daf1
  style 68dc64e7_759b_967a_b860_4d9a3b6c775d fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_tool_emulator.py lines 36–39

def calculator(expression: str) -> str:
    """Perform mathematical calculations."""
    # This tool executes normally (not emulated)
    return f"Result: {eval(expression)}"  # noqa: S307

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does calculator() do?
calculator() is a function in the langchain codebase, defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_tool_emulator.py.
Where is calculator() defined?
calculator() is defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_tool_emulator.py at line 36.

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