__getattr__() — langchain Function Reference

Source Code

libs/langchain/langchain_classic/tools/__init__.py lines 52–72

def __getattr__(name: str) -> Any:
    if name == "PythonAstREPLTool":
        return _import_python_tool_python_ast_repl_tool()
    if name == "PythonREPLTool":
        return _import_python_tool_python_repl_tool()
    from langchain_community import tools

    # If not in interactive env, raise warning.
    if not is_interactive_env():
        warnings.warn(
            "Importing tools from langchain is deprecated. Importing from "
            "langchain will no longer be supported as of langchain==0.2.0. "
            "Please import from langchain-community instead:\n\n"
            f"`from langchain_community.tools import {name}`.\n\n"
            "To install langchain-community run "
            "`pip install -U langchain-community`.",
            stacklevel=2,
            category=LangChainDeprecationWarning,
        )

    return getattr(tools, name)