Method __reduce_ex__

crates/stdlib/src/array.rs:1126–1147

(
            zelf: &Py<Self>,
            proto: usize,
            vm: &VirtualMachine,
        )

        #[pymethod]
        fn __reduce_ex__(
            zelf: &Py<Self>,
            proto: usize,
            vm: &VirtualMachine,
        ) -> PyResult<(PyObjectRef, PyTupleRef, Option<PyDictRef>)> {
            if proto < 3 {
                return Self::__reduce__(zelf, vm);
            }
            let array = zelf.read();
            let cls = zelf.class().to_owned();
            let typecode = vm.ctx.new_str(array.typecode_str());
            let bytes = vm.ctx.new_bytes(array.get_bytes().to_vec());
            let code = MachineFormatCode::from_typecode(array.typecode()).unwrap();
            let code = PyInt::from(u8::from(code)).into_pyobject(vm);
            let module = vm.import("array", 0)?;
            let func = module.get_attr("_array_reconstructor", vm)?;
            Ok((
                func,
                vm.new_tuple((cls, typecode, code, bytes)),
                zelf.as_object().dict(),
            ))
        }

        #[pymethod]
        fn __reduce__(