Function getsizeof

crates/vm/src/stdlib/sys.rs:965–974

(args: GetsizeofArgs, vm: &VirtualMachine)

    #[pyfunction]
    fn getsizeof(args: GetsizeofArgs, vm: &VirtualMachine) -> PyResult {
        let sizeof = || -> PyResult<usize> {
            let res = vm.call_special_method(&args.obj, identifier!(vm, __sizeof__), ())?;
            let res = res.try_index(vm)?.try_to_primitive::<usize>(vm)?;
            Ok(res + core::mem::size_of::<PyObject>())
        };
        sizeof()
            .map(|x| vm.ctx.new_int(x).into())
            .or_else(|err| args.default.ok_or(err))
    }

    #[pyfunction]
    fn getfilesystemencoding(vm: &VirtualMachine) -> PyStrRef {