Function exit

crates/vm/src/stdlib/sys.rs:796–805

(code: OptionalArg<PyObjectRef>, vm: &VirtualMachine)

    #[pyfunction]
    fn exit(code: OptionalArg<PyObjectRef>, vm: &VirtualMachine) -> PyResult {
        let status = code.unwrap_or_none(vm);
        let args = if let Some(status_tuple) = status.downcast_ref::<PyTuple>() {
            status_tuple.as_slice().to_vec()
        } else {
            vec![status]
        };
        let exc = vm.invoke_exception(vm.ctx.exceptions.system_exit.to_owned(), args)?;
        Err(exc)
    }

    #[pyfunction]
    fn call_tracing(func: PyObjectRef, args: PyTupleRef, vm: &VirtualMachine) -> PyResult {