How to use the pynput._util.win32.INPUT function in pynput

def _scroll(self, dx, dy):
        if dy:
            SendInput(
                1,
                ctypes.byref(INPUT(
                    type=INPUT.MOUSE,
                    value=INPUT_union(
                        mi=MOUSEINPUT(
                            dwFlags=MOUSEINPUT.WHEEL,
                            mouseData=int(dy))))),
                ctypes.sizeof(INPUT))

        if dx:
            SendInput(
                1,
                ctypes.byref(INPUT(
                    type=INPUT.MOUSE,
                    value=INPUT_union(
                        mi=MOUSEINPUT(
                            dwFlags=MOUSEINPUT.HWHEEL,
                            mouseData=int(dx))))),
                ctypes.sizeof(INPUT))

        if dx or dy:
            px, py = self._position_get()
            self._emit('on_scroll', px, py, dx, dy)

def _press(self, button):
        SendInput(
            1,
            ctypes.byref(INPUT(
                type=INPUT.MOUSE,
                value=INPUT_union(
                    mi=MOUSEINPUT(
                        dwFlags=button.value[1])))),
            ctypes.sizeof(INPUT))

def set_pos(x, y):
    x = 1 + int(x * 65536./Wd)
    y = 1 + int(y * 65536./Hd)
    extra = ctypes.c_ulong(0)
    ii_ = pynput._util.win32.INPUT_union()
    ii_.mi = pynput._util.win32.MOUSEINPUT(x, y, 0, (0x0001 | 0x8000), 0, ctypes.cast(ctypes.pointer(extra), ctypes.c_void_p))
    command=pynput._util.win32.INPUT(ctypes.c_ulong(0), ii_)
    SendInput(1, ctypes.pointer(command), ctypes.sizeof(command))
if __name__ == "__main__":

def set_pos(x, y):
    x = 1 + int(x * 65536./1920.)
    y = 1 + int(y * 65536./1080.)
    extra = ctypes.c_ulong(0)
    ii_ = pynput._util.win32.INPUT_union()
    ii_.mi = pynput._util.win32.MOUSEINPUT(x, y, 0, (0x0001 | 0x8000), 0, ctypes.cast(ctypes.pointer(extra), ctypes.c_void_p))
    command=pynput._util.win32.INPUT(ctypes.c_ulong(0), ii_)
    SendInput(1, ctypes.pointer(command), ctypes.sizeof(command))
if __name__ == "__main__":

def _handle(self, key, is_press):
        SendInput(
            1,
            ctypes.byref(INPUT(
                type=INPUT.KEYBOARD,
                value=INPUT_union(
                    ki=KEYBDINPUT(**key._parameters(is_press))))),
            ctypes.sizeof(INPUT))

def _handle(self, key, is_press):
        SendInput(
            1,
            ctypes.byref(INPUT(
                type=INPUT.KEYBOARD,
                value=INPUT_union(
                    ki=KEYBDINPUT(**key._parameters(is_press))))),
            ctypes.sizeof(INPUT))

def _release(self, button):
        SendInput(
            1,
            ctypes.byref(INPUT(
                type=INPUT.MOUSE,
                value=INPUT_union(
                    mi=MOUSEINPUT(
                        dwFlags=button.value[0])))),
            ctypes.sizeof(INPUT))