pip install win10toast

python notify.py

        message_map = {WM_DESTROY: self.on_destroy, }
        # 注册Window
        self.wc = WNDCLASS()
        self.hinst = self.wc.hInstance = GetModuleHandle(None)
        self.wc.lpszClassName = str("PythonTaskbar") # 定义该窗口结构的名称
        self.wc.lpfnWndProc = message_map
        try:
            self.classAtom = RegisterClass(self.wc)
        except:
            pass 
        # Window格式
        style = WS_OVERLAPPED | WS_SYSMENU
        # 创建Window
        self.hwnd = CreateWindow(self.classAtom, "Taskbar", style,
                                 0, 0, CW_USEDEFAULT,
                                 CW_USEDEFAULT,
                                 0, 0, self.hinst, None)
        UpdateWindow(self.hwnd)

        # 图标
        if icon_path is not None:
            # 获取图标地址
            icon_path = path.realpath(icon_path)
        else:
            icon_path = resource_filename(Requirement.parse("win10toast"), "win10toast/data/python.ico")
        # 加载格式
        icon_flags = LR_LOADFROMFILE | LR_DEFAULTSIZE
        try:
            hicon = LoadImage(self.hinst, icon_path, IMAGE_ICON, 0, 0, icon_flags)
        except Exception as e:
            logging.error("Some trouble with the icon ({}): {}"
                          .format(icon_path, e))
            hicon = LoadIcon(0, IDI_APPLICATION)

        # 任务栏图标
        flags = NIF_ICON | NIF_MESSAGE | NIF_TIP
        nid = (self.hwnd, 0, flags, WM_USER + 20, hicon, "Tooltip")
        Shell_NotifyIcon(NIM_ADD, nid)
        Shell_NotifyIcon(NIM_MODIFY, (self.hwnd, 0, NIF_INFO, WM_USER + 20, hicon, "Balloon Tooltip", msg, 200, title, NIIF_ICON_MASK))
        
        # 等待一会后销毁
        sleep(duration)
        DestroyWindow(self.hwnd)
        UnregisterClass(self.wc.lpszClassName, None)

keyboard = ctypes.WinDLL("User32.dll")
VK_NUMLOCK = 0x90
VK_CAPITAL = 0x14
def get_capslock_state():
    """Returns the current Caps Lock State(On/Off)"""
    return "Caps Lock On" if keyboard.GetKeyState(VK_CAPITAL) else "Caps Lock Off"


def get_numlock_state():
    """Returns The current Num Lock State(On/Off)"""
    return "Num Lock On" if keyboard.GetKeyState(VK_NUMLOCK) else "Num Lock Off"

caps_curr = get_capslock_state()
num_curr = get_numlock_state()

while True:
    caps_change = get_capslock_state()
    num_change = get_numlock_state()

    if caps_curr != caps_change:
        if caps_change == "Caps Lock On":
            pop_up("Caps Lock On", "CapsLock_On.ico")
        else:
            pop_up("Caps Lock Off", "CapsLock_Off.ico")
        caps_curr = caps_change
        time.sleep(0.1)

    if num_curr != num_change:
        if num_change == "Num Lock On":
            pop_up("Num Lock On", "NumLock_On.ico")
        else:
            pop_up("Num Lock Off", "NumLock_Off.ico")
        num_curr = num_change
    time.sleep(0.2)

def pop_up(body, icon):
    """Generates Pop-up notification when state changes"""
    notification = ToastNotifier()
    notification.show_toast("Lock Key State", body, icon_path="assets\\"+icon, duration=1.5)

import keyboard as kb
def hook_esc(button):
    """Alert if ESC button is pressed"""
    esc_button = kb.KeyboardEvent('down', VK_ESCAPE, 'ESC')
    if button.event_type == 'down' and esc_button.name == button.name:
        pop_up("ESC Pressed", "CapsLock_On.ico")
        # 敲击后回填为None
        button.event_type = None

kb.hook(hook_esc)

def pop_up(body, icon, toast_title="Lock Key State"):
    """Generates Pop-up notification when state changes"""
    notification = ToastNotifier()
    notification.show_toast(toast_title, body, icon_path="assets\\"+icon, duration=1.5)