用Python实现Windows上的气泡提醒

原文来自：http://www.3snews.net/html/50/550-20986.html

我稍微改了下而已，经试验在XP,2003下有效。

# -*- encoding: gbk -*-import sysimport osimport structimport timeimport win32confrom win32api import *# Try and use XP features, so we get alpha-blending etc.try:  from winxpgui import *except ImportError:  from win32gui import *class PyNOTIFYICONDATA:  _struct_format = (    "I" # DWORD cbSize; 结构大小(字节)    "I" # HWND hWnd; 处理消息的窗口的句柄    "I" # UINT uID; 唯一的标识符    "I" # UINT uFlags;    "I" # UINT uCallbackMessage; 处理消息的窗口接收的消息    "I" # HICON hIcon; 托盘图标句柄    "128s" # TCHAR szTip[128]; 提示文本    "I" # DWORD dwState; 托盘图标状态    "I" # DWORD dwStateMask; 状态掩码    "256s" # TCHAR szInfo[256]; 气泡提示文本    "I" # union {        #   UINT  uTimeout; 气球提示消失时间(毫秒)        #   UINT  uVersion; 版本(0 for V4, 3 for V5)        # } DUMMYUNIONNAME;    "64s" #    TCHAR szInfoTitle[64]; 气球提示标题    "I" # DWORD dwInfoFlags; 气球提示图标  )  _struct = struct.Struct(_struct_format)  hWnd = 0  uID = 0  uFlags = 0  uCallbackMessage = 0  hIcon = 0  szTip = ''  dwState = 0  dwStateMask = 0  szInfo = ''  uTimeoutOrVersion = 0  szInfoTitle = ''  dwInfoFlags = 0  def pack(self):    return self._struct.pack(      self._struct.size,      self.hWnd,      self.uID,      self.uFlags,      self.uCallbackMessage,      self.hIcon,      self.szTip,      self.dwState,      self.dwStateMask,      self.szInfo,      self.uTimeoutOrVersion,      self.szInfoTitle,      self.dwInfoFlags    )  def __setattr__(self, name, value):    # avoid wrong field names    if not hasattr(self, name):      raise NameError, name    self.__dict__[name] = valueclass MainWindow:  def __init__(self, title, msg, duration=3):    # Register the Window class.    wc = WNDCLASS()    hinst = wc.hInstance = GetModuleHandle(None)    wc.lpszClassName = "PythonTaskbarDemo" # 字符串只要有值即可，下面3处也一样    wc.lpfnWndProc = { win32con.WM_DESTROY: self.OnDestroy } # could also specify a wndproc.    classAtom = RegisterClass(wc)    # Create the Window.    style = win32con.WS_OVERLAPPED | win32con.WS_SYSMENU    self.hwnd = CreateWindow(classAtom, "Taskbar Demo", style,      0, 0, win32con.CW_USEDEFAULT, win32con.CW_USEDEFAULT,      0, 0, hinst, None    )    UpdateWindow(self.hwnd)    iconPathName = os.path.abspath(os.path.join(sys.prefix, "pyc.ico"))    icon_flags = win32con.LR_LOADFROMFILE | win32con.LR_DEFAULTSIZE    try:      hicon = LoadImage(hinst, iconPathName, win32con.IMAGE_ICON, 0, 0, icon_flags)    except:      hicon = LoadIcon(0, win32con.IDI_APPLICATION)    flags = NIF_ICON | NIF_MESSAGE | NIF_TIP    nid = (self.hwnd, 0, flags, win32con.WM_USER + 20, hicon, "Balloon  tooltip demo")    Shell_NotifyIcon(NIM_ADD, nid)    self.show_balloon(title, msg)    time.sleep(duration)    DestroyWindow(self.hwnd)  def show_balloon(self, title, msg):    # For this message I can't use the win32gui structure because    # it doesn't declare the new, required fields    nid = PyNOTIFYICONDATA()    nid.hWnd = self.hwnd    nid.uFlags = NIF_INFO    # type of balloon and text are random    nid.dwInfoFlags = NIIF_INFO    nid.szInfo = msg[:64]    nid.szInfoTitle = title[:256]    # Call the Windows function, not the wrapped one    from ctypes import windll    Shell_NotifyIcon = windll.shell32.Shell_NotifyIconA    Shell_NotifyIcon(NIM_MODIFY, nid.pack())  def OnDestroy(self, hwnd, msg, wparam, lparam):    nid = (self.hwnd, 0)    Shell_NotifyIcon(NIM_DELETE, nid)    PostQuitMessage(0) # Terminate the app.if __name__=='__main__':  MainWindow("您有一条短消息", "您该睡觉了")