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POPython - Windows Shutdown Events
 

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    <p>When using win32api.setConsoleCtrlHandler(), I'm able to receive shutdown/logoff/etc events from Windows, and cleanly shut down my app.</p> <p>However, this only works when running the app under python.exe (i.e., it has a console window), but not under pythonw.exe (no console window).</p> <p>Is there an equivalent way in Windows to receive these events when you have no console and no window to receive them? Or, is there a programmatic way to hide the console window?</p> <p>To be clear - my goal is to be able to successfully receive Windows shutdown/logoff/etc events, without having any kind of console window showing.</p> <p><strong>EDIT:</strong> I've been playing around, and I've gotten quite a bit further. I wrote a piece of test code for this. When I do a "taskkill /im pythonw.exe" - it will receive the message.</p> <p>However, when I do a shutdown, restart, or logoff on Windows, I do not get any messages.</p> <p>Here's the whole thing:</p> <pre><code>""" Testing Windows shutdown events """ import win32con import win32api import win32gui import sys import time def log_info(msg): """ Prints """ print msg f = open("c:\\test.log", "a") f.write(msg + "\n") f.close() def wndproc(hwnd, msg, wparam, lparam): log_info("wndproc: %s" % msg) if __name__ == "__main__": log_info("*** STARTING ***") hinst = win32api.GetModuleHandle(None) wndclass = win32gui.WNDCLASS() wndclass.hInstance = hinst wndclass.lpszClassName = "testWindowClass" messageMap = { win32con.WM_QUERYENDSESSION : wndproc, win32con.WM_ENDSESSION : wndproc, win32con.WM_QUIT : wndproc, win32con.WM_DESTROY : wndproc, win32con.WM_CLOSE : wndproc } wndclass.lpfnWndProc = messageMap try: myWindowClass = win32gui.RegisterClass(wndclass) hwnd = win32gui.CreateWindowEx(win32con.WS_EX_LEFT, myWindowClass, "testMsgWindow", 0, 0, 0, win32con.CW_USEDEFAULT, win32con.CW_USEDEFAULT, win32con.HWND_MESSAGE, 0, hinst, None) except Exception, e: log_info("Exception: %s" % str(e)) if hwnd is None: log_info("hwnd is none!") else: log_info("hwnd: %s" % hwnd) while True: win32gui.PumpWaitingMessages() time.sleep(1) </code></pre> <p>I feel like I'm pretty close here, but I'm definitely missing something!</p>
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