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  myObject = MyClass()
  myObject.mainLoopForever()

Code: Alles auswählen

from ctypes import CFUNCTYPE, windll
from ctypes.wintypes import BOOL, DWORD
from threading import Event
from time import sleep

cleanup_called = Event()

def cleanup():
    cleanup_called.set()
    print 'cleanup called'
    sleep(3)

def HandlerRoutine(dwCtrlType):
    '''http://msdn.microsoft.com/en-us/library/ms683242.aspx'''
    if dwCtrlType == 2:
        cleanup()
    return 0

HANDLERFUNC = CFUNCTYPE(BOOL, DWORD)
callback = HANDLERFUNC(HandlerRoutine)
windll.kernel32.SetConsoleCtrlHandler(callback, True)
count = 0
while not cleanup_called.isSet():
    print count
    count += 1
    sleep(1)
# do cleanup
sleep(3)

Code: Alles auswählen

from ctypes import CFUNCTYPE, windll
from ctypes.wintypes import BOOL, DWORD
from threading import Event
from time import sleep

def console_ctrl_handler(event):
    '''Installs a general purpose console control handler, see
       _http://msdn.microsoft.com/en-us/library/ms686016.aspx
       event is a threading.Event() set by the handler,
       when any of Windows exit events in HandlerRoutine occurs.
       Use it to handle cleanup and clear the event afterwards.'''
    def HandlerRoutine(dwCtrlType):
        '''http://msdn.microsoft.com/en-us/library/ms683242.aspx'''
        event.set()
        while event.isSet():
            sleep(.1)
        return 0
    globals()['c_ctrl_cb'] = CFUNCTYPE(BOOL, DWORD)(HandlerRoutine)
    return windll.kernel32.SetConsoleCtrlHandler(globals()['c_ctrl_cb'], True)

if __name__ == '__main__':
    exit = Event()
    console_ctrl_handler(exit)
    count = 0
    while not exit.isSet():
        print count
        count += 1
        sleep(1)
    # for thread safety do cleanup here, not in the control handler
    print 'running cleanup...'
    sleep(3) # cleanup stuff
    exit.clear()