winspeech.py 文件源码

python
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项目:winspeech 作者: areebbeigh 项目源码 文件源码
def _ensure_event_thread():
    """
    Make sure the event thread is running, which checks the handlerqueue
    for new event handlers to create, and runs the message pump.
    """
    global _event_thread
    if not _event_thread:
        def loop():
            while _event_thread:
                pythoncom.PumpWaitingMessages()
                if _handlerqueue:
                    (context, listener, callback) = _handlerqueue.pop()
                    # Just creating a _ListenerCallback object makes events
                    # fire till listener loses reference to its grammar object
                    _ListenerCallback(context, listener, callback)
                time.sleep(.5)

        _event_thread = 1  # so loop doesn't terminate immediately
        _event_thread = _thread.start_new_thread(loop, ())
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