Cute.py 文件源码

def connect(sender, signal, callback):
    """Connect a signal.
    Use this function only in cases where code should work with both Qt5 and Qt4, as it is an ugly hack.
    Args:
        sender: The Qt object emitting the signal
        signal: A string, containing the signal signature (as in Qt4 and PySide)
        callback: The function to be called upon receiving the signal
    """
    if use_qt5:
        return getattr(sender, signal.split('(', 1)[0]).connect(callback)
    else:
        return sender.connect(QtCore.SIGNAL(signal), callback)