[PyQt4] Trouble with event handling

[Dodle]

I am connecting widgets with event handlers in PyQt and trying to find the widget that was used. I learned to do this in wxPython:

button1 = wx.Button(self, -1, "Button 1")
    button2 = wx.Button(self, -1, "Button 2")
    button3 = wx.Button(self, -1, "Button 3")
 
    button_group = (button1, button2, button3)
 
    for entry in button_group:
        entry.Bind(wx.EVT_BUTTON, self.onButton)
 
 
def onButton(self, event):
    eventVal = event.GetEventObject()
    labelVal = eventVal.GetLabel()
 
    print "%s pressed" % labelVal

button1 = wx.Button(self, -1, "Button 1")
    button2 = wx.Button(self, -1, "Button 2")
    button3 = wx.Button(self, -1, "Button 3")
    
    button_group = (button1, button2, button3)
    
    for entry in button_group:
        entry.Bind(wx.EVT_BUTTON, self.onButton)


def onButton(self, event):
    eventVal = event.GetEventObject()
    labelVal = eventVal.GetLabel()
    
    print "%s pressed" % labelVal

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But I am having trouble figuring out how to do this with PyQt. This is the only way that I know how to catch events:

button1 = QtGui.QPushButton("Button 1")
    button2 = QtGui.QPushButton("Button 2")
    button3 = QtGui.QPushButton("Button 3")
 
    button_group = [button1, button2, button3]
 
    for entry in button_group:
        self.connect(entry, QtCore.SIGNAL('clicked()'), self.onButton)
 
 
def onButton(self):
    """
    I do not know what to put here.
    """
    pass

button1 = QtGui.QPushButton("Button 1")
    button2 = QtGui.QPushButton("Button 2")
    button3 = QtGui.QPushButton("Button 3")
    
    button_group = [button1, button2, button3]
    
    for entry in button_group:
        self.connect(entry, QtCore.SIGNAL('clicked()'), self.onButton)


def onButton(self):
    """
    I do not know what to put here.
    """
    pass

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