class my_application(object):
 
    def __init__(self):
        """This function is called for each my_application instance initiated.
 
          Do any window initiation here."""
 
        self.my_widget = 0 
        self.my_control = 1
        self.my_window = 2
        self.my_button = 3
        self.button_is_clicked = False
 
        print "Window Opened"
 
    def click_button(self):
        """This method could be called whenever the button in the window is clicked.
 
           Do any button handling or response routines here."""
 
        if self.button_is_clicked:
            print "Button is already clicked!"
        else:
            print "Button clicked!"
            self.button_is_clicked = True
 
if __name__ == '__main__':
 
    my_program = my_application()
    my_program.click_button()
    my_program.click_button()