shell_ctrl.py 文件源码

def process(self):
        """ Run the interactive shell after displaying the software version information

        @raise SystemExit
        """
        self._display_banner()

        while 1:
            try:
                self.cmdloop()
            except kbd_exception.CtrlD:
                signal.signal(signal.SIGINT, signal.SIG_DFL)
                return
            except kbd_exception.CtrlC:
                # cancel the current line and get a new one
                pass