<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def run(self):
 """Import the controller and run it. This mimics the processing done by :func:`helper.start` when a controller is run in the foreground. A new instance of ``self.controller`` is created and run until a keyboard interrupt occurs or the controller stops on its own accord. """

        segments = self.controller.split('.')
        controller_class = reduce(getattr, segments[1:],
                                  __import__('.'.join(segments[:-1])))
        cmd_line = ['-f']
        if self.configuration is not None:
            cmd_line.extend(['-c', self.configuration])
        args = parser.get().parse_args(cmd_line)
        controller_instance = controller_class(args, platform)
        try:
            controller_instance.start()
        except KeyboardInterrupt:
            controller_instance.stop()