mesos.py 文件源码

def _window_resize(self, signum, frame):
        """Signal handler for SIGWINCH.

        Generates a message with the current demensions of the
        terminal and puts it in the input_queue.

        :param signum: the signal number being handled
        :type signum: int
        :param frame: current stack frame
        :type frame: frame
        """

        # Determine the size of our terminal, and create the message to be sent
        rows, columns = os.popen('stty size', 'r').read().split()

        message = {
            'type': 'ATTACH_CONTAINER_INPUT',
            'attach_container_input': {
                'type': 'PROCESS_IO',
                'process_io': {
                    'type': 'CONTROL',
                    'control': {
                        'type': 'TTY_INFO',
                        'tty_info': {
                              'window_size': {
                                  'rows': int(rows),
                                  'columns': int(columns)}}}}}}

        self.input_queue.put(self.encoder.encode(message))