command_line.py 文件源码

def send_message(self, message="", **kwargs):
        """Send a message to a command line."""
        try:
            proc = subprocess.Popen(self.command, universal_newlines=True,
                                    stdin=subprocess.PIPE, shell=True)
            proc.communicate(input=message)
            if proc.returncode != 0:
                _LOGGER.error('Command failed: %s', self.command)
        except subprocess.SubprocessError:
            _LOGGER.error('Error trying to exec Command: %s', self.command)