ssh.py 文件源码

def _execute(self, cmd, **kwargs):
        """
        Execute a command on a remote host.

        Parameters
        ----------
        cmd : string
            Command to be executed on remote host.
        kwargs : keywords
            Options to pass to subprocess.Popen.

        Returns
        -------
        proc : Popen subprocess
            Subprocess used to run remote command.
        """
        template = 'ssh {login} -T -o ControlPath={socket} << EOF\n{cmd}\nEOF'
        config = dict(self._subprocess_config)
        config.update(kwargs)
        return run_in_subprocess(template.format(login=self._login_info,
                                                 socket=self._socket_path,
                                                 cmd=cmd),
                                 check_output=True,
                                 **config)