python-ssh到h3c交换机执行指令

import paramiko


def ssh_client_con():
    """创建ssh连接，并执行shell指令"""
    # 1 创建ssh_client实例
    ssh_client = paramiko.SSHClient()
    # 自动处理第一次连接的yes或者no的问题
    ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy)
    # port = '22'
    # username = '用户名'
    # password = ''
    hostname = ['ip',]

    # 2 连接服务器
    for i in hostname:
        print(i)
    ssh_client.connect(
        port=22,
        hostname= 'ip',
        username="用户名",
        password="密码",
        allow_agent=False,
        look_for_keys=False
    )
# 3 执行shell命令
# 构造shell指令
    shell_command = """
             display  interface brief \r     
             \r 
    """


    # 执行shell指令
    stdin, stdout, stderr = ssh_client.exec_command(shell_command)
        # 输出返回信息

    stdout_r = stdout.read()
    print(stdout_r)
    print(type(stdout_r))
    # with open('host_site.txt', 'wb', ) as host_file:
    #     host_file.write(stdout_r)
    # with open('host_site.txt', 'rb') as host_file:
    #     print((host_file.read()).decode("GB2312"))



if __name__ == '__main__':
   ssh_client_con()