将远程(Paramiko) ssh命令的输出求值为成功/失败布尔值

import paramiko

def run_remote_command(hostname, username, password, command):
    # 创建 SSH 客户端
    ssh = paramiko.SSHClient()
    ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
    
    try:
        # 连接到远程服务器
        ssh.connect(hostname, username=username, password=password)
        
        # 执行命令
        stdin, stdout, stderr = ssh.exec_command(command)
        
        # 获取命令的退出状态码
        exit_status = stdout.channel.recv_exit_status()
        
        # 判断命令是否成功
        if exit_status == 0:
            return True
        else:
            return False
    except Exception as e:
        print(f"Error: {e}")
        return False
    finally:
        # 关闭 SSH 连接
        ssh.close()

# 示例调用
hostname = 'your_remote_host'
username = 'your_username'
password = 'your_password'
command = 'ls -l'

result = run_remote_command(hostname, username, password, command)
print(f"Command execution {'succeeded' if result else 'failed'}")