判断远程服务器文件夹是否存在

import paramiko

def check_folder_exists(hostname, username, password, folder_path):
    ssh = paramiko.SSHClient()
    ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
    ssh.connect(hostname, username=username, password=password)
    
    command = f"ls {folder_path}"
    stdin, stdout, stderr = ssh.exec_command(command)
    
    output = stdout.read().decode('utf-8')
    error = stderr.read().decode('utf-8')
    
    ssh.close()
    
    if error:
        return False, error
    else:
        return folder_path in output, None

# 示例调用
hostname = 'your_remote_server'
username = 'your_username'
password = 'your_password'
folder_path = '/path/to/your/folder'

exists, error = check_folder_exists(hostname, username, password, folder_path)
if exists:
    print(f"文件夹 {folder_path} 存在")
else:
    print(f"文件夹 {folder_path} 不存在，错误信息: {error}")