Python脚本：把本地文件实时更新到服务器上

# 如果没有安装paramiko,用pip install paramiko安装
import paramiko, os, time

def update(addr, usr, pasw, fn, target_path):
    trans = paramiko.Transport((addr, 22))
    trans.connect(username=usr, password=pasw)
    sftp = paramiko.SFTPClient.from_transport(trans)
    sftp.put(fn, target_path)


def keep_update(addr, usr, pasw, fn2target_paths, if_stop=None, call_back=None):
    last_modified_times = {i: None for i in fn2target_paths}
    while True:
        for i in fn2target_paths:
            modified_time = os.stat(i).st_mtime
            if (not last_modified_times[i]) or modified_time > last_modified_times[i]:
                last_modified_times[i] = modified_time
                update(addr, usr, pasw, i, fn2target_paths[i])
                print(i+':', time.asctime())
                if call_back: call_back()
                if if_stop and if_stop[0]: break
        time.sleep(0.2)


if __name__ == '__main__':
    keep_update(ip, user_name, passwrd, {
        filepath1: server_filepath1,
        filepath2: server_filepath2,
    })