#! /bin/python3

import ftplib
import io
import random

ftp = ftplib.FTP()
ftp.connect("localhost", 38081)
ftp.login("admin", "123456")
s = "".join(random.choices([chr(i) for i in range(ord('a'), ord('z'))], k=5))
ftp.storlines('STOR test.py', io.BytesIO(s.encode()))