!/usr/local/bin/python

import ftplib # socket-based FTP tools

def putfile(file, site, dir, user=(), , verbose=True):
"""
store a file by ftp to a site/directory
anonymous or real login, binary transfer
"""
if verbose: print('Uploading', file)
local = open(file, 'rb') # local file of same name
remote = ftplib.FTP(site) # connect to FTP site
remote.login(user) # anonymous or real login
remote.cwd(dir)
remote.storbinary('STOR ' + file, local, 1024)
remote.quit()
local.close()
if verbose: print('Upload done.')

if name == 'main':
site = 'ftp.rmi.net'
dir = '.'
import sys, getpass
pswd = getpass.getpass(site + ' pswd?') # filename on cmdline
putfile(sys.argv[1], site, dir, user=('lutz', pswd)) # nonanonymous login

---------------------------------------------------putfilegui.py
from tkinter import mainloop
import putfile, getfilegui

class FtpPutfileForm(getfilegui.FtpForm):
title = 'FtpPutfileGui'
mode = 'Upload'
def do_transfer(self, filename, servername, remotedir, userinfo):
putfile.putfile(filename, servername, remotedir, userinfo, verbose=False)

if name == 'main':
FtpPutfileForm()
mainloop()