# -*- coding: utf-8 -*-
import os, sys
import pycurl
ftp_user_name = "*****"
ftp_user_password = "*****"
proxy = "*****"
proxy_port = *****
proxy_user_name = "*****"
proxy_user_password = "*****"
ftp_destination = "ftp://*****/test.zip"
source_file = "test.zip"
class FileReader:
    def __init__(self, fp):
        self.fp = fp
    def read_callback(self, size):
        return self.fp.read(size)
if not os.path.exists(source_file):
    print("Error: the file '%s' does not exist" % source_file)
    raise SystemExit
c = pycurl.Curl()
c.setopt(pycurl.URL, ftp_destination)
c.setopt(pycurl.UPLOAD, 1)
c.setopt(pycurl.USERPWD, "%s:%s" % (ftp_user_name, ftp_user_password))
c.setopt(pycurl.PROXY, proxy)
c.setopt(pycurl.PROXYPORT, proxy_port)
c.setopt(pycurl.PROXYUSERPWD, "%s:%s" % (proxy_user_name, proxy_user_password))
c.setopt(pycurl.VERBOSE, 1)
c.setopt(pycurl.HTTPPROXYTUNNEL, 1)
c.setopt(pycurl.READFUNCTION, FileReader(open(source_file, 'rb')).read_callback)
filesize = os.path.getsize(source_file)
c.setopt(pycurl.INFILESIZE, filesize)
print('Uploading file %s to url %s' % (source_file, ftp_destination))
c.perform()
c.close()

* Send failure: Connection was aborted
* Closing connection 0
Traceback (most recent call last):
  File ".\file_upload.py", line 39, in <module>
    c.perform()
pycurl.error: (55, 'Send failure: Connection was aborted')