FTP upload error with Python and ftplib. -


i'm trying run simple ftps script upload file on scheduled basis linux box ftps instance running on windows server 2012. when try , test script on desktop (os x), script errors out:

error uploading file: [errno 54] connection reset peer

if run script on linux box, same error, except 104 instead of 54:

error uploading file: [errno 104] connection reset peer

the files i'm uploading have either been empty or 8 bytes. i've verified ftps working 2 other clients on desktop. missing / overlooking? 

#!/usr/bin/env python ftplib import ftp_tls import fnmatch import os import ssl import sys  server = '192.168.1.2' user = 'myusername' passwd = 'mypassword'  def connect_ftp():     ftp = ftp_tls(server, user, passwd)     ftp.set_pasv(true)     ftp.prot_p()      return ftp  def upload_file(ftp_connection, upload_file_path):     try:         upload_file = open("/tmp/test/" + upload_file_path, 'r')         print('uploading ' + upload_file_path + "...")         ftp_connection.storbinary('stor ' + upload_file_path, upload_file)         ftp_connection.quit()         ftp_connection.close()         upload_file.close()         print('upload finished.')      except exception, e:         print("error uploading file: " + str(e))  ftp_conn = connect_ftp()   file in os.listdir('/tmp/test'):         if fnmatch.fnmatch(file, 'bt_*.txt'):             upload_file(ftp_conn, file)

i think problem shows on ms ftp server. first of turn on debug

ftp.set_debuglevel(2)

in case transfer hangs on

put 'stor test.xml\r\n'

get '125 data connection open; transfer starting.\n'

resp '125 data connection open; transfer starting.'

then found suggession http://www.sami-lehtinen.net/blog/python-32-ms-ftps-ssl-tls-lockup-fix i've tried (commented conn.unwrap() in storbinary) , worked! in case in line 513

        # shutdown ssl layer         if _sslsocket not none , isinstance(conn, _sslsocket):             pass #conn.unwrap()

this obliviously bad hack, couldn't find better.


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