def file_ftps(host,un,pw,ftp_filename,source_filename):
    try:
        ftps = FTP_TLS(host)
        ftps.auth_tls()
        ftps.login(un,pw)
        ftps.prot_p()
        ftps.storbinary("STOR " + ftp_filename, file(source_filename, "rb"))
        ftps.quit()
    except ftplib.all_errors, error:
        print 'Error:', str(error)
        logging.info(mydate+ ' - '+'FTPS Error Encountered: '+ str(error))
        sys.exit(0)