Python Core Programming (3rd Edition)-Client FTP program sample

cat getlatestftp.py#!/usr/bin/pythonimport ftplibimport osimport sockethost =  ' Ftp.mozilla.org ' dirn =  ' pub/mozilla.org/webtools ' file =  ' bugzilla-latest.tar.gz ' def  Main ():     try:        f = ftplib. FTP (HOST)     except  (socket.error,socket.gaierror)  as e:         print  ' error:cannot reach  '%s '  % HOST         return    print  ' *** connected to  host  '%s '  % HOST    try:         F.login (' web2 ', ' she3t6net6hv3 ')     except ftplib.error_perm:         print  ' error: cannot login anonymously '          f.quit()         return    print  ' *** logged  in as  "Anonymous"     try:         F.CWD (Dirn)     except ftplib.error_perm:         print  ' error:cannot cd to  '%s '  % DIRN         f.quit ()         return    print  '  Changed to   "%s"  folder '  % DIRN    try:         f.retrbinary (' retr %s '  % FILE,             open (FILE, ' WB '). Write)     except  ftplib.error_perm:        print  ' ERROR:cannot read file   "%s" '  % fIle        if os.path.exists (FILE):             os.unlink (FILE)         else:             print  ' *** downloaded  ' %s " TO CWD '  % file    f.quit () if __name__ ==  ' __main__ ' :     main ()

Summarize:

The 1,ftp.mozilla.org is no longer accessible.

2, the relevant variables are modified according to the actual situation, Host,dirn,file.

3, this content is in "Python Core programming (3rd Edition)" 79th page.

Python Core Programming (3rd Edition)-Client FTP program sample