python-FTP模块

  #!/user/bin/python
 #coding=utf-8

 import ftplib
 import os
 import socket

 HOST = 'ftp.kernel.org'
 DIRN = 'pub/linux/kernel'
 FILE = 'README'

 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()
     except ftplib.error_perm:
         print "Error:cannot login anonymously"
         f.quit()
         return
     print " Login as anonymous."

     try:
         f.cwd(DIRN)
     except ftplib.error_perm:
         print "Error:cannot CD to '%s'"%DIRN
         f.quit()
         return
     print " changed to '%s'"%DIRN

     try:
         f.retrbinary('RETR %s'%FILE,open(FILE,"wb").write)
     except ftplib.error_perm:
         print "Error:cannot read file '%s'"%FILE
         os.unlink(FILE)
     else:
         print " Download '%s' to cwd"%FILE
     f.quit()

 if __name__=="__main__":
     main()

 #!/usr/bin/python
 #coding=utf-8

 #上传文件
 from ftplib import FTP
 import sys,getpass,os.path

 host,username,localfile,remotepath = sys.argv[1:]

 password=getpass.getpass("Enter password for %s on %s"%(username,host))
 f=FTP(host)
 f.login(username,password)
 print remotepath
 f.cwd(remotepath)
 print f.dir()
 print localfile
 fd=open(localfile,'rb')
 f.storbinary('STOP test',fd)
 fd.close()
 f.quit()

 if __name__=="__main__":
     main()