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()