#!/usr/bin/python

-- coding:utf-8 --
from ftplib import FTP      #加載ftp模塊
ftp=FTP()                   #設置變量
ftp.set_debuglevel(2)       #打開調試級別2，顯示詳細信息
ftp.connect("IP","port")    #連接的ftp sever和端口
ftp.login("user","password")#連接的用戶名，密碼
print ftp.getwelcome()      #打印出歡迎信息
ftp.cmd("xxx/xxx")          #更改遠程目錄
bufsize=1024                #設置的緩沖區大小
filename="filename.txt"     #需要下載的文件
file_handle=open(filename,"wb").write                   #以寫模式在本地打開文件
ftp.retrbinaly("RETR filename.txt",file_handle,bufsize) #接收服務器上文件并寫入本地文件
ftp.set_debuglevel(0)       #關閉調試模式
ftp.quit                    #退出ftp
</pre>
ftp.dir()                   #顯示目錄下文件信息
ftp.mkd(pathname)           #新建遠程目錄
ftp.pwd()                   #返回當前所在位置
ftp.rmd(dirname)            #刪除遠程目錄
ftp.delete(filename)        #刪除遠程文件
ftp.rename(fromname, toname)#將fromname修改名稱為toname。
ftp.storbinaly("STOR filename.txt",file_handel,bufsize) #上傳目標文件

</pre> 一個FTP完整實例
#coding:utf-8
from ctypes import *
import os
import sys
import ftplib

class myFtp:
    ftp = ftplib.FTP()
    bIsDir = False
    path = ""
    def init(self, host, port='21'):
        self.ftp.set_debuglevel(2) #打開調試級別2，顯示詳細信息

    #self.ftp.set_pasv(0)    #0主動模式 1 #被動模式
    self.ftp.connect( host, port )

def Login(self, user, passwd ):
    self.ftp.login( user, passwd )
    print self.ftp.welcome
def DownLoadFile( self, LocalFile, RemoteFile ):
    file_handler = open( LocalFile, 'wb' )
    self.ftp.retrbinary( "RETR %s" %( RemoteFile ), file_handler.write ) 
    file_handler.close()
    return True

def UpLoadFile( self, LocalFile, RemoteFile ):
    if os.path.isfile( LocalFile ) == False:
        return False
    file_handler = open( LocalFile, "rb" )
    self.ftp.storbinary( 'STOR %s'%RemoteFile, file_handler, 4096 )
    file_handler.close()
    return True

def UpLoadFileTree( self, LocalDir, RemoteDir ):
    if os.path.isdir( LocalDir ) == False:
        return False
    LocalNames = os.listdir( LocalDir )
    print RemoteDir
    self.ftp.cwd( RemoteDir )
    for Local in LocalNames:
        src = os.path.join( LocalDir, Local)
        if os.path.isdir( src ):
            self.UpLoadFileTree( src, Local )
        else:
            self.UpLoadFile( src, Local )

    self.ftp.cwd( ".." )
    return

def DownLoadFileTree( self, LocalDir, RemoteDir ):
    if os.path.isdir( LocalDir ) == False:
        os.makedirs( LocalDir )
    self.ftp.cwd( RemoteDir )
    RemoteNames = self.ftp.nlst()  
    for file in RemoteNames:
        Local = os.path.join( LocalDir, file )
        if self.isDir( file ):
            self.DownLoadFileTree( Local, file )                
        else:
            self.DownLoadFile( Local, file )
    self.ftp.cwd( ".." )
    return

def show( self, list  ):
    result = list.lower().split( " " )
    if self.path in result and "<dir>" in result:
        self.bIsDir = True

def isDir( self, path ):
    self.bIsDir = False
    self.path = path
    #this ues callback function ,that will change bIsDir value
    self.ftp.retrlines( 'LIST', self.show )
    return self.bIsDir

def close( self ):
    self.ftp.quit()


ftp = myFtp('**')
ftp.Login('*','*')
ftp.DownLoadFile('TEST.TXT', 'others\runtime.log')#ok
ftp.UpLoadFile('runtime.log', 'others\runtime.log')#ok
ftp.DownLoadFileTree('bcd', 'others\abc')#ok
ftp.UpLoadFileTree('aaa',"others\" )
ftp.close()
print "ok!"
</pre>