Python使用ftplib实现简易FTP客户端的方法

#!/usr/bin/python #-*- coding:utf-8 -*- from ftplib import FTP   #加载ftp模块 ftp=FTP()          #设置变量 ftp.set_debuglevel(2)    #打开调试级别2，显示详细信息 ftp.connect("IP","port")  #连接的ftp sever和端口 ftp.login("user","password")#连接的用户名，密码 print ftp.getwelcome()   #打印出欢迎信息 ftp.cmd("xxx/xxx")     #更改远程目录 bufsize=1024        #设置的缓冲区大小 filename="filename.txt"   #需要下载的文件 file_handle=open(filename,"wb").write#以写模式在本地打开文件 ftp.retrbinaly("RETR filename.txt",file_handle,bufsize)#接收服务器上文件并写入本地文件 ftp.set_debuglevel(0)    #关闭调试模式 ftp.quit          #退出ftp ftp.dir()          #显示目录下文件信息 ftp.mkd(pathname)      #新建远程目录 ftp.pwd()          #返回当前所在位置 ftp.rmd(dirname)      #删除远程目录 ftp.delete(filename)    #删除远程文件 ftp.rename(fromname, toname)#将fromname修改名称为toname。 ftp.storbinaly("STOR filename.txt",file_handel,bufsize) #上传目标文件

#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) #打开调试级别2，显示详细信息      #self.ftp.set_pasv(0)  #0主动模式 1 #被动模式     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!"