python ftplib模組

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Python中預設安裝的ftplib模組定義了FTP類，其中函數有限，可用來實現簡單的ftp用戶端，用於上傳或下載檔案，函數列舉如下

ftp登陸串連from ftplib import FTP            #載入ftp模組ftp=FTP()                         #設定變數ftp.set_debuglevel(2)             #開啟調試層級2，顯示詳細資料ftp.connect("IP","port")          #串連的ftp sever和連接埠ftp.login("user","password")      #串連的使用者名稱，密碼print ftp.getwelcome()            #列印出歡迎資訊ftp.cmd("xxx/xxx")                #進入遠程目錄bufsize=1024                      #設定的緩衝區大小filename="filename.txt"           #需要下載的檔案file_handle=open(filename,"wb").write #以寫入模式在本地開啟檔案ftp.retrbinaly("RETR filename.txt",file_handle,bufsize) #接收伺服器上檔案並寫入本地檔案ftp.set_debuglevel(0)             #關閉偵錯模式ftp.quit()                        #退出ftpftp相關命令操作ftp.cwd(pathname)                 #設定FTP當前操作的路徑ftp.dir()                         #顯示目錄下檔案資訊ftp.nlst()                        #擷取目錄下的檔案ftp.mkd(pathname)                 #建立遠程目錄ftp.pwd()                         #返回當前所在位置ftp.rmd(dirname)                  #刪除遠程目錄ftp.delete(filename)              #刪除遠程檔案ftp.rename(fromname, toname)#將fromname修改名稱為toname。ftp.storbinaly("STOR filename.txt",file_handel,bufsize)  #上傳目標檔案ftp.retrbinary("RETR filename.txt",file_handel,bufsize)  #下載FTP檔案

 

例1：下載、上傳檔案

#coding: utf-8from ftplib import FTPimport timeimport tarfile#!/usr/bin/python#-*- coding: utf-8 -*-from ftplib import FTPdef ftpconnect(host, username, password):    ftp = FTP()    #ftp.set_debuglevel(2)         #開啟調試層級2，顯示詳細資料    ftp.connect(host, 21)          #串連    ftp.login(username, password)  #登入，如果匿名登入則用空串代替即可    return ftp    def downloadfile(ftp, remotepath, localpath):    bufsize = 1024                #設定緩衝塊大小    fp = open(localpath,‘wb‘)     #以寫入模式在本地開啟檔案    ftp.retrbinary(‘RETR ‘ + remotepath, fp.write, bufsize) #接收伺服器上檔案並寫入本地檔案    ftp.set_debuglevel(0)         #關閉調試    fp.close()                    #關閉檔案def uploadfile(ftp, remotepath, localpath):    bufsize = 1024    fp = open(localpath, ‘rb‘)    ftp.storbinary(‘STOR ‘+ remotepath , fp, bufsize) #上傳檔案    ftp.set_debuglevel(0)    fp.close()                                    if __name__ == "__main__":    ftp = ftpconnect("******", "***", "***")    downloadfile(ftp, "***", "***")    uploadfile(ftp, "***", "***")    ftp.quit()

 

例2：上傳、下載檔案/目錄

#coding:utf-8from ctypes import *import osimport sysimport ftplibclass myFtp:    ftp = ftplib.FTP()    bIsDir = False    path = ""    def __init__(self, host, port=‘21‘):        #self.ftp.set_debuglevel(2) #開啟調試層級2，顯示詳細資料         #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        print "LocalDir:", LocalDir        LocalNames = os.listdir(LocalDir)        print "list:", LocalNames        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):        print "remoteDir:", RemoteDir        if os.path.isdir( LocalDir ) == False:            os.makedirs( LocalDir )        self.ftp.cwd( RemoteDir )        RemoteNames = self.ftp.nlst()          print "RemoteNames", RemoteNames        print self.ftp.nlst("/del1")        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()if __name__ == "__main__":    ftp = myFtp(‘*****‘)    ftp.Login(‘***‘,‘***‘)    ftp.DownLoadFileTree(‘del‘, ‘/del1‘)#ok    ftp.UpLoadFileTree(‘del‘, "/del1" )    ftp.close()    print "ok!"

注：目錄內為檔案，若為目錄則無法傳輸

python ftplib模組