复制代码 代码如下:
#!/usr/bin/py2
# -*- coding: utf-8 -*-
#encoding=utf-8

\’\’\’\’\’
    ftp自动下载、自动上传脚本，可以递归目录操作
\’\’\’ 

from ftplib import FTP
import os, sys, string, datetime, time
import socket  

class FtpClient:

    def __init__(self, host, user, passwd, remotedir, port=21):
        self.hostaddr = host
        self.username = user
        self.password = passwd
        self.remotedir  = remotedir          
        self.port     = port
        self.ftp      = FTP()
        self.file_list = []  

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

    def login(self):
        ftp = self.ftp
        try:
            timeout = 60
            socket.setdefaulttimeout(timeout)
            ftp.set_pasv(True)
            ftp.connect(self.hostaddr, self.port)
            print \’Connect Success %s\’ %(self.hostaddr)
            ftp.login(self.username, self.password)
            print \’Login Success %s\’ %(self.hostaddr)
            debug_print(ftp.getwelcome())
        except Exception:
            deal_error(\”Connect Error or Login Error\”)
        try:
            ftp.cwd(self.remotedir)
        except(Exception):
            deal_error(\’Change Directory Error\’)  

    def is_same_size(self, localfile, remotefile):
        try:
            remotefile_size = self.ftp.size(remotefile)
        except:
            remotefile_size = -1
        try:
            localfile_size = os.path.getsize(localfile)
        except:
            localfile_size = -1
        debug_print(\’lo:%d  re:%d\’ %(localfile_size, remotefile_size),)
        if remotefile_size == localfile_size:
            return 1
        else:
            return 0

    def download_file(self, localfile, remotefile):
        if self.is_same_size(localfile, remotefile):
            return
        else:
            pass
        file_handler = open(localfile, \’wb\’)
        self.ftp.retrbinary(\’RETR %s\’%(remotefile), file_handler.write)
        file_handler.close()

    def download_files(self, localdir=\’./\’, remotedir=\’./\’):
        try:
            self.ftp.cwd(remotedir)
        except:
            return
        if not os.path.isdir(localdir):
            os.makedirs(localdir)
        self.file_list = []
        self.ftp.dir(self.get_file_list)
        remotenames = self.file_list
        for item in remotenames:
            filetype = item[0]
            filename = item[1]
            local = os.path.join(localdir, filename)
            if filetype == \’d\’:
                self.download_files(local, filename)
            elif filetype == \’-\’:
                self.download_file(local, filename)
        self.ftp.cwd(\’..\’)  

    def upload_file(self, localfile, remotefile):
        if not os.path.isfile(localfile):
            return
        if self.is_same_size(localfile, remotefile):
            return
        file_handler = open(localfile, \’rb\’)
        self.ftp.storbinary(\’STOR %s\’ %remotefile, file_handler)
        file_handler.close()  

    def upload_files(self, localdir=\’./\’, remotedir = \’./\’):
        if not os.path.isdir(localdir):
            return
        localnames = os.listdir(localdir)
        self.ftp.cwd(remotedir)
        for item in localnames:
            src = os.path.join(localdir, item)
            if os.path.isdir(src):
                try:
                    self.ftp.mkd(item)
                except:
                    debug_print(\’Directory Exists %s\’ %item)
                self.upload_files(src, item)
            else:
                self.upload_file(src, item)
        self.ftp.cwd(\’..\’)

    def mkdir(self, remotedir=\’./\’):
        try:
            self.ftp.mkd(remotedir)
        except:
            debug_print(\’Directory Exists %s\’ %remotedir)

    def get_file_list(self, line):
        ret_arr = []
        file_arr = self.get_filename(line)
        if file_arr[1] not in [\’.\’, \’..\’]:
            self.file_list.append(file_arr)

    def get_filename(self, line):
        pos = line.rfind(\’:\’)
        while(line[pos] != \’ \’):
            pos += 1
        while(line[pos] == \’ \’):
            pos += 1
        file_arr = [line[0], line[pos:]]
        return file_arr

def debug_print(str):
    print (str)

def deal_error(e):
    timenow  = time.localtime()
    datenow  = time.strftime(\’%Y-%m-%d\’, timenow)
    logstr = \’%s Error: %s\’ %(datenow, e)
    debug_print(logstr)
    file.write(logstr)
    sys.exit()