Posted in Python onMay 13, 2014
#!/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()
Python FTP操作类代码分享
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