python ftp 文件修改时间 乐贴_python定时FTP同步文件

#coding=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 MYFTP:

def __init__(self,rootdir_local, hostaddr, username, password, remotedir, port=21):

self.hostaddr = hostaddr

self.username = username

self.password = password

self.remotedir = remotedir

self.port = port

self.ftp = FTP()

self.file_list = []

self.rootdir_local = rootdir_local

self.local_files = []

self.remote_files = []

self.appendFiles = []

# self.ftp.set_debuglevel(2)

def __del__(self):

self.ftp.close()

# self.ftp.set_debuglevel(0)

def login(self):

ftp = self.ftp

try:

timeout = 300

socket.setdefaulttimeout(timeout)

ftp.set_pasv(True)

print u'开始连接到 %s' %(self.hostaddr)

ftp.connect(self.hostaddr, self.port)

print u'成功连接到 %s' %(self.hostaddr)

print u'开始登录到 %s' %(self.hostaddr)

ftp.login(self.username, self.password)

print u'成功登录到 %s' %(self.hostaddr)

debug_print(ftp.getwelcome())

except Exception:

print u'连接或登录失败'

try:

ftp.cwd(self.remotedir)

except(Exception):

print u'切换目录失败'

def margeFile(self):

temp = []

try:

for f in self.remote_files:

if f in self.local_files:

temp.append(f)

for f in temp:

self.remote_files.remove(f)

except Exception,e:

print e

def get_localFileList(self,fileTxt):

print u'从 %s 中读取本地文件列表'%(self.rootdir_local +'/'+fileTxt)

try:

fileTxt = open(rootdir_local+'/'+fileTxt,'r')

except Exception,e:

print e

for line in fileTxt:

line = line.strip('\n')

line = line.strip(' ')

self.local_files.append(line)

def update_localFileList(self,fileTxt):

print u'更新 %s 中文件列表'%(self.rootdir_local +'/'+fileTxt)

try:

fileTxt = open(rootdir_local+'/'+fileTxt,'a')

fileTxt.writelines(['%s\n' %(x) for x in self.appendFiles])

except Exception,e:

print e

def get_remoteFileList(self):

print u'读取服务器文件列表'

try:

self.remote_files = self.ftp.nlst()

except Exception,e:

print e

def download_file(self, localfile, remotefile):

debug_print(u'>>>>>>>>>>>>下载文件 %s <<<<<<<<<<<

#return

file_handler = open(localfile, 'wb')

self.ftp.retrbinary(u'RETR %s'%(remotefile), file_handler.write)

file_handler.close()

self.appendFiles.append(remotefile)

def download_marge_files(self):

for f in self.remote_files:

self.download_file(rootdir_local+'/'+f,f)

'''

#暂时不需要这些逻辑

def download_files(self, localdir='./', remotedir='./'):

try:

self.ftp.cwd(remotedir)

except:

debug_print(u'目录%s不存在，继续...' %remotedir)

return

if not os.path.isdir(localdir):

os.makedirs(localdir)

debug_print(u'切换至目录 %s' %self.ftp.pwd())

self.file_list = []

self.ftp.dir(self.get_file_list)

remotenames = self.file_list

#print(remotenames)

#return

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('..')

debug_print(u'返回上层目录 %s' %self.ftp.pwd())

def upload_file(self, localfile, remotefile):

if not os.path.isfile(localfile):

return

if self.is_same_size(localfile, remotefile):

debug_print(u'跳过[相等]: %s' %localfile)

return

file_handler = open(localfile, 'rb')

self.ftp.storbinary('STOR %s' %remotefile, file_handler)

file_handler.close()

debug_print(u'已传送: %s' %localfile)

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(u'目录已存在 %s' %item)

self.upload_files(src, item)

else:

self.upload_file(src, item)

self.ftp.cwd('..')

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(s):

print s

if __name__ == '__main__':

timenow = time.localtime()

datenow = time.strftime('%Y-%m-%d', timenow)

# 配置如下变量

hostaddr = '10.6.152.147' # ftp地址

username = 'anonymous' # 用户名

password = 'anonymous@' # 密码

port = 21 # 端口号

rootdir_local = 'E:/mypiv' # 本地目录

rootdir_remote = '/' # 远程目录

local_file_list_txt = 'fileList.txt'

while :

f = MYFTP(rootdir_local,hostaddr, username, password, rootdir_remote, port)

f.login()

f.get_localFileList(local_file_list_txt)

f.get_remoteFileList()

f.margeFile()

print f.remote_files

f.download_marge_files()

f.update_localFileList(local_file_list_txt)

timenow = time.localtime()

datenow = time.strftime('%Y-%m-%d %h:%M:%s', timenow)

logstr = u"%s 成功执行了备份\n" %datenow

debug_print(logstr)