python定时去FTP下载文件

文件"/>

python定时去FTP下载文件

FTP上有系统的登录日志，日志是三台服务器传上去的，日志名称一致并且名称用日期命名，日志放在不同的文件夹下面。该脚本每天早上8点半去FTP下载日志。希望该文档可以帮助你。

#!/usr/bin/env python
# _*_ coding:utf-8 _*_
import time
import datetime
from ftplib import FTP
import logging
import os
logger=logging.getLogger()
logger.setLevel(logging.DEBUG)
fh=logging.FileHandler('logs.txt',mode='a')
formatter = logging.Formatter('%(asctime)s[line:%(lineno)d]-%(levelname)s: %(message)s')
fh.setFormatter(formatter)
fh.setLevel(logging.DEBUG)
logger.addHandler(fh)
if not os.path.exists('download'):os.makedirs('download')
def ftp_connect():try:ftp_server = '127.0.0.1'  username = 'www'  # 用户名password = 'password'  # 密码ftp = FTP()ftp.connect(ftp_server, 21)ftp.login(username, password)except Exception as e:logger.error("FTP连接失败 %s"%e)else:return ftp
def download_file(filename,localname):ftp = ftp_connect()if ftp:if not os.path.exists(localname):logger.info("开始下载%s"%(filename))try:ftp.nlst(filename)except Exception as e:logger.error("%s文件不存在"%filename)else:try:bufsize = 1024fp = open(localname, 'wb')ftp.retrbinary('RETR ' + filename, fp.write, bufsize)fp.close()ftp.quit()logger.info("下载%s成功"%filename)except Exception as f:logger.error("下载%s失败"%filename)
h=8
m=30
while True:yesterday=(datetime.datetime.now()-datetime.timedelta(days=1)).strftime("%Y-%m-%d")yesterday2=(datetime.datetime.now()-datetime.timedelta(days=1)).strftime("%Y%m%d")log='login.log_%s.log'%(yesterday)file=['/logs/101/%s'%log,'/logs/102/%s'%log,'/logs/103/%s'%log]for i in file:local="download/"+i.split('/')[-2]+"_"+i.split('/')[-1]download_file(i,local)while True:now = datetime.datetime.now()if now.hour == h and now.minute == m:breakelse:time.sleep(20)# logger.info("正常运行")