#!/usr/bin/env python#coding=utf-8## Openwrt Package Grabber## Copyright (C) 2016 sohobloo.me#import urllib2import reimport osimport time# the url of package list page, end with "/"baseurl = ‘https://downloads.openwrt.org/snapshots/trunk/ramips/mt7620/packages/‘# which directory to save all the packages, end with "/"time = time.strftime("%Y%m%d%H%M%S", time.localtime())savedir = ‘./‘ + time + ‘/‘pattern = r‘<a href="http://www.mamicode.com/([^/?].*?)">‘def fetch(url, path = ‘‘):    if not os.path.exists(savedir + path):        os.makedirs(savedir + path)    print ‘fetching package list from ‘ + url    content = urllib2.urlopen(url + path, timeout=15).read()    items = re.findall(pattern, content)    cnt = 0    for item in items:        if item == ‘../‘:            continue        elif item.endswith(‘/‘):            fetch(url, path + item)        else:            cnt += 1            print ‘downloading item %d: ‘%(cnt) + path + item            if os.path.isfile(savedir + path + item):                print ‘file exists, ignored.‘            else:                rfile = urllib2.urlopen(baseurl + path + item)                with open(savedir + path + item, "wb") as code:                    code.write(rfile.read())fetch(baseurl)print ‘done!‘