这是一个简单的python脚本，主要从懒人图库下载javascript特效模板，在脚本中使用了gevent这个第三方库，使用的时候需要先安装。
#!/usr/bin/python# -*- coding: utf-8 -*- import urllib,os,sysimport gevent,refrom gevent import monkeyfrom bs4 import beautifulsoupgevent.monkey.patch_socket() '''description：python 爬虫抓取懒人图库的js脚本模板author：admincreate-date：2015-05-25version：1.0''' http_url = 'http://www.lanrentuku.com%s'download_url = http_url[:-2] + '/js/d%szip'reg=r'\d{1,}\.+' def encode(text): return text.encode(utf8) def createdirectory(curpath): mypath = os.path.join(getsubdirectory(), u'js代码模板') if not os.path.exists(mypath): os.mkdir(mypath) return os.path.join(mypath, curpath) def getsubdirectory(): return os.getcwd() def schedule(a, b, c): per = 100.0 * a * b / c if per > 100 : per = 100 sys.stdout.write('%.1f%%\r' % per) sys.stdout.flush() def geturllist(url): url_list = {} html = urllib.urlopen(url) content = html.read() html.close() # 用beautifulsoup解析 decodehtml = beautifulsoup(content) try: atags = decodehtml.find_all('div', {'class':'list-pngjs'})[0].find_all('a') except indexerror, e: print e atags = none # 获取链接地址和标题 if atags is not none: for a_tag in atags: url_list[http_url % a_tag.get('href')] = a_tag.get_text() return url_list def download(down_url): try: m=re.search(reg,down_url[0]) name = download_url % m.group(0) urllib.urlretrieve(name,createdirectory(down_url[1] + name[-4:]),schedule) except exception, e: print e.message def getpageurl(xurl): # 进行列表页循环 return [xurl % page for page in xrange(1,49)] if __name__ == '__main__': jobs = [] pageurl = getpageurl('http://www.lanrentuku.com/js/p%s.html') # 爬取所有链接 for i in pageurl: for k in geturllist(i).items(): jobs.append(gevent.spawn(download, k)) gevent.joinall(jobs)
以上所述就是本文的全部内容了，希望大家能够喜欢。