python采集博客中上传的QQ截图文件

import urllib2from bs4 import BeautifulSoupimport reimport sysreload(sys)sys.setdefaultencoding('utf-8') baseurl = "//www.VeVB.COm/dont-worry.html"#说明下，起始地址是第一篇文章的地址，通过该文章的页面就#可以使用BeautifulSoup模块来获取上一篇文章的地址 file = open(r"E:/123.txt","a") def pageloop(url):  page = urllib2.urlopen(url)  soup = BeautifulSoup(page)  img = soup.findAll(['img'])  if img == []:    print "当前页面没有图片"    return  else:    for myimg in img:      link = myimg.get('src')      print link            pattern = re.compile(r'QQ/S*[0-9]*png')      badimg = pattern.findall(str(link))      if badimg:        print url        file.write(link + "/n")        file.write(url+"/n")        def getthenextpage(url):  pageloop(url)  page = urllib2.urlopen(url)  soup = BeautifulSoup(page)  for spanclass in soup.findAll(attrs={"class" : "article-nav-prev"}):    #print spanclass    if spanclass.find('article-nav-prev') != -1:      pattern = re.compile(r'//www.VeVB.COm//S*html')      pageurl = pattern.findall(str(spanclass))      for i in pageurl:        #print i        getthenextpage(i)              getthenextpage(baseurl)   print "the end!"file.close()