def loginTom(username, password):  url1 = '''  http://login.mail.tom.com/cgi/login  '''  values = {   'type' : '0',   'user' : '%s' % username,   'in_username' : '%s@tom.com' % username,   'pass' : '%s' % password,   'style' : '21',   'verifycookie' : 'y'  }  data = urllib.urlencode(values)  req = urllib2.Request(url1, data)  response = opener.open(req)  data2 =response.read()  sid = re.search(r'(?<=(sid=)).*?(?=&)', data2).group()  url3 = '''  http://bjapp6.mail.tom.com/cgi/ldapapp?funcid=mails&sid=%s&fid=1  ''' % sid  response = opener.open(url3)  data3 = response.read()  b = re.search(r'(?<=nTotalMailCount).*?(?=;)', data3).group()  c = re.search(r'd.+', b).group()  num_per_page = 20  num_times = string.atoi(c) / 20  print( num_times )  index = 0  for match in re.finditer(r'(?<="Mbox_Td_Subject">).*?(?=</)', data3):   index += 1   part1 = "第%d封邮件" % index   part2 = " %s" % match.group()   part1 = part1.decode('utf8').encode('gbk')   subject = re.search(r'(?<=>).+', part2).group()   subject = part1.decode('gbk') + "    " + subject.decode('gbk')   print( subject.encode('gbk'))  for i in xrange(num_times - 1):   url3 = '''   http://bjapp6.mail.tom.com/cgi/ldapapp?funcid=mails&sid=%s&fid=1&start=%d   ''' % (sid, (i + 1) * num_per_page )   response = opener.open(url3)   data3 = response.read()   for match in re.finditer(r'(?<="Mbox_Td_Subject">).*?(?=</)', data3):    index += 1    part1 = "第%d封邮件" % index    part2 = " %s" % match.group()    part1 = part1.decode('utf8').encode('gbk')    subject = re.search(r'(?<=>).+', part2).group()    subject = part1.decode('gbk') + "    " + subject.decode('gbk')    print( subject.encode('gbk'))