sre_constants.error: unbalanced parenthesis

Traceback (most recent call last):

File "androidmarket82.py", line 108, in <module>

main()

File "androidmarket82.py", line 54, in main

pattern=re.compile('<label id="ctl00_AndroidMaster_Content_Apk_SoftVersionName">(.+?)</label>)</div>')#版本号

File "/usr/lib/python2.7/re.py", line 190, in compile

return _compile(pattern, flags)

File "/usr/lib/python2.7/re.py", line 242, in _compile

raise error, v # invalid expression

sre_constants.error: unbalanced parenthesis

#!/usr/env  python
#-*- coding: utf-8  -*-
import requests
import os,sys
import time
import MySQLdb
import re
num=0
dataresult=[]
def main():
try:
conn=MySQLdb.connect(host='localhost',user='root',passwd='123456',db='addressbookdb',charset="utf8")
conn.query("set names utf8")
except Exception,e:
print e
sys.exit()
cursor=conn.cursor()
for k in range(51):
try:

url="http://apk.hiapk.com/apps#"+str(k)+"_1_0_0_0_0_0"
print url
html=requests.get(url)
result=html.content
pattern=re.compile('''<a target='_blank' title=".+?" href="(.+?)">.+?</a></span>''')
daresult=re.findall(pattern,result)
global dataresult
dataresult+=daresult
dataresult=list(set(dataresult))
print len(dataresult)
except:

time.sleep(30)
pass

f=file("androidmarket.txt","a+")
content=str(len(dataresult))
f.write(content)
f.close()
print len(dataresult)
for i in dataresult:

print i
try:
html=requests.get(i)
result=html.content
except:
time.sleep(30)
pass
pattern=re.compile('<label id="ctl00_AndroidMaster_Content_Apk_SoftName">(.+?)</label>')#名称
data0=re.findall(pattern,result)
print data0[0]
pattern=re.compile('<label id="ctl00_AndroidMaster_Content_Apk_SoftVersionName">(.+?)</label>)</div>')#版本号
data1=re.findall(pattern,result)
print data1[0]
pattern=re.compile('<span class="d_u_line"><label id="ctl00_AndroidMaster_Content_Apk_SoftDeveloper">(.+?)</label>')#开发者
data2=re.findall(pattern,result)
print data2[0]
pattern=re.compile('<label id="ctl00_AndroidMaster_Content_Apk_SoftPublishTime">(.+?)</label>')#发布时间
data3=re.findall(pattern,result)
print data3[0]
pattern=re.compile('<span class="font14"><label id="ctl00_AndroidMaster_Content_Apk_SoftSize">(.+?)</label>')#文件大小
data4=re.findall(pattern,result)
print data4[0]
pattern=re.compile('<span class="font14 d_gj_line"><label id="ctl00_AndroidMaster_Content_Apk_SoftSuitSdk">(.+?)</label>')#支持固件
data5=re.findall(pattern,result)
print data5[0]
pattern=re.compile('<span id="ctl00_AndroidMaster_Content_Apk_SoftCategory" class="font14">(.+?)</span></a></span></div>')#类别
data6=re.findall(pattern,result)
print data6[0]
pattern=re.compile('<label id="ctl00_AndroidMaster_Content_Apk_Description">([\s\S]*?)</label>')#介绍
data7=re.findall(pattern,result)
for items in data7:
pass#print re.sub('<br />',' ',items)
sql="insert into androidmarket(name,version,developer,pubtime,filesize,support,classifyintroduction) values(%s,%s,%s,%s,%s,%s,%s,%s)"
for items in data7:
try:

values=(data0[0],data1[0],data2[0],data3[0],data4[0],data5[0],data6[0],re.sub('<br />',' ',items))

except:
pass
try:
cursor.execute(sql,values)
conn.commit()
except:
pass
pattern=re.compile(' <div class="appTitle clearfix">[\s\S]*?<img src=(.+?)/>')
data=re.findall(pattern,result)
for j in data:
print j

try:
temp=requests.get(j[1:-2])
except:
time.sleep(30)
pass
global num
f=file("androidmarket/"+str(num),"w+")
num=num+1
print num
f.write(temp.content)
cursor.close()
conn.close()
f.close()
if  __name__=="__main__":
main()