sre_constants.error: unbalanced parenthesis

Traceback (most recent call last):
  File "androidmarket82.py", line 108, in
    main()
  File "androidmarket82.py", line 54, in main
    pattern=re.compile('(.+?))

')#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('''.+?''')
            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('(.+?)')#名称
        data0=re.findall(pattern,result)
        print data0[0]
        pattern=re.compile('(.+?))

')#版本号 data1=re.findall(pattern,result) print data1[0] pattern=re.compile('(.+?)')#开发者 data2=re.findall(pattern,result) print data2[0] pattern=re.compile('(.+?)')#发布时间 data3=re.findall(pattern,result) print data3[0] pattern=re.compile('(.+?)')#文件大小 data4=re.findall(pattern,result) print data4[0] pattern=re.compile('(.+?)')#支持固件 data5=re.findall(pattern,result) print data5[0] pattern=re.compile('(.+?)

')#类别 data6=re.findall(pattern,result) print data6[0] pattern=re.compile('([\s\S]*?)')#介绍 data7=re.findall(pattern,result) for items in data7: pass#print re.sub('
',' ',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('
',' ',items)) except: pass try: cursor.execute(sql,values) conn.commit() except: pass pattern=re.compile('

[\s\S]*?') 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()