View source for 웹에요청할때Agent바꾸는방법

 # -*- coding: euc-kr -*-
 import re
 import time
 import urllib
 import urllib2
 import ClientCookie
 import thread
 from threading import *
 import re
 MAX_CALL_COUNT = 20
 ## @brief  사이트 검색 결과 중 각 정의 결과 를 얻어 오는 클래스 
 # @author 남상협
 # @date 2007-02-14   
 class TextExtractor:
     def __init__(self):
         self.urlOpener = ClientCookie.build_opener(ClientCookie.HTTPCookieProcessor(ClientCookie.CookieJar() ),\
                                               ClientCookie.SeekableProcessor,\
                                               ClientCookie.HTTPEquivProcessor,\
                                               ClientCookie.HTTPRefreshProcessor,\
                                               ClientCookie.HTTPRefererProcessor)         
     def getTextFromMSDN(self):
         theUrl = 'http://msdn2.microsoft.com/zh-cn/library/ms130214.aspx'
         #theUrl = 'http://www.google.co.kr/search?hl=ko&amp;q=define:"'+word+'"'
         req = urllib2.Request(theUrl)
         req.add_header('User-Agent', 'Mozilla/4.0 (compatible; MSIE 5.5; Windows NT)')
         try :
             f =  self.urlOpener.open(req)
             data = f.read()
             f.close()
         except Exception,e:
             print e
             data = ""
         return data
 if __name__ == "__main__":
     extractor = TextExtractor()
     data = extractor.getTextFromMSDN()
     f = file("result.txt","w")
     f.write(data)
     f.close()