python compare--filecmp

import urllib2
import filecmp

def url_open(url):
    response=urllib2.urlopen(url)
    html=response.read()
    f=open('f:\python\url_open.txt','w')
    f.write(html)
    f.close()

def url_request(url):
    req=urllib2.Request(url)
    response=urllib2.urlopen(req)
    the_page=response.read()
    f=open('f:\python\url_request.txt','w')
    f.write(the_page)
    f.close

def compare():
    return filecmp.cmp(r'f:\python\url_open.txt',r'f:\python\url_request.txt')
    

if __name__=='__main__':
    url=""
    url_open(url)
    url_request(url)
    res=compare()
    print res

Compare the difference of the file get by using request and using urlopen directly.