如何利用python刷访问量

#-*- coding=utf-8 -*-

import urllib2
import codecs
import re

csdn_url = "http://blog.csdn.net/walegahaha"
blog_url = ["http://blog.csdn.net/walegahaha/article/details/51945421",
	 "http://blog.csdn.net/walegahaha/article/details/51867904",
	 "http://blog.csdn.net/walegahaha/article/details/51603040",
	 "http://blog.csdn.net/walegahaha/article/details/50938260",
	 "http://blog.csdn.net/walegahaha/article/details/50884627",
	 "http://blog.csdn.net/walegahaha/article/details/50877906",
	 "http://blog.csdn.net/walegahaha/article/details/50868049",
	 "http://blog.csdn.net/walegahaha/article/details/50533424",
	 "http://blog.csdn.net/walegahaha/article/details/50504522",
	 "http://blog.csdn.net/walegahaha/article/details/50489053",
	 "http://blog.csdn.net/walegahaha/article/details/50471417",
	 "http://blog.csdn.net/walegahaha/article/details/50464531",
	 "http://blog.csdn.net/walegahaha/article/details/50452959",
	 "http://blog.csdn.net/walegahaha/article/details/50435986",
	 ]

class CSDN(object):
	def __init__(self):
	self.csdn_url = csdn_url
	self.blog_url = blog_url
	self.headers = {'User-Agent':'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.6) Gecko/20091201 Firefox/3.5.6',} 

	def openCsdn(self):
	req = urllib2.Request(self.csdn_url, headers = self.headers)
	response = urllib2.urlopen(req)
	thePage = response.read()
	response.close()
	pattern = "访问：<span>(d+)次</span>"
	number = ''.join(re.findall(pattern, thePage))
	print number

	def openBlog(self):
	for i in range(len(self.blog_url)):
	req = urllib2.Request(self.blog_url[i], headers = self.headers)
	response = urllib2.urlopen(req)
	response.close()

	
for i in range(500):
	print i
	csdn = CSDN()
	csdn.openCsdn()
	csdn.openBlog()
	csdn.openCsdn()