python制作最美应用的爬虫

import requests
import re
url = "http://zuimeia.com"
r = requests.get('http://zuimeia.com/community/app/hot/?platform=2')
pattern = re.compile(r'<a class="community-app-cover-wrapper" href="(.*?)" target="_blank">')
urlList = pattern.findall(r.content)

def requestsUrl(url):
 r = requests.get(url)
 title = re.findall(r'"app-title"><h1>(.*?)</h1>',r.content)
 #print title
 category = re.findall(r'<a class="app-tag" href="/community/app/category/title/.*?/?platform=2">(.*?)</a>',r.content)
 #print category

 describe = re.findall(r'<div id="article_content">(.*?)<div class="community-image-wrapper">',r.content)
 #print type(describe[0])
 strdescribe = srtReplace(describe[0])
 #print strdescribe

 downloadUrl = re.findall(r'<a class="download-button direct hidden" href="(.*?)"',r.content)
 #print downloadUrl

 return title,category,strdescribe,downloadUrl

def srtReplace(string):
 listReplace = ['<p>','<br>','<h1>','<h2>','<h3>','<h4>','<h5>','<h6>','<h7>','<strong>','</p>','<br/>','</h1>','</h2>','</h3>','</h4>','</h5>','</h6>','</h7>','</strong>','<b>','</b>']
 for eachListReplace in listReplace:
  string = string.replace(str(eachListReplace),'n')

 string = string.replace('nn','')
 return string

def categornFinal(category):
 categoryFinal =''
 for eachCategory in category:
  categoryFinal = categoryFinal+str(eachCategory)+'-->'
 return categoryFinal

def urlReplace(url):
 url = url.replace('&','&')
 return url

requestsUrl("http://zuimeia.com/community/app/27369/?platform=2")
for eachUrl in urlList:
 eachUrl = url+eachUrl
 content = requestsUrl(eachUrl)
 categoryFinal =''

 title = content[0][0]
 category = categornFinal(content[1])
 strdescribe = content[2]
 downloadUrl = urlReplace(content[3][0])

 with open('c:/wqa.txt','a+') as fd:
  fd.write('title:'+title+'n'+'category:'+category+'n'+'strdescribe:'+strdescribe+'n'+'downloadUrl:'+downloadUrl+'nnn-----------------------------------------------------------------------------------------------------------------------------nnn')