Python landing asp web page code

Using python to login the asp web site and login is similar to other web sites, just because the asp page at the time of each request will take view state, so use python to login, you can have one more step, get the page's view state after take this and you should post or get to the page request data, this program is an asp system login, then search some data and the data preserved.

#coding=utf-8 
import urllib2 from bs4 import BeautifulSoup import urllib import cookielib import re import httplib import time 
 
 
loginUrl=" The login address "
headers={"User-Agent":"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/37.0.2062.120 Safari/537.36"} 
studentCookie = cookielib.CookieJar()  
pageOpener = urllib2.build_opener(urllib2.HTTPCookieProcessor(studentCookie)) 
loginPageRequest = urllib2.Request(loginUrl)  
loginPageHTML = pageOpener.open(loginPageRequest).read() """ 
s=requests.Session() 
s.headers.update(headers) 
r=s.get(loginUrl) 
""" print loginPageHTML 
soup=BeautifulSoup(loginPageHTML) 
 
__VIEWSTATE=soup.find(id="__VIEWSTATE")['value'] 
__EVENTVALIDATION=soup.find(id="__EVENTVALIDATION")['value'] 
 print __VIEWSTATE print __EVENTVALIDATION 
 
login_data={ 
   ' __EVENTTARGET':'', '__EVENTARGUMENT':'', '__LASTFOCUS':'', '__VIEWSTATE':__VIEWSTATE, '__EVENTVALIDATION':__EVENTVALIDATION, 'ClienScreentHeight':'768', 'TextBoxUserID':'username', 'TextBoxPWD':'password', 'drpLanguage':'zh-CN', 'ButtonConfirm.x':'45', 'ButtonConfirm.y':'64'
   } 
loginHeader = {  
           
          'User-Agent':'sssssssssssssssssssssss' 
          } 
loginData=urllib.urlencode(login_data) 
loginRequest = urllib2.Request(loginUrl , loginData , headers) 
loginResponse = pageOpener.open(loginRequest) 
 print loginResponse 
 
theurl=' Search the page address after logging in '
 
mainPageRequest = urllib2.Request(theurl) 
 
mainPageHTML = pageOpener.open(mainPageRequest).read()  
soup=BeautifulSoup(mainPageHTML) 
 
__VIEWSTATE=soup.find(id="__VIEWSTATE")['value'] #__EVENTVALIDATION=soup.find(id="__EVENTVALIDATION")['value'] print __VIEWSTATE #print __EVENTVALIDATION 
searchdata={ 
      '__VIEWSTATE':__VIEWSTATE, 
      '__EVENTVALIDATION':'', 
      'txtCopNO':'', 'txtCAR_NO_S':'', 'drpStatus':'', 'txtHiddenOrOnline':'none', 'txtAuto_id':'', 'drpType':'', 'drpBaseType':'', 'ddlIsStatus':0, 'txtICCard':'', 'txtBILL_NO':'', 'txtGDateTime1':'', 'txtGDateTime2':'', 'drpFromKA':'', 'drpToKA':'', 'btnSearch':'%E6%9F%A5+%E8%AF%A2%28F%29'
} 
 
data2=urllib.urlencode(searchdata) 
 
 
  
 
searchData=urllib.urlencode(searchdata) 
searcgRequest=urllib2.Request(theurl , searchData , headers) 
searchResponse=pageOpener.open(searcgRequest) 
 print loginResponse print searchResponse 
 
searchHtml=searchResponse.read() 
 
 
filename= r'C:UsersDellDesktopgetloginfile'+time.strftime('%d%H%M',time.localtime(time.time()))+'.html'
 file=open(filename,'w') file.write(searchHtml) file.close() 
 print 'end' #raw_input()

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