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spider.py
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#!/usr/bin/env python
import requests
import re
import getpass
from time import sleep
import http.cookiejar
from PIL import Image
from bs4 import BeautifulSoup
from urllib import parse
from courseSchedule_Handler import courseSchedule_Handler
from score_Handler import score_Handler
from info_Handler import info_Handler
class Spider:
def __init__(self):
# create request headers
self.Url = 'http://xk4.ahu.cn'
agent = 'Mozilla/5.0 (X11; Linux x86_64; rv:54.0) Gecko/20100101 Firefox/54.0'
self.postUrl = self.Url + '/default2.aspx'
self.headers = {
'Referer': self.postUrl,
'User-Agent': agent
}
self.session = requests.session()
self.session.cookies = http.cookiejar.LWPCookieJar(filename='cookie')
def getCheckCode(self):
imgUrl = self.Url + '/CheckCode.aspx'
img = self.session.get(imgUrl)
with open('./checkCode.jpg', 'wb') as f:
f.write(img.content)
try:
code = self.killCheckCode()
except:
cc = Image.open('./checkCode.jpg')
cc.show()
code = input('please input the checkcode\n> ')
cc.close()
return code
def killCheckCode(self):
f1 = open('./kill_check_url', 'r')
kill_url = f1.read()
f1.close()
files = {'img': ('checkCode.jpg', open('./checkCode.jpg', 'rb'), 'image/png')}
res = requests.post(kill_url, files=files)
print(re.search(r"{{(....)}}", res.text).group(1))
return re.search(r"{{(....)}}", res.text).group(1)
def login(self, xh, password):
# create post data
self.xh = xh
self.password = password
RadioButtonList1 = u"学生".encode('gb2312', 'replace')
res = self.session.get(self.postUrl)
soup = BeautifulSoup(res.text, 'html.parser')
viewstate = soup.find('input', id='__VIEWSTATE').get('value')
eventvalidation = soup.find('input', id='__EVENTVALIDATION').get('value')
postData = {
'Button1': '',
'RadioButtonList1': RadioButtonList1,
'TextBox2': password,
'__EVENTVALIDATION': eventvalidation,
'__VIEWSTATE': viewstate,
'hidPdrs': '',
'hidsc': '',
'lbLanguage': '',
'txtSecretCode': self.getCheckCode(),
'txtUserName': xh
}
try:
loginPage = self.session.post(self.postUrl, data=postData, headers=self.headers)
self.session.cookies.save()
self.getInfo()
print('Login Successful')
except:
print('Login failed')
def getInfo(self):
infoUrl = self.Url + '/xsgrxx.aspx?xh=' + self.xh + '&'
self.session.headers['Referer'] = self.Url + '/xs_main.aspx?xh=' + self.xh
res = self.session.get(infoUrl)
handler = info_Handler(res.text)
self.name = handler.getInfo('name')
self.xm = parse.quote(self.name.encode('gb2312'))
def getCourseSchedule(self):
# get Course-Schedule
csUrl = self.Url + '/xskbcx.aspx?xh=' + self.xh + '&xm=' + self.xm + '&gnmkdm=N121603'
res = self.session.get(csUrl, headers=self.headers)
res.encoding = 'gb2312'
handler = courseSchedule_Handler(res.text)
handler.writeToFile('course.html')
print('CourseSchedule has saved as course.html')
def getScore(self):
# get Score
try:
scoreUrl = self.Url + '/xscjcx.aspx?xh=' + self.xh
self.session.headers['Referer'] = scoreUrl
res = self.session.get(scoreUrl)
soup = BeautifulSoup(res.text, 'html.parser')
viewstate = soup.find('input', id='__VIEWSTATE').get('value')
eventvalidation = soup.find('input', id='__EVENTVALIDATION').get('value')
postData = {
'__EVENTARGUMENT': '',
'__EVENTTARGET': '',
'__EVENTVALIDATION': eventvalidation,
'__VIEWSTATE': viewstate,
'btn_zcj': u'历年成绩'.encode('gb2312', 'replace'),
'ddlXN': '',
'ddlXQ': '',
'ddl_kcxz': '',
'hidLanguage': ''
}
except:
scoreUrl = self.Url + '/xscjcx_dq.aspx?xh=' + self.xh
self.session.headers['Referer'] = scoreUrl
res = self.session.get(scoreUrl)
soup = BeautifulSoup(res.text, 'html.parser')
viewstate = soup.find('input', id='__VIEWSTATE').get('value')
eventvalidation = soup.find('input', id='__EVENTVALIDATION').get('value')
postData = {
'__EVENTARGUMENT': '',
'__EVENTTARGET': '',
'__EVENTVALIDATION': eventvalidation,
'__LASTFOCUS': '',
'__VIEWSTATE': viewstate,
'btnCx': u' 查 询 '.encode('gb2312', 'replace'),
'ddlxn': u'全部'.encode('gb2312', 'replace'),
'ddlxq': u'全部'.encode('gb2312', 'replace')
}
res = self.session.post(scoreUrl, data=postData, headers=self.headers)
res.encoding = 'gb2312'
handler = score_Handler(res.text)
handler.writeToFile('score.html')
print("All the score has saved as score.html")
def getLesson(self, xkurl, id):
self.session.headers['Referer'] = self.Url + '/xsxk.aspx?xh=' + self.xh + '&xm=' + self.xm + '&gnmkdm=N121101'
html = self.session.get(xkurl)
soup = BeautifulSoup(html.text, 'html.parser')
viewstate = soup.find('input', id='__VIEWSTATE').get('value')
eventvalidation = soup.find('input', id='__EVENTVALIDATION').get('value')
xkkh = soup.find('table', class_='formlist').find_all('tr')[id].find_all('td')[-1].find('input').get('value')
postData = {
'RadioButtonList1': '1',
'__EVENTARGUMENT': '',
'__EVENTTARGET': 'Button1',
'__EVENTVALIDATION': eventvalidation,
'__VIEWSTATE': viewstate,
'xkkh': xkkh
}
while True:
sleep(1)
self.session.headers['Referer'] = xkurl
res = self.session.post(xkurl, data=postData)
pattern = re.compile(r".*alert\('([^']+)'\)")
ans = re.match(pattern, res.text)
print(ans.group(1))
if ans.group(1) == '保存成功！':
print("Congratulations!")
break
def main():
spider = Spider()
xh = input('please input xh\n>> ')
password = getpass.getpass('please input password\n>> ')
spider.login(xh, password)
# spider.getCourseSchedule()
# spider.getScore()
xkurl = input('please input xkurl (example: www.google.com)\n> ')
# 从上往下顺序
teacherid = input('please input teacherid (example: 1)\n> ')
while True:
try:
spider.getLesson(str(xkurl), eval(teacherid))
except:
spider.login(xh, password)
if __name__ == '__main__':
main()