自动化

import requests
import http.cookiejar as cookielib
import re
import time
import os.path
from PIL import Image



# 构造 Request headers
headers = {
    "Host": "www.dotcpp.com",
    "Referer": "http://www.dotcpp.com/oj/loginpage.php",
    ‘User-Agent‘: ‘Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:53.0) Gecko/20100101 Firefox/53.0‘,
}



# 构造 cookie 信息
session = requests.session()
session.cookies = cookielib.LWPCookieJar(filename=‘cookies‘)
try:
    session.cookies.load(ignore_discard=True) # 如果已经有 cookie信息的话 直接用于登录
except:
    print("Cookie 未能加载")
    
def get_capther():
    captcha_url = ‘http://www.dotcpp.com/oj/vcode.php‘
    r = session.get(captcha_url, headers=headers)
    with open(‘captcha.jpg‘, ‘wb‘) as f:
        f.write(r.content)
        f.close()
    try:
        im = Image.open(‘captcha.jpg‘)
        im.show()
        im.close()
    except:
        print(u‘请到 %s 目录找到captcha.jpg 手动输入‘ % os.path.abspath(‘captcha.jpg‘))
    captcha = input("please input the captcha\n>")
    return captcha
def login():
    post_url = ‘http://www.dotcpp.com/oj/login.php‘
    postdata = {
        ‘user_id‘: ‘xpower‘,
        ‘password‘: ‘q.123456‘,
        ‘vcode‘: get_capther()
    }    
    login_page = session.post(post_url, data=postdata, headers=headers)
    text = str(login_page.content,‘utf-8‘)
    print(text)