关于豆瓣登录，并实现验证码输入的方法

# -*- coding:utf-8 -*-
‘‘‘豆瓣模拟登陆，并实现发一条状态‘‘‘

import requests
session = requests.session()
header = {"Host": "www.douban.com",
            "Referer": "https://www.douban.com/",
        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; WOW64; rv:58.0) Gecko/20100101 Firefox/58.0"
        }
def login():
    print("====start====")
    username = input("please input your 账号:")
    password = input("please input your 密码:")
    payload = {
        "captcha-id": "",
        "captcha-solution":"",
        "form_email":username,
        "form_password":password,
        "source": "index_nav",
        "user_login": "登录"
    }
    # 通过验证码的获取得到验证码的图片和id
    rc = requests.get("https://www.douban.com/j/misc/captcha", headers=header)
    captchaUrl = rc.json()[‘url‘]
    captchaid = rc.json()[‘token‘]
    ri = requests.get("https:"+captchaUrl, headers=header)
    with open(‘captcha.jpg‘, "wb") as fc:
        fc.write(ri.content)
    payload["captcha-id"] = captchaid
    payload["captcha-solution"] = input("please input captcha code:")
    # 通过用户名密码登录豆瓣账号，并检查返回的html中是否有账号名称，如果有则说明成功了
    rl = session.post("https://accounts.douban.com/login", headers=header,data=payload)
    if "ven忘了" in rl.text:
        print("login in success!")
    else:
        print("login in failure!")
    # session保持登录状态，在首页实现发布状态。
    payload2 = {
        "ck": "oAEg",
        "comment":"今天的天气是真的好，万里无云，四季常青!"
    }
    rm = session.post("https://www.douban.com/", headers=header,data=payload2)
    print("success")
login()