import requests
from bs4 import BeautifulSoup
from PIL import Image
headers = {
'User-Agent':'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36',
'Referer':'https://accounts.douban.com/login?alias=&redir=https%3A%2F%2Fwww.douban.com%2F&source=index_nav&error=1001'
}
session = requests.Session()
session.headers.update(headers)
username = input('请输入你的用户名：')
password = input('请输入你的密码：')
url = 'https://accounts.douban.com/login'
def login(username,password,source='index_nav',redir='https://www.douban.com/',login='登录'): #模拟登入函数
caprcha_id,caprcha_link = get_captcha(url) #把get_captcha函数返回的值
if caprcha_id: #如果有caprcha_id,就执行解析caprcha_link网页信息，并把图片保存下来打开
img_html = session.get(caprcha_link)
with open('caprcha.jpg','wb') as f:
f.write(img_html.content)
try:
im = Image.open('caprcha.jpg')
im.show()
im.close()
except:
print('打开错误')
caprcha = input('请输入验证码：') #把看到的验证码图片输入进去
data = { #需要传去的数据
'source':source,
'redir':redir,
'form_email':username,
'form_password':password,
'login':login,
}
if caprcha_id: #如果需要验证码就把下面的两个数据加入到data里面
data['captcha-id'] = caprcha_id
data['captcha-solution'] = caprcha
html = session.post(url,data=data,headers=headers)
print(session.cookies.items())
def get_captcha(url): #解析登入界面，获取caprcha_id和caprcha_link
html = requests.get(url)
soup = BeautifulSoup(html.text,'lxml')
caprcha_link = soup.select('#captcha_image')[0]['src']
#lzform > div.item.item-captcha > div > div > input[type="hidden"]:nth-child(3)
caprcha_id = soup.select('div.captcha_block > input')[1]['value']
return caprcha_id,caprcha_link
login(username,password)
login_url = 'https://www.douban.com/group/'
xiaozu_html = session.get(login_url)
soup = BeautifulSoup(xiaozu_html.text,'lxml')
#content > div > div.article > div.topics > table > tbody > tr:nth-child(1) > td.td-subject > a
titles = soup.select('tr.pl > td.td-subject > a.title')
for title in titles:
print(title['href'],title.string)
