Tornado login Douban code example

Share a piece of code for tornado to log into Douban. It only implements simple login and does not implement asynchronous login. Netizens who need it can improve the code themselves.

Go directly to the code:

#coding=utf8
import settings
import urllib
from tornado import httpclient
import json
  
class douban:
    authurl = 'https://www.douban.com/service/auth2/'
    user_info_url = 'https://api.douban.com/v2/user/~me'
  
    def get_authorization_code(self):
        params = {
            "client_id":settings.oauth2['douban']['key'],
            "redirect_uri":settings.oauth2['redirect_url'],
            "response_type":"code",
            "scope":"douban_basic_common",
        }
        return self.authurl+'auth?'+urllib.urlencode(params)
  
    def get_access_token(self,code):
        params = {
            "client_id":settings.oauth2['douban']['key'],
            "client_secret":settings.oauth2['douban']['sercet'],
            "redirect_uri":settings.oauth2['redirect_url'],
            "grant_type":"authorization_code",
            "code":code,
        }
        url = self.authurl+'token'
        http_client = httpclient.HTTPClient()
        req = httpclient.HTTPRequest(url,method='POST',body=urllib.urlencode(params))
        response = http_client.fetch(req)
        return json.loads(response.body)
              
    def get_user_info(self,access_token):
        url = 'https://api.douban.com/v2/user/~me'
        http_client = httpclient.HTTPClient()
        req = httpclient.HTTPRequest(url,headers={"Authorization":"Bearer "+access_token})
        response = http_client.fetch(req)
        return json.loads(response.body)