getRoomInfo.py

import sys
import json
import requests
import re
import urllib

if __name__ == '__main__':
    url = 'https://live.douyin.com/%s' % sys.argv[1] 
    h = {
        'accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9',
        'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36',
        'cookie': '__ac_nonce=0638733a400869171be51',
    }
    res = requests.get(url=url, headers=h)
    data = res.cookies.get_dict()
    ttwid = data['ttwid']
    res = res.text
    res = re.search(r'<script id="RENDER_DATA" type="application/json">(.*?)</script>', res)
    res = res.group(1)
    res = urllib.parse.unquote(res, encoding='utf-8', errors='replace')
    res = json.loads(res)
    roomStore = res['app']['initialState']['roomStore']
    liveRoomId = roomStore['roomInfo']['roomId']
    liveRoomTitle = roomStore['roomInfo']['room']['title']
    sys.stdout.write(json.dumps({'url':url,'liveRoomId':liveRoomId,'liveRoomTitle':liveRoomTitle}))