通过 bv 号获取 b 站视频弹幕

import requests
import json
import re
def get_cid(bv):
    url = 'https://api.bilibili.com/x/player/pagelist?bvid=%s' % bv
    res = requests.get(url)
    res_text = res.text
    res_dict = json.loads(res_text)
    cid = res_dict['data'][0]['cid']
    return cid
def get_bullet_chat(cid):
    url = 'https://api.bilibili.com/x/v1/dm/list.so?oid=%s' % cid
    res = requests.get(url)
    res.xml = res.content.decode('utf-8')
    patt = re.compile('<d.*?>(.*?)</d>')
    bullet_list = patt.findall(res.xml)
    return bullet_list
def wold_count(bullent):
    bullent = str(bullent)  
    print(bullent)
if __name__ == '__main__':
    bv = 'BV1Jz411b7zG'  
    cid = get_cid(bv)
    bullent = get_bullet_chat(cid)
    wold_count(bullent)