old_contents: import hashlib
  import re
  import time
  
  from requests.adapters import HTTPAdapter
  from streamlink.plugin import Plugin
  from streamlink.plugin.api import http, validate, useragents
  from streamlink.stream import HTTPStream
  
  API_URL = "http://live.bilibili.com/api/playurl?cid={0}&player=1&quality=0&sign={1}&otype=json"
  ROOM_API = "https://api.live.bilibili.com/room/v1/Room/room_init?id={}"
  API_SECRET = "95acd7f6cc3392f3"
  SHOW_STATUS_ONLINE = 1
  SHOW_STATUS_OFFLINE = 2
  STREAM_WEIGHTS = {
      "source": 1080
  }
  
  _url_re = re.compile(r"""
      http(s)?://live.bilibili.com
      /(?P<channel>[^/]+)
  """, re.VERBOSE)
  
  _room_id_schema = validate.Schema(
      {
          "data": validate.any(None, {
              "room_id": int
          })
      },
      validate.get("data")
  )
  
  
  class Bilibili(Plugin):
      @classmethod
      def can_handle_url(self, url):
          return _url_re.match(url)
  
      @classmethod
      def stream_weight(cls, stream):
          if stream in STREAM_WEIGHTS:
              return STREAM_WEIGHTS[stream], "Bilibili"
  
          return Plugin.stream_weight(stream)
  
      def _get_streams(self):
          http.mount('https://', HTTPAdapter(max_retries=99))
          http.headers.update({'user-agent': useragents.CHROME})
          match = _url_re.match(self.url)
          channel = match.group("channel")
          res_room_id = http.get(ROOM_API.format(channel))
          room_id_json = http.json(res_room_id, schema=_room_id_schema)
          room_id = room_id_json['room_id']
  
          ts = int(time.time() / 60)
          sign = hashlib.md5(("{0}{1}".format(channel, API_SECRET, ts)).encode("utf-8")).hexdigest()
  
          res = http.get(API_URL.format(room_id, sign))
          room = http.json(res)
          if not room:
              return
  
          for stream_list in room["durl"]:
              name = "source"
              url = stream_list["url"]
              stream = HTTPStream(self.session, url)
              yield name, stream
  
  
  __plugin__ = Bilibili
  
new_contents: import hashlib
  import re
  import time
  
  from requests.adapters import HTTPAdapter
  from streamlink.plugin import Plugin
  from streamlink.plugin.api import http, validate, useragents
  from streamlink.stream import HTTPStream
  
  API_URL = "http://live.bilibili.com/api/playurl?cid={0}&player=1&quality=0&sign={1}&otype=json"
  ROOM_API = "https://api.live.bilibili.com/room/v1/Room/room_init?id={}"
  API_SECRET = "95acd7f6cc3392f3"
  SHOW_STATUS_OFFLINE = 0
  SHOW_STATUS_ONLINE = 1
  SHOW_STATUS_ROUND = 2
  STREAM_WEIGHTS = {
      "source": 1080
  }
  
  _url_re = re.compile(r"""
      http(s)?://live.bilibili.com
      /(?P<channel>[^/]+)
  """, re.VERBOSE)
  
  _room_id_schema = validate.Schema(
      {
          "data": validate.any(None, {
              "room_id": int,
              "live_status": int
          })
      },
      validate.get("data")
  )
  
  
  class Bilibili(Plugin):
      @classmethod
      def can_handle_url(self, url):
          return _url_re.match(url)
  
      @classmethod
      def stream_weight(cls, stream):
          if stream in STREAM_WEIGHTS:
              return STREAM_WEIGHTS[stream], "Bilibili"
  
          return Plugin.stream_weight(stream)
  
      def _get_streams(self):
          http.mount('https://', HTTPAdapter(max_retries=99))
          http.headers.update({'user-agent': useragents.CHROME})
          match = _url_re.match(self.url)
          channel = match.group("channel")
          res_room_id = http.get(ROOM_API.format(channel))
          room_id_json = http.json(res_room_id, schema=_room_id_schema)
          room_id = room_id_json['room_id']
          if room_id_json['live_status'] != SHOW_STATUS_ONLINE:
              return
  
          ts = int(time.time() / 60)
          sign = hashlib.md5(("{0}{1}".format(channel, API_SECRET, ts)).encode("utf-8")).hexdigest()
  
          res = http.get(API_URL.format(room_id, sign))
          room = http.json(res)
          if not room:
              return
  
          for stream_list in room["durl"]:
              name = "source"
              url = stream_list["url"]
              stream = HTTPStream(self.session, url)
              yield name, stream
  
  
  __plugin__ = Bilibili
  
subject: fix checking live status