old_contents: #!/usr/bin/env python
  
  __all__ = ['douyutv_download']
  
  from ..common import *
  import json
  import hashlib
  import time
  import uuid
  import urllib.parse, urllib.request
  
  def douyutv_download(url, output_dir = '.', merge = True, info_only = False, **kwargs):
      html = get_content(url)
      room_id_patt = r'"room_id"\s*:\s*(\d+),'
      room_id = match1(html, room_id_patt)
      if room_id == "0":
          room_id = url[url.rfind('/')+1:]
  
      json_request_url = "http://m.douyu.com/html5/live?roomId=%s" % room_id
      content = get_content(json_request_url)
      data = json.loads(content)['data']
      server_status = data.get('error',0)
      if server_status is not 0:
          raise ValueError("Server returned error:%s" % server_status)
  
      title = data.get('room_name')
      show_status = data.get('show_status')
      if show_status is not "1":
          raise ValueError("The live stream is not online! (Errno:%s)" % server_status)
  
      tt = int(time.time() / 60)
      did = uuid.uuid4().hex.upper()
      sign_content = '{room_id}{did}A12Svb&%1UUmf@hC{tt}'.format(room_id = room_id, did = did, tt = tt)
      sign = hashlib.md5(sign_content.encode('utf-8')).hexdigest()
  
      json_request_url = "http://www.douyu.com/lapi/live/getPlay/%s" % room_id
      payload = {'cdn': 'ws', 'rate': '0', 'tt': tt, 'did': did, 'sign': sign}
      postdata = urllib.parse.urlencode(payload)
      req = urllib.request.Request(json_request_url, postdata.encode('utf-8'))
      with urllib.request.urlopen(req) as response:
          content = response.read()
  
      data = json.loads(content.decode('utf-8'))['data']
      server_status = data.get('error',0)
      if server_status is not 0:
          raise ValueError("Server returned error:%s" % server_status)
  
      real_url = data.get('rtmp_url')+'/'+data.get('rtmp_live')
  
      print_info(site_info, title, 'flv', float('inf'))
      if not info_only:
          download_url_ffmpeg(real_url, title, 'flv', None, output_dir = output_dir, merge = merge)
  
  site_info = "douyu.com"
  download = douyutv_download
  download_playlist = playlist_not_supported('douyu')
  
new_contents: #!/usr/bin/env python
  
  __all__ = ['douyutv_download']
  
  from ..common import *
  import json
  import hashlib
  import time
  
  def douyutv_download(url, output_dir = '.', merge = True, info_only = False, **kwargs):
      html = get_content(url)
      room_id_patt = r'"room_id"\s*:\s*(\d+),'
      room_id = match1(html, room_id_patt)
      if room_id == "0":
          room_id = url[url.rfind('/')+1:]
  
      json_request_url = "http://m.douyu.com/html5/live?roomId=%s" % room_id
      content = get_content(json_request_url)
      data = json.loads(content)['data']
      server_status = data.get('error',0)
      if server_status is not 0:
          raise ValueError("Server returned error:%s" % server_status)
  
      title = data.get('room_name')
      show_status = data.get('show_status')
      if show_status is not "1":
          raise ValueError("The live stream is not online! (Errno:%s)" % server_status)
  
      tt = int(time.time())
      sign_content = 'lapi/live/thirdPart/getPlay/%s?aid=pcclient&rate=0&time=%s9TUk5fjjUjg9qIMH3sdnh' % (room_id, tt)
      sign = hashlib.md5(sign_content.encode('ascii')).hexdigest()
  
      json_request_url = "http://coapi.douyucdn.cn/lapi/live/thirdPart/getPlay/%s?rate=0" % room_id
      headers = {'auth': sign, 'time': str(tt), 'aid': 'pcclient'}
      content = get_content(json_request_url, headers = headers)
      data = json.loads(content)['data']
      server_status = data.get('error',0)
      if server_status is not 0:
          raise ValueError("Server returned error:%s" % server_status)
  
      real_url = data.get('live_url')
  
      print_info(site_info, title, 'flv', float('inf'))
      if not info_only:
          download_url_ffmpeg(real_url, title, 'flv', None, output_dir = output_dir, merge = merge)
  
  site_info = "douyu.com"
  download = douyutv_download
  download_playlist = playlist_not_supported('douyu')
  
subject: use new api