old_contents: # coding=utf-8
  
  import re
  import json
  
  from ..common import (
      url_size,
      print_info,
      get_content,
      fake_headers,
      download_urls,
      playlist_not_supported,
  )
  
  
  __all__ = ['douyin_download_by_url']
  
  
  def douyin_download_by_url(url, **kwargs):
      page_content = get_content(url, headers=fake_headers)
      match_rule = re.compile(r'var data = \[(.*?)\];')
      video_info = json.loads(match_rule.findall(page_content)[0])
      video_url = video_info['video']['play_addr']['url_list'][0]
      title = video_info['cha_list'][0]['cha_name']
      video_format = 'mp4'
      size = url_size(video_url, faker=True)
      print_info(
          site_info='douyin.com', title=title,
          type=video_format, size=size
      )
      if not kwargs['info_only']:
          download_urls(
              urls=[video_url], title=title, ext=video_format, total_size=size,
              faker=True,
              **kwargs
          )
  
  
  download = douyin_download_by_url
  download_playlist = playlist_not_supported('douyin')
  
new_contents: # coding=utf-8
  
  import re
  import json
  
  from ..common import (
      url_size,
      print_info,
      get_content,
      fake_headers,
      download_urls,
      playlist_not_supported,
  )
  
  
  __all__ = ['douyin_download_by_url']
  
  
  def douyin_download_by_url(url, **kwargs):
      page_content = get_content(url, headers=fake_headers)
      match_rule = re.compile(r'var data = \[(.*?)\];')
      video_info = json.loads(match_rule.findall(page_content)[0])
      video_url = video_info['video']['play_addr']['url_list'][0]
      # fix: https://www.douyin.com/share/video/6553248251821165832
      # if there is no title, use desc
      cha_list = video_info['cha_list']
      if cha_list:
          title = cha_list[0]['cha_name']
      else:
          title = video_info['desc']
      video_format = 'mp4'
      size = url_size(video_url, faker=True)
      print_info(
          site_info='douyin.com', title=title,
          type=video_format, size=size
      )
      if not kwargs['info_only']:
          download_urls(
              urls=[video_url], title=title, ext=video_format, total_size=size,
              faker=True,
              **kwargs
          )
  
  
  download = douyin_download_by_url
  download_playlist = playlist_not_supported('douyin')
  
subject: fix if there is not title, you-get cannot works well https://www.douyin.com/share/video/6553248251821165832