content: # coding: utf-8
  from __future__ import unicode_literals
  
  from .common import InfoExtractor
  from ..utils import (
      int_or_none,
      float_or_none,
      unified_strdate,
  )
  
  
  class WSJIE(InfoExtractor):
      _VALID_URL = r'''(?x)
                          (?:
                              https?://video-api\.wsj\.com/api-video/player/iframe\.html\?.*?\bguid=|
                              https?://(?:www\.)?wsj\.com/video/[^/]+/|
                              wsj:
                          )
                          (?P<id>[a-fA-F0-9-]{36})
                      '''
      IE_DESC = 'Wall Street Journal'
      _TESTS = [{
          'url': 'http://video-api.wsj.com/api-video/player/iframe.html?guid=1BD01A4C-BFE8-40A5-A42F-8A8AF9898B1A',
          'md5': 'e230a5bb249075e40793b655a54a02e4',
          'info_dict': {
              'id': '1BD01A4C-BFE8-40A5-A42F-8A8AF9898B1A',
              'ext': 'mp4',
              'upload_date': '20150202',
              'uploader_id': 'jdesai',
              'creator': 'jdesai',
              'categories': list,  # a long list
              'duration': 90,
              'title': 'Bills Coach Rex Ryan Updates His Old Jets Tattoo',
          },
      }, {
          'url': 'http://www.wsj.com/video/can-alphabet-build-a-smarter-city/359DDAA8-9AC1-489C-82E6-0429C1E430E0.html',
          'only_matching': True,
      }]
  
      def _real_extract(self, url):
          video_id = self._match_id(url)
  
          info = self._download_json(
              'http://video-api.wsj.com/api-video/find_all_videos.asp', video_id,
              query={
                  'type': 'guid',
                  'count': 1,
                  'query': video_id,
                  'fields': ','.join((
                      'type', 'hls', 'videoMP4List', 'thumbnailList', 'author',
                      'description', 'name', 'duration', 'videoURL', 'titletag',
                      'formattedCreationDate', 'keywords', 'editor')),
              })['items'][0]
          title = info.get('name', info.get('titletag'))
  
          formats = []
  
          f4m_url = info.get('videoURL')
          if f4m_url:
              formats.extend(self._extract_f4m_formats(
                  f4m_url, video_id, f4m_id='hds', fatal=False))
  
          m3u8_url = info.get('hls')
          if m3u8_url:
              formats.extend(self._extract_m3u8_formats(
                  info['hls'], video_id, ext='mp4',
                  entry_protocol='m3u8_native', m3u8_id='hls', fatal=False))
  
          for v in info.get('videoMP4List', []):
              mp4_url = v.get('url')
              if not mp4_url:
                  continue
              tbr = int_or_none(v.get('bitrate'))
              formats.append({
                  'url': mp4_url,
                  'format_id': 'http' + ('-%d' % tbr if tbr else ''),
                  'tbr': tbr,
                  'width': int_or_none(v.get('width')),
                  'height': int_or_none(v.get('height')),
                  'fps': float_or_none(v.get('fps')),
              })
          self._sort_formats(formats)
  
          return {
              'id': video_id,
              'formats': formats,
              # Thumbnails are conveniently in the correct format already
              'thumbnails': info.get('thumbnailList'),
              'creator': info.get('author'),
              'uploader_id': info.get('editor'),
              'duration': int_or_none(info.get('duration')),
              'upload_date': unified_strdate(info.get(
                  'formattedCreationDate'), day_first=False),
              'title': title,
              'categories': info.get('keywords'),
          }
  
  
  class WSJArticleIE(InfoExtractor):
      _VALID_URL = r'(?i)https?://(?:www\.)?wsj\.com/articles/(?P<id>[^/?#&]+)'
      _TEST = {
          'url': 'https://www.wsj.com/articles/dont-like-china-no-pandas-for-you-1490366939?',
          'info_dict': {
              'id': '4B13FA62-1D8C-45DB-8EA1-4105CB20B362',
              'ext': 'mp4',
              'upload_date': '20170221',
              'uploader_id': 'ralcaraz',
              'title': 'Bao Bao the Panda Leaves for China',
          }
      }
  
      def _real_extract(self, url):
          article_id = self._match_id(url)
          webpage = self._download_webpage(url, article_id)
          video_id = self._search_regex(
              r'data-src=["\']([a-fA-F0-9-]{36})', webpage, 'video id')
          return self.url_result('wsj:%s' % video_id, WSJIE.ie_key(), video_id)
  