_ Git - youtube-dl/blob - youtube_dl/extractor/wistia.py

   1 from __future__ import unicode_literals
   2
   3 import re
   4
   5 from .common import InfoExtractor
   6 from ..utils import (
   7     ExtractorError,
   8     int_or_none,
   9     float_or_none,
  10     unescapeHTML,
  11 )
  12
  13
  14 class WistiaIE(InfoExtractor):
  15     _VALID_URL = r'(?:wistia:|https?://(?:fast\.)?wistia\.(?:net|com)/embed/(?:iframe|medias)/)(?P<id>[a-z0-9]{10})'
  16     _EMBED_BASE_URL = 'http://fast.wistia.com/embed/'
  17
  18     _TESTS = [{
  19         'url': 'http://fast.wistia.net/embed/iframe/sh7fpupwlt',
  20         'md5': 'cafeb56ec0c53c18c97405eecb3133df',
  21         'info_dict': {
  22             'id': 'sh7fpupwlt',
  23             'ext': 'mov',
  24             'title': 'Being Resourceful',
  25             'description': 'a Clients From Hell Video Series video from worldwidewebhosting',
  26             'upload_date': '20131204',
  27             'timestamp': 1386185018,
  28             'duration': 117,
  29         },
  30     }, {
  31         'url': 'wistia:sh7fpupwlt',
  32         'only_matching': True,
  33     }, {
  34         # with hls video
  35         'url': 'wistia:807fafadvk',
  36         'only_matching': True,
  37     }, {
  38         'url': 'http://fast.wistia.com/embed/iframe/sh7fpupwlt',
  39         'only_matching': True,
  40     }, {
  41         'url': 'http://fast.wistia.net/embed/medias/sh7fpupwlt.json',
  42         'only_matching': True,
  43     }]
  44
  45     # https://wistia.com/support/embed-and-share/video-on-your-website
  46     @staticmethod
  47     def _extract_url(webpage):
  48         urls = WistiaIE._extract_urls(webpage)
  49         return urls[0] if urls else None
  50
  51     @staticmethod
  52     def _extract_urls(webpage):
  53         urls = []
  54         for match in re.finditer(
  55                 r'<(?:meta[^>]+?content|(?:iframe|script)[^>]+?src)=["\'](?P<url>(?:https?:)?//(?:fast\.)?wistia\.(?:net|com)/embed/(?:iframe|medias)/[a-z0-9]{10})', webpage):
  56             urls.append(unescapeHTML(match.group('url')))
  57         for match in re.finditer(
  58                 r'''(?sx)
  59                     <div[^>]+class=(["']).*?\bwistia_async_(?P<id>[a-z0-9]{10})\b.*?\2
  60                 ''', webpage):
  61             urls.append('wistia:%s' % match.group('id'))
  62         for match in re.finditer(r'(?:data-wistia-?id=["\']|Wistia\.embed\(["\']|id=["\']wistia_)(?P<id>[a-z0-9]{10})', webpage):
  63             urls.append('wistia:%s' % match.group('id'))
  64         return urls
  65
  66     def _real_extract(self, url):
  67         video_id = self._match_id(url)
  68
  69         data_json = self._download_json(
  70             self._EMBED_BASE_URL + 'medias/%s.json' % video_id, video_id,
  71             # Some videos require this.
  72             headers={
  73                 'Referer': url if url.startswith('http') else self._EMBED_BASE_URL + 'iframe/' + video_id,
  74             })
  75
  76         if data_json.get('error'):
  77             raise ExtractorError(
  78                 'Error while getting the playlist', expected=True)
  79
  80         data = data_json['media']
  81         title = data['name']
  82
  83         formats = []
  84         thumbnails = []
  85         for a in data['assets']:
  86             aurl = a.get('url')
  87             if not aurl:
  88                 continue
  89             astatus = a.get('status')
  90             atype = a.get('type')
  91             if (astatus is not None and astatus != 2) or atype in ('preview', 'storyboard'):
  92                 continue
  93             elif atype in ('still', 'still_image'):
  94                 thumbnails.append({
  95                     'url': aurl,
  96                     'width': int_or_none(a.get('width')),
  97                     'height': int_or_none(a.get('height')),
  98                     'filesize': int_or_none(a.get('size')),
  99                 })
 100             else:
 101                 aext = a.get('ext')
 102                 display_name = a.get('display_name')
 103                 format_id = atype
 104                 if atype and atype.endswith('_video') and display_name:
 105                     format_id = '%s-%s' % (atype[:-6], display_name)
 106                 f = {
 107                     'format_id': format_id,
 108                     'url': aurl,
 109                     'tbr': int_or_none(a.get('bitrate')) or None,
 110                     'preference': 1 if atype == 'original' else None,
 111                 }
 112                 if display_name == 'Audio':
 113                     f.update({
 114                         'vcodec': 'none',
 115                     })
 116                 else:
 117                     f.update({
 118                         'width': int_or_none(a.get('width')),
 119                         'height': int_or_none(a.get('height')),
 120                         'vcodec': a.get('codec'),
 121                     })
 122                 if a.get('container') == 'm3u8' or aext == 'm3u8':
 123                     ts_f = f.copy()
 124                     ts_f.update({
 125                         'ext': 'ts',
 126                         'format_id': f['format_id'].replace('hls-', 'ts-'),
 127                         'url': f['url'].replace('.bin', '.ts'),
 128                     })
 129                     formats.append(ts_f)
 130                     f.update({
 131                         'ext': 'mp4',
 132                         'protocol': 'm3u8_native',
 133                     })
 134                 else:
 135                     f.update({
 136                         'container': a.get('container'),
 137                         'ext': aext,
 138                         'filesize': int_or_none(a.get('size')),
 139                     })
 140                 formats.append(f)
 141
 142         self._sort_formats(formats)
 143
 144         subtitles = {}
 145         for caption in data.get('captions', []):
 146             language = caption.get('language')
 147             if not language:
 148                 continue
 149             subtitles[language] = [{
 150                 'url': self._EMBED_BASE_URL + 'captions/' + video_id + '.vtt?language=' + language,
 151             }]
 152
 153         return {
 154             'id': video_id,
 155             'title': title,
 156             'description': data.get('seoDescription'),
 157             'formats': formats,
 158             'thumbnails': thumbnails,
 159             'duration': float_or_none(data.get('duration')),
 160             'timestamp': int_or_none(data.get('createdAt')),
 161             'subtitles': subtitles,
 162         }