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     _API_URL = 'http://fast.wistia.com/embed/medias/%s.json'
  17     _IFRAME_URL = 'http://fast.wistia.net/embed/iframe/%s'
  18
  19     _TESTS = [{
  20         'url': 'http://fast.wistia.net/embed/iframe/sh7fpupwlt',
  21         'md5': 'cafeb56ec0c53c18c97405eecb3133df',
  22         'info_dict': {
  23             'id': 'sh7fpupwlt',
  24             'ext': 'mov',
  25             'title': 'Being Resourceful',
  26             'description': 'a Clients From Hell Video Series video from worldwidewebhosting',
  27             'upload_date': '20131204',
  28             'timestamp': 1386185018,
  29             'duration': 117,
  30         },
  31     }, {
  32         'url': 'wistia:sh7fpupwlt',
  33         'only_matching': True,
  34     }, {
  35         # with hls video
  36         'url': 'wistia:807fafadvk',
  37         'only_matching': True,
  38     }, {
  39         'url': 'http://fast.wistia.com/embed/iframe/sh7fpupwlt',
  40         'only_matching': True,
  41     }, {
  42         'url': 'http://fast.wistia.net/embed/medias/sh7fpupwlt.json',
  43         'only_matching': True,
  44     }]
  45
  46     # https://wistia.com/support/embed-and-share/video-on-your-website
  47     @staticmethod
  48     def _extract_url(webpage):
  49         match = re.search(
  50             r'<(?:meta[^>]+?content|(?:iframe|script)[^>]+?src)=["\'](?P<url>(?:https?:)?//(?:fast\.)?wistia\.(?:net|com)/embed/(?:iframe|medias)/[a-z0-9]{10})', webpage)
  51         if match:
  52             return unescapeHTML(match.group('url'))
  53
  54         match = re.search(
  55             r'''(?sx)
  56                 <script[^>]+src=(["'])(?:https?:)?//fast\.wistia\.com/assets/external/E-v1\.js\1[^>]*>.*?
  57                 <div[^>]+class=(["']).*?\bwistia_async_(?P<id>[a-z0-9]{10})\b.*?\2
  58             ''', webpage)
  59         if match:
  60             return 'wistia:%s' % match.group('id')
  61
  62         match = re.search(r'(?:data-wistia-?id=["\']|Wistia\.embed\(["\']|id=["\']wistia_)(?P<id>[a-z0-9]{10})', webpage)
  63         if match:
  64             return 'wistia:%s' % match.group('id')
  65
  66     def _real_extract(self, url):
  67         video_id = self._match_id(url)
  68
  69         data_json = self._download_json(
  70             self._API_URL % video_id, video_id,
  71             # Some videos require this.
  72             headers={
  73                 'Referer': url if url.startswith('http') else self._IFRAME_URL % 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                 })
  99             else:
 100                 aext = a.get('ext')
 101                 is_m3u8 = a.get('container') == 'm3u8' or aext == 'm3u8'
 102                 formats.append({
 103                     'format_id': atype,
 104                     'url': aurl,
 105                     'tbr': int_or_none(a.get('bitrate')),
 106                     'vbr': int_or_none(a.get('opt_vbitrate')),
 107                     'width': int_or_none(a.get('width')),
 108                     'height': int_or_none(a.get('height')),
 109                     'filesize': int_or_none(a.get('size')),
 110                     'vcodec': a.get('codec'),
 111                     'container': a.get('container'),
 112                     'ext': 'mp4' if is_m3u8 else aext,
 113                     'protocol': 'm3u8' if is_m3u8 else None,
 114                     'preference': 1 if atype == 'original' else None,
 115                 })
 116
 117         self._sort_formats(formats)
 118
 119         return {
 120             'id': video_id,
 121             'title': title,
 122             'description': data.get('seoDescription'),
 123             'formats': formats,
 124             'thumbnails': thumbnails,
 125             'duration': float_or_none(data.get('duration')),
 126             'timestamp': int_or_none(data.get('createdAt')),
 127         }