yt_dlp/extractor/hketv.py

   1 from .common import InfoExtractor
   2 from ..utils import (
   3     ExtractorError,
   4     clean_html,
   5     int_or_none,
   6     merge_dicts,
   7     parse_count,
   8     str_or_none,
   9     try_get,
  10     unified_strdate,
  11     urlencode_postdata,
  12     urljoin,
  13 )
  14
  15
  16 class HKETVIE(InfoExtractor):
  17     IE_NAME = 'hketv'
  18     IE_DESC = '香港教育局教育電視 (HKETV) Educational Television, Hong Kong Educational Bureau'
  19     _GEO_BYPASS = False
  20     _GEO_COUNTRIES = ['HK']
  21     _VALID_URL = r'https?://(?:www\.)?hkedcity\.net/etv/resource/(?P<id>[0-9]+)'
  22     _TESTS = [{
  23         'url': 'https://www.hkedcity.net/etv/resource/2932360618',
  24         'md5': 'f193712f5f7abb208ddef3c5ea6ed0b7',
  25         'info_dict': {
  26             'id': '2932360618',
  27             'ext': 'mp4',
  28             'title': '喜閱一生(共享閱讀樂) (中、英文字幕可供選擇)',
  29             'description': 'md5:d5286d05219ef50e0613311cbe96e560',
  30             'upload_date': '20181024',
  31             'duration': 900,
  32             'subtitles': 'count:2',
  33         },
  34         'skip': 'Geo restricted to HK',
  35     }, {
  36         'url': 'https://www.hkedcity.net/etv/resource/972641418',
  37         'md5': '1ed494c1c6cf7866a8290edad9b07dc9',
  38         'info_dict': {
  39             'id': '972641418',
  40             'ext': 'mp4',
  41             'title': '衣冠楚楚 (天使系列之一)',
  42             'description': 'md5:10bb3d659421e74f58e5db5691627b0f',
  43             'upload_date': '20070109',
  44             'duration': 907,
  45             'subtitles': {},
  46         },
  47         'skip': 'Geo restricted to HK',
  48     }]
  49
  50     _CC_LANGS = {
  51         '中文（繁體中文）': 'zh-Hant',
  52         '中文（简体中文）': 'zh-Hans',
  53         'English': 'en',
  54         'Bahasa Indonesia': 'id',
  55         '\u0939\u093f\u0928\u094d\u0926\u0940': 'hi',
  56         '\u0928\u0947\u092a\u093e\u0932\u0940': 'ne',
  57         'Tagalog': 'tl',
  58         '\u0e44\u0e17\u0e22': 'th',
  59         '\u0627\u0631\u062f\u0648': 'ur',
  60     }
  61     _FORMAT_HEIGHTS = {
  62         'SD': 360,
  63         'HD': 720,
  64     }
  65     _APPS_BASE_URL = 'https://apps.hkedcity.net'
  66
  67     def _real_extract(self, url):
  68         video_id = self._match_id(url)
  69         webpage = self._download_webpage(url, video_id)
  70
  71         title = (
  72             self._html_search_meta(
  73                 ('ed_title', 'search.ed_title'), webpage, default=None)
  74             or self._search_regex(
  75                 r'data-favorite_title_(?:eng|chi)=(["\'])(?P<id>(?:(?!\1).)+)\1',
  76                 webpage, 'title', default=None, group='url')
  77             or self._html_search_regex(
  78                 r'<h1>([^<]+)</h1>', webpage, 'title', default=None)
  79             or self._og_search_title(webpage)
  80         )
  81
  82         file_id = self._search_regex(
  83             r'post_var\[["\']file_id["\']\s*\]\s*=\s*(.+?);',
  84             webpage, 'file ID')
  85         curr_url = self._search_regex(
  86             r'post_var\[["\']curr_url["\']\s*\]\s*=\s*"(.+?)";',
  87             webpage, 'curr URL')
  88         data = {
  89             'action': 'get_info',
  90             'curr_url': curr_url,
  91             'file_id': file_id,
  92             'video_url': file_id,
  93         }
  94
  95         response = self._download_json(
  96             self._APPS_BASE_URL + '/media/play/handler.php', video_id,
  97             data=urlencode_postdata(data),
  98             headers=merge_dicts({
  99                 'Content-Type': 'application/x-www-form-urlencoded'},
 100                 self.geo_verification_headers()))
 101
 102         result = response['result']
 103
 104         if not response.get('success') or not response.get('access'):
 105             error = clean_html(response.get('access_err_msg'))
 106             if 'Video streaming is not available in your country' in error:
 107                 self.raise_geo_restricted(
 108                     msg=error, countries=self._GEO_COUNTRIES)
 109             else:
 110                 raise ExtractorError(error, expected=True)
 111
 112         formats = []
 113
 114         width = int_or_none(result.get('width'))
 115         height = int_or_none(result.get('height'))
 116
 117         playlist0 = result['playlist'][0]
 118         for fmt in playlist0['sources']:
 119             file_url = urljoin(self._APPS_BASE_URL, fmt.get('file'))
 120             if not file_url:
 121                 continue
 122             # If we ever wanted to provide the final resolved URL that
 123             # does not require cookies, albeit with a shorter lifespan:
 124             #     urlh = self._downloader.urlopen(file_url)
 125             #     resolved_url = urlh.url
 126             label = fmt.get('label')
 127             h = self._FORMAT_HEIGHTS.get(label)
 128             w = h * width // height if h and width and height else None
 129             formats.append({
 130                 'format_id': label,
 131                 'ext': fmt.get('type'),
 132                 'url': file_url,
 133                 'width': w,
 134                 'height': h,
 135             })
 136
 137         subtitles = {}
 138         tracks = try_get(playlist0, lambda x: x['tracks'], list) or []
 139         for track in tracks:
 140             if not isinstance(track, dict):
 141                 continue
 142             track_kind = str_or_none(track.get('kind'))
 143             if not track_kind or not isinstance(track_kind, str):
 144                 continue
 145             if track_kind.lower() not in ('captions', 'subtitles'):
 146                 continue
 147             track_url = urljoin(self._APPS_BASE_URL, track.get('file'))
 148             if not track_url:
 149                 continue
 150             track_label = track.get('label')
 151             subtitles.setdefault(self._CC_LANGS.get(
 152                 track_label, track_label), []).append({
 153                     'url': self._proto_relative_url(track_url),
 154                     'ext': 'srt',
 155                 })
 156
 157         # Likes
 158         emotion = self._download_json(
 159             'https://emocounter.hkedcity.net/handler.php', video_id,
 160             data=urlencode_postdata({
 161                 'action': 'get_emotion',
 162                 'data[bucket_id]': 'etv',
 163                 'data[identifier]': video_id,
 164             }),
 165             headers={'Content-Type': 'application/x-www-form-urlencoded'},
 166             fatal=False) or {}
 167         like_count = int_or_none(try_get(
 168             emotion, lambda x: x['data']['emotion_data'][0]['count']))
 169
 170         return {
 171             'id': video_id,
 172             'title': title,
 173             'description': self._html_search_meta(
 174                 'description', webpage, fatal=False),
 175             'upload_date': unified_strdate(self._html_search_meta(
 176                 'ed_date', webpage, fatal=False), day_first=False),
 177             'duration': int_or_none(result.get('length')),
 178             'formats': formats,
 179             'subtitles': subtitles,
 180             'thumbnail': urljoin(self._APPS_BASE_URL, result.get('image')),
 181             'view_count': parse_count(result.get('view_count')),
 182             'like_count': like_count,
 183         }