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

   1 # coding: utf-8
   2 from __future__ import unicode_literals
   3
   4 import re
   5
   6 from .adobepass import AdobePassIE
   7 from ..compat import compat_str
   8 from ..utils import (
   9     xpath_text,
  10     int_or_none,
  11     determine_ext,
  12     parse_duration,
  13     xpath_attr,
  14     update_url_query,
  15     ExtractorError,
  16     strip_or_none,
  17 )
  18
  19
  20 class TurnerBaseIE(AdobePassIE):
  21     _AKAMAI_SPE_TOKEN_CACHE = {}
  22
  23     def _extract_timestamp(self, video_data):
  24         return int_or_none(xpath_attr(video_data, 'dateCreated', 'uts'))
  25
  26     def _add_akamai_spe_token(self, tokenizer_src, video_url, content_id, ap_data):
  27         secure_path = self._search_regex(r'https?://[^/]+(.+/)', video_url, 'secure path') + '*'
  28         token = self._AKAMAI_SPE_TOKEN_CACHE.get(secure_path)
  29         if not token:
  30             query = {
  31                 'path': secure_path,
  32                 'videoId': content_id,
  33             }
  34             if ap_data.get('auth_required'):
  35                 query['accessToken'] = self._extract_mvpd_auth(ap_data['url'], content_id, ap_data['site_name'], ap_data['site_name'])
  36             auth = self._download_xml(
  37                 tokenizer_src, content_id, query=query)
  38             error_msg = xpath_text(auth, 'error/msg')
  39             if error_msg:
  40                 raise ExtractorError(error_msg, expected=True)
  41             token = xpath_text(auth, 'token')
  42             if not token:
  43                 return video_url
  44             self._AKAMAI_SPE_TOKEN_CACHE[secure_path] = token
  45         return video_url + '?hdnea=' + token
  46
  47     def _extract_cvp_info(self, data_src, video_id, path_data={}, ap_data={}):
  48         video_data = self._download_xml(data_src, video_id)
  49         video_id = video_data.attrib['id']
  50         title = xpath_text(video_data, 'headline', fatal=True)
  51         content_id = xpath_text(video_data, 'contentId') or video_id
  52         # rtmp_src = xpath_text(video_data, 'akamai/src')
  53         # if rtmp_src:
  54         #     splited_rtmp_src = rtmp_src.split(',')
  55         #     if len(splited_rtmp_src) == 2:
  56         #         rtmp_src = splited_rtmp_src[1]
  57         # aifp = xpath_text(video_data, 'akamai/aifp', default='')
  58
  59         urls = []
  60         formats = []
  61         rex = re.compile(
  62             r'(?P<width>[0-9]+)x(?P<height>[0-9]+)(?:_(?P<bitrate>[0-9]+))?')
  63         # Possible formats locations: files/file, files/groupFiles/files
  64         # and maybe others
  65         for video_file in video_data.findall('.//file'):
  66             video_url = video_file.text.strip()
  67             if not video_url:
  68                 continue
  69             ext = determine_ext(video_url)
  70             if video_url.startswith('/mp4:protected/'):
  71                 continue
  72                 # TODO Correct extraction for these files
  73                 # protected_path_data = path_data.get('protected')
  74                 # if not protected_path_data or not rtmp_src:
  75                 #     continue
  76                 # protected_path = self._search_regex(
  77                 #     r'/mp4:(.+)\.[a-z0-9]', video_url, 'secure path')
  78                 # auth = self._download_webpage(
  79                 #     protected_path_data['tokenizer_src'], query={
  80                 #         'path': protected_path,
  81                 #         'videoId': content_id,
  82                 #         'aifp': aifp,
  83                 #     })
  84                 # token = xpath_text(auth, 'token')
  85                 # if not token:
  86                 #     continue
  87                 # video_url = rtmp_src + video_url + '?' + token
  88             elif video_url.startswith('/secure/'):
  89                 secure_path_data = path_data.get('secure')
  90                 if not secure_path_data:
  91                     continue
  92                 video_url = self._add_akamai_spe_token(
  93                     secure_path_data['tokenizer_src'],
  94                     secure_path_data['media_src'] + video_url,
  95                     content_id, ap_data)
  96             elif not re.match('https?://', video_url):
  97                 base_path_data = path_data.get(ext, path_data.get('default', {}))
  98                 media_src = base_path_data.get('media_src')
  99                 if not media_src:
 100                     continue
 101                 video_url = media_src + video_url
 102             if video_url in urls:
 103                 continue
 104             urls.append(video_url)
 105             format_id = video_file.get('bitrate')
 106             if ext == 'smil':
 107                 formats.extend(self._extract_smil_formats(
 108                     video_url, video_id, fatal=False))
 109             elif ext == 'm3u8':
 110                 m3u8_formats = self._extract_m3u8_formats(
 111                     video_url, video_id, 'mp4',
 112                     m3u8_id=format_id or 'hls', fatal=False)
 113                 if '/secure/' in video_url and '?hdnea=' in video_url:
 114                     for f in m3u8_formats:
 115                         f['_seekable'] = False
 116                 formats.extend(m3u8_formats)
 117             elif ext == 'f4m':
 118                 formats.extend(self._extract_f4m_formats(
 119                     update_url_query(video_url, {'hdcore': '3.7.0'}),
 120                     video_id, f4m_id=format_id or 'hds', fatal=False))
 121             else:
 122                 f = {
 123                     'format_id': format_id,
 124                     'url': video_url,
 125                     'ext': ext,
 126                 }
 127                 mobj = rex.search(format_id + video_url)
 128                 if mobj:
 129                     f.update({
 130                         'width': int(mobj.group('width')),
 131                         'height': int(mobj.group('height')),
 132                         'tbr': int_or_none(mobj.group('bitrate')),
 133                     })
 134                 elif isinstance(format_id, compat_str):
 135                     if format_id.isdigit():
 136                         f['tbr'] = int(format_id)
 137                     else:
 138                         mobj = re.match(r'ios_(audio|[0-9]+)$', format_id)
 139                         if mobj:
 140                             if mobj.group(1) == 'audio':
 141                                 f.update({
 142                                     'vcodec': 'none',
 143                                     'ext': 'm4a',
 144                                 })
 145                             else:
 146                                 f['tbr'] = int(mobj.group(1))
 147                 formats.append(f)
 148         self._sort_formats(formats)
 149
 150         subtitles = {}
 151         for source in video_data.findall('closedCaptions/source'):
 152             for track in source.findall('track'):
 153                 track_url = track.get('url')
 154                 if not isinstance(track_url, compat_str) or track_url.endswith('/big'):
 155                     continue
 156                 lang = track.get('lang') or track.get('label') or 'en'
 157                 subtitles.setdefault(lang, []).append({
 158                     'url': track_url,
 159                     'ext': {
 160                         'scc': 'scc',
 161                         'webvtt': 'vtt',
 162                         'smptett': 'tt',
 163                     }.get(source.get('format'))
 164                 })
 165
 166         thumbnails = [{
 167             'id': image.get('cut'),
 168             'url': image.text,
 169             'width': int_or_none(image.get('width')),
 170             'height': int_or_none(image.get('height')),
 171         } for image in video_data.findall('images/image')]
 172
 173         is_live = xpath_text(video_data, 'isLive') == 'true'
 174
 175         return {
 176             'id': video_id,
 177             'title': self._live_title(title) if is_live else title,
 178             'formats': formats,
 179             'subtitles': subtitles,
 180             'thumbnails': thumbnails,
 181             'thumbnail': xpath_text(video_data, 'poster'),
 182             'description': strip_or_none(xpath_text(video_data, 'description')),
 183             'duration': parse_duration(xpath_text(video_data, 'length') or xpath_text(video_data, 'trt')),
 184             'timestamp': self._extract_timestamp(video_data),
 185             'upload_date': xpath_attr(video_data, 'metas', 'version'),
 186             'series': xpath_text(video_data, 'showTitle'),
 187             'season_number': int_or_none(xpath_text(video_data, 'seasonNumber')),
 188             'episode_number': int_or_none(xpath_text(video_data, 'episodeNumber')),
 189             'is_live': is_live,
 190         }