Raphaël G. Git Repositories - youtubedl/blob - youtube_dl/extractor/amp.py

   1 # coding: utf-8
   2 from __future__ import unicode_literals
   3
   4 from .common import InfoExtractor
   5 from ..utils import (
   6     determine_ext,
   7     ExtractorError,
   8     int_or_none,
   9     mimetype2ext,
  10     parse_iso8601,
  11     url_or_none,
  12 )
  13
  14
  15 class AMPIE(InfoExtractor):
  16     # parse Akamai Adaptive Media Player feed
  17     def _extract_feed_info(self, url):
  18         feed = self._download_json(
  19             url, None, 'Downloading Akamai AMP feed',
  20             'Unable to download Akamai AMP feed')
  21         item = feed.get('channel', {}).get('item')
  22         if not item:
  23             raise ExtractorError('%s said: %s' % (self.IE_NAME, feed['error']))
  24
  25         video_id = item['guid']
  26
  27         def get_media_node(name, default=None):
  28             media_name = 'media-%s' % name
  29             media_group = item.get('media-group') or item
  30             return media_group.get(media_name) or item.get(media_name) or item.get(name, default)
  31
  32         thumbnails = []
  33         media_thumbnail = get_media_node('thumbnail')
  34         if media_thumbnail:
  35             if isinstance(media_thumbnail, dict):
  36                 media_thumbnail = [media_thumbnail]
  37             for thumbnail_data in media_thumbnail:
  38                 thumbnail = thumbnail_data.get('@attributes', {})
  39                 thumbnail_url = url_or_none(thumbnail.get('url'))
  40                 if not thumbnail_url:
  41                     continue
  42                 thumbnails.append({
  43                     'url': self._proto_relative_url(thumbnail_url, 'http:'),
  44                     'width': int_or_none(thumbnail.get('width')),
  45                     'height': int_or_none(thumbnail.get('height')),
  46                 })
  47
  48         subtitles = {}
  49         media_subtitle = get_media_node('subTitle')
  50         if media_subtitle:
  51             if isinstance(media_subtitle, dict):
  52                 media_subtitle = [media_subtitle]
  53             for subtitle_data in media_subtitle:
  54                 subtitle = subtitle_data.get('@attributes', {})
  55                 subtitle_href = url_or_none(subtitle.get('href'))
  56                 if not subtitle_href:
  57                     continue
  58                 subtitles.setdefault(subtitle.get('lang') or 'en', []).append({
  59                     'url': subtitle_href,
  60                     'ext': mimetype2ext(subtitle.get('type')) or determine_ext(subtitle_href),
  61                 })
  62
  63         formats = []
  64         media_content = get_media_node('content')
  65         if isinstance(media_content, dict):
  66             media_content = [media_content]
  67         for media_data in media_content:
  68             media = media_data.get('@attributes', {})
  69             media_url = url_or_none(media.get('url'))
  70             if not media_url:
  71                 continue
  72             ext = mimetype2ext(media.get('type')) or determine_ext(media_url)
  73             if ext == 'f4m':
  74                 formats.extend(self._extract_f4m_formats(
  75                     media_url + '?hdcore=3.4.0&plugin=aasp-3.4.0.132.124',
  76                     video_id, f4m_id='hds', fatal=False))
  77             elif ext == 'm3u8':
  78                 formats.extend(self._extract_m3u8_formats(
  79                     media_url, video_id, 'mp4', m3u8_id='hls', fatal=False))
  80             else:
  81                 formats.append({
  82                     'format_id': media_data.get('media-category', {}).get('@attributes', {}).get('label'),
  83                     'url': media_url,
  84                     'tbr': int_or_none(media.get('bitrate')),
  85                     'filesize': int_or_none(media.get('fileSize')),
  86                     'ext': ext,
  87                 })
  88
  89         self._sort_formats(formats)
  90
  91         timestamp = parse_iso8601(item.get('pubDate'), ' ') or parse_iso8601(item.get('dc-date'))
  92
  93         return {
  94             'id': video_id,
  95             'title': get_media_node('title'),
  96             'description': get_media_node('description'),
  97             'thumbnails': thumbnails,
  98             'timestamp': timestamp,
  99             'duration': int_or_none(media_content[0].get('@attributes', {}).get('duration')),
 100             'subtitles': subtitles,
 101             'formats': formats,
 102         }