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