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[youtubedl] / 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 }