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[youtube-dl] / youtube_dl / extractor / nobelprize.py
1 # coding: utf-8
2 from __future__ import unicode_literals
3
4 from .common import InfoExtractor
5 from ..utils import (
6     js_to_json,
7     mimetype2ext,
8     determine_ext,
9     update_url_query,
10     get_element_by_attribute,
11     int_or_none,
12 )
13
14
15 class NobelPrizeIE(InfoExtractor):
16     _VALID_URL = r'https?://(?:www\.)?nobelprize\.org/mediaplayer.*?\bid=(?P<id>\d+)'
17     _TEST = {
18         'url': 'http://www.nobelprize.org/mediaplayer/?id=2636',
19         'md5': '04c81e5714bb36cc4e2232fee1d8157f',
20         'info_dict': {
21             'id': '2636',
22             'ext': 'mp4',
23             'title': 'Announcement of the 2016 Nobel Prize in Physics',
24             'description': 'md5:05beba57f4f5a4bbd4cf2ef28fcff739',
25         }
26     }
27
28     def _real_extract(self, url):
29         video_id = self._match_id(url)
30         webpage = self._download_webpage(url, video_id)
31         media = self._parse_json(self._search_regex(
32             r'(?s)var\s*config\s*=\s*({.+?});', webpage,
33             'config'), video_id, js_to_json)['media']
34         title = media['title']
35
36         formats = []
37         for source in media.get('source', []):
38             source_src = source.get('src')
39             if not source_src:
40                 continue
41             ext = mimetype2ext(source.get('type')) or determine_ext(source_src)
42             if ext == 'm3u8':
43                 formats.extend(self._extract_m3u8_formats(
44                     source_src, video_id, 'mp4', 'm3u8_native',
45                     m3u8_id='hls', fatal=False))
46             elif ext == 'f4m':
47                 formats.extend(self._extract_f4m_formats(
48                     update_url_query(source_src, {'hdcore': '3.7.0'}),
49                     video_id, f4m_id='hds', fatal=False))
50             else:
51                 formats.append({
52                     'url': source_src,
53                 })
54         self._sort_formats(formats)
55
56         return {
57             'id': video_id,
58             'title': title,
59             'description': get_element_by_attribute('itemprop', 'description', webpage),
60             'duration': int_or_none(media.get('duration')),
61             'formats': formats,
62         }