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[youtube-dl] / youtube_dl / extractor / twitter.py
1 from __future__ import unicode_literals
2
3 import re
4
5 from .common import InfoExtractor
6 from ..compat import compat_urllib_request
7 from ..utils import (
8     float_or_none,
9     unescapeHTML,
10 )
11
12
13 class TwitterCardIE(InfoExtractor):
14     _VALID_URL = r'https?://(?:www\.)?twitter\.com/i/cards/tfw/v1/(?P<id>\d+)'
15     _TEST = {
16         'url': 'https://twitter.com/i/cards/tfw/v1/560070183650213889',
17         'md5': 'a74f50b310c83170319ba16de6955192',
18         'info_dict': {
19             'id': '560070183650213889',
20             'ext': 'mp4',
21             'title': 'TwitterCard',
22             'thumbnail': 're:^https?://.*\.jpg$',
23             'duration': 30.033,
24         },
25     }
26
27     def _real_extract(self, url):
28         video_id = self._match_id(url)
29
30         # Different formats served for different User-Agents
31         USER_AGENTS = [
32             'Mozilla/5.0 (X11; Linux x86_64; rv:10.0) Gecko/20150101 Firefox/20.0 (Chrome)',  # mp4
33             'Mozilla/5.0 (Windows NT 5.2; WOW64; rv:38.0) Gecko/20100101 Firefox/38.0',  # webm
34         ]
35
36         config = None
37         formats = []
38         for user_agent in USER_AGENTS:
39             request = compat_urllib_request.Request(url)
40             request.add_header('User-Agent', user_agent)
41             webpage = self._download_webpage(request, video_id)
42
43             config = self._parse_json(
44                 unescapeHTML(self._search_regex(
45                     r'data-player-config="([^"]+)"', webpage, 'data player config')),
46                 video_id)
47
48             video_url = config['playlist'][0]['source']
49
50             f = {
51                 'url': video_url,
52             }
53
54             m = re.search(r'/(?P<width>\d+)x(?P<height>\d+)/', video_url)
55             if m:
56                 f.update({
57                     'width': int(m.group('width')),
58                     'height': int(m.group('height')),
59                 })
60             formats.append(f)
61         self._sort_formats(formats)
62
63         thumbnail = config.get('posterImageUrl')
64         duration = float_or_none(config.get('duration'))
65
66         return {
67             'id': video_id,
68             'title': 'TwitterCard',
69             'thumbnail': thumbnail,
70             'duration': duration,
71             'formats': formats,
72         }