Fix "invalid escape sequences" error on Python 3.6
[youtube-dl] / youtube_dl / extractor / bilibili.py
1 # coding: utf-8
2 from __future__ import unicode_literals
3
4 import hashlib
5 import re
6
7 from .common import InfoExtractor
8 from ..compat import compat_parse_qs
9 from ..utils import (
10     int_or_none,
11     float_or_none,
12     unified_timestamp,
13     urlencode_postdata,
14 )
15
16
17 class BiliBiliIE(InfoExtractor):
18     _VALID_URL = r'https?://(?:www\.|bangumi\.|)bilibili\.(?:tv|com)/(?:video/av|anime/v/)(?P<id>\d+)'
19
20     _TEST = {
21         'url': 'http://www.bilibili.tv/video/av1074402/',
22         'md5': '9fa226fe2b8a9a4d5a69b4c6a183417e',
23         'info_dict': {
24             'id': '1074402',
25             'ext': 'mp4',
26             'title': '【金坷垃】金泡沫',
27             'description': 'md5:ce18c2a2d2193f0df2917d270f2e5923',
28             'duration': 308.315,
29             'timestamp': 1398012660,
30             'upload_date': '20140420',
31             'thumbnail': r're:^https?://.+\.jpg',
32             'uploader': '菊子桑',
33             'uploader_id': '156160',
34         },
35     }
36
37     _APP_KEY = '6f90a59ac58a4123'
38     _BILIBILI_KEY = '0bfd84cc3940035173f35e6777508326'
39
40     def _real_extract(self, url):
41         video_id = self._match_id(url)
42         webpage = self._download_webpage(url, video_id)
43
44         if 'anime/v' not in url:
45             cid = compat_parse_qs(self._search_regex(
46                 [r'EmbedPlayer\([^)]+,\s*"([^"]+)"\)',
47                  r'<iframe[^>]+src="https://secure\.bilibili\.com/secure,([^"]+)"'],
48                 webpage, 'player parameters'))['cid'][0]
49         else:
50             js = self._download_json(
51                 'http://bangumi.bilibili.com/web_api/get_source', video_id,
52                 data=urlencode_postdata({'episode_id': video_id}),
53                 headers={'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8'})
54             cid = js['result']['cid']
55
56         payload = 'appkey=%s&cid=%s&otype=json&quality=2&type=mp4' % (self._APP_KEY, cid)
57         sign = hashlib.md5((payload + self._BILIBILI_KEY).encode('utf-8')).hexdigest()
58
59         video_info = self._download_json(
60             'http://interface.bilibili.com/playurl?%s&sign=%s' % (payload, sign),
61             video_id, note='Downloading video info page')
62
63         entries = []
64
65         for idx, durl in enumerate(video_info['durl']):
66             formats = [{
67                 'url': durl['url'],
68                 'filesize': int_or_none(durl['size']),
69             }]
70             for backup_url in durl.get('backup_url', []):
71                 formats.append({
72                     'url': backup_url,
73                     # backup URLs have lower priorities
74                     'preference': -2 if 'hd.mp4' in backup_url else -3,
75                 })
76
77             self._sort_formats(formats)
78
79             entries.append({
80                 'id': '%s_part%s' % (video_id, idx),
81                 'duration': float_or_none(durl.get('length'), 1000),
82                 'formats': formats,
83             })
84
85         title = self._html_search_regex('<h1[^>]+title="([^"]+)">', webpage, 'title')
86         description = self._html_search_meta('description', webpage)
87         timestamp = unified_timestamp(self._html_search_regex(
88             r'<time[^>]+datetime="([^"]+)"', webpage, 'upload time', fatal=False))
89         thumbnail = self._html_search_meta(['og:image', 'thumbnailUrl'], webpage)
90
91         # TODO 'view_count' requires deobfuscating Javascript
92         info = {
93             'id': video_id,
94             'title': title,
95             'description': description,
96             'timestamp': timestamp,
97             'thumbnail': thumbnail,
98             'duration': float_or_none(video_info.get('timelength'), scale=1000),
99         }
100
101         uploader_mobj = re.search(
102             r'<a[^>]+href="https?://space\.bilibili\.com/(?P<id>\d+)"[^>]+title="(?P<name>[^"]+)"',
103             webpage)
104         if uploader_mobj:
105             info.update({
106                 'uploader': uploader_mobj.group('name'),
107                 'uploader_id': uploader_mobj.group('id'),
108             })
109
110         for entry in entries:
111             entry.update(info)
112
113         if len(entries) == 1:
114             return entries[0]
115         else:
116             for idx, entry in enumerate(entries):
117                 entry['id'] = '%s_part%d' % (video_id, (idx + 1))
118
119             return {
120                 '_type': 'multi_video',
121                 'id': video_id,
122                 'title': title,
123                 'description': description,
124                 'entries': entries,
125             }