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[youtubedl] / youtube_dl / extractor / douyutv.py
1 # coding: utf-8
2 from __future__ import unicode_literals
3
4 import hashlib
5 import time
6 from .common import InfoExtractor
7 from ..utils import (ExtractorError, unescapeHTML)
8 from ..compat import (compat_str, compat_basestring)
9
10
11 class DouyuTVIE(InfoExtractor):
12 IE_DESC = '斗鱼'
13 _VALID_URL = r'https?://(?:www\.)?douyu(?:tv)?\.com/(?P<id>[A-Za-z0-9]+)'
14 _TESTS = [{
15 'url': 'http://www.douyutv.com/iseven',
16 'info_dict': {
17 'id': '17732',
18 'display_id': 'iseven',
19 'ext': 'flv',
20 'title': 're:^清晨醒脑!T-ara根本停不下来! [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
21 'description': 're:.*m7show@163\.com.*',
22 'thumbnail': 're:^https?://.*\.jpg$',
23 'uploader': '7师傅',
24 'uploader_id': '431925',
25 'is_live': True,
26 },
27 'params': {
28 'skip_download': True,
29 },
30 }, {
31 'url': 'http://www.douyutv.com/85982',
32 'info_dict': {
33 'id': '85982',
34 'display_id': '85982',
35 'ext': 'flv',
36 'title': 're:^小漠从零单排记!——CSOL2躲猫猫 [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
37 'description': 'md5:746a2f7a253966a06755a912f0acc0d2',
38 'thumbnail': 're:^https?://.*\.jpg$',
39 'uploader': 'douyu小漠',
40 'uploader_id': '3769985',
41 'is_live': True,
42 },
43 'params': {
44 'skip_download': True,
45 },
46 'skip': 'Room not found',
47 }, {
48 'url': 'http://www.douyutv.com/17732',
49 'info_dict': {
50 'id': '17732',
51 'display_id': '17732',
52 'ext': 'flv',
53 'title': 're:^清晨醒脑!T-ara根本停不下来! [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
54 'description': 're:.*m7show@163\.com.*',
55 'thumbnail': 're:^https?://.*\.jpg$',
56 'uploader': '7师傅',
57 'uploader_id': '431925',
58 'is_live': True,
59 },
60 'params': {
61 'skip_download': True,
62 },
63 }, {
64 'url': 'http://www.douyu.com/xiaocang',
65 'only_matching': True,
66 }]
67
68 def _real_extract(self, url):
69 video_id = self._match_id(url)
70
71 if video_id.isdigit():
72 room_id = video_id
73 else:
74 page = self._download_webpage(url, video_id)
75 room_id = self._html_search_regex(
76 r'"room_id"\s*:\s*(\d+),', page, 'room id')
77
78 config = None
79 # Douyu API sometimes returns error "Unable to load the requested class: eticket_redis_cache"
80 # Retry with different parameters - same parameters cause same errors
81 for i in range(5):
82 prefix = 'room/%s?aid=android&client_sys=android&time=%d' % (
83 room_id, int(time.time()))
84 auth = hashlib.md5((prefix + '1231').encode('ascii')).hexdigest()
85
86 config_page = self._download_webpage(
87 'http://www.douyutv.com/api/v1/%s&auth=%s' % (prefix, auth),
88 video_id)
89 try:
90 config = self._parse_json(config_page, video_id, fatal=False)
91 except ExtractorError:
92 # Wait some time before retrying to get a different time() value
93 self._sleep(1, video_id, msg_template='%(video_id)s: Error occurs. '
94 'Waiting for %(timeout)s seconds before retrying')
95 continue
96 else:
97 break
98 if config is None:
99 raise ExtractorError('Unable to fetch API result')
100
101 data = config['data']
102
103 error_code = config.get('error', 0)
104 if error_code is not 0:
105 error_desc = 'Server reported error %i' % error_code
106 if isinstance(data, (compat_str, compat_basestring)):
107 error_desc += ': ' + data
108 raise ExtractorError(error_desc, expected=True)
109
110 show_status = data.get('show_status')
111 # 1 = live, 2 = offline
112 if show_status == '2':
113 raise ExtractorError(
114 'Live stream is offline', expected=True)
115
116 base_url = data['rtmp_url']
117 live_path = data['rtmp_live']
118
119 title = self._live_title(unescapeHTML(data['room_name']))
120 description = data.get('show_details')
121 thumbnail = data.get('room_src')
122
123 uploader = data.get('nickname')
124 uploader_id = data.get('owner_uid')
125
126 multi_formats = data.get('rtmp_multi_bitrate')
127 if not isinstance(multi_formats, dict):
128 multi_formats = {}
129 multi_formats['live'] = live_path
130
131 formats = [{
132 'url': '%s/%s' % (base_url, format_path),
133 'format_id': format_id,
134 'preference': 1 if format_id == 'live' else 0,
135 } for format_id, format_path in multi_formats.items()]
136 self._sort_formats(formats)
137
138 return {
139 'id': room_id,
140 'display_id': video_id,
141 'title': title,
142 'description': description,
143 'thumbnail': thumbnail,
144 'uploader': uploader,
145 'uploader_id': uploader_id,
146 'formats': formats,
147 'is_live': True,
148 }