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[youtubedl] / youtube_dl / extractor / eighttracks.py
1 # coding: utf-8
2 from __future__ import unicode_literals
3
4 import json
5 import random
6
7 from .common import InfoExtractor
8 from ..compat import (
9 compat_str,
10 )
11 from ..utils import (
12 ExtractorError,
13 )
14
15
16 class EightTracksIE(InfoExtractor):
17 IE_NAME = '8tracks'
18 _VALID_URL = r'https?://8tracks\.com/(?P<user>[^/]+)/(?P<id>[^/#]+)(?:#.*)?$'
19 _TEST = {
20 'name': 'EightTracks',
21 'url': 'http://8tracks.com/ytdl/youtube-dl-test-tracks-a',
22 'info_dict': {
23 'id': '1336550',
24 'display_id': 'youtube-dl-test-tracks-a',
25 'description': "test chars: \"'/\\ä↭",
26 'title': "youtube-dl test tracks \"'/\\ä↭<>",
27 },
28 'playlist': [
29 {
30 'md5': '96ce57f24389fc8734ce47f4c1abcc55',
31 'info_dict': {
32 'id': '11885610',
33 'ext': 'm4a',
34 'title': "youtue-dl project<>\"' - youtube-dl test track 1 \"'/\\\u00e4\u21ad",
35 'uploader_id': 'ytdl'
36 }
37 },
38 {
39 'md5': '4ab26f05c1f7291ea460a3920be8021f',
40 'info_dict': {
41 'id': '11885608',
42 'ext': 'm4a',
43 'title': "youtube-dl project - youtube-dl test track 2 \"'/\\\u00e4\u21ad",
44 'uploader_id': 'ytdl'
45 }
46 },
47 {
48 'md5': 'd30b5b5f74217410f4689605c35d1fd7',
49 'info_dict': {
50 'id': '11885679',
51 'ext': 'm4a',
52 'title': "youtube-dl project as well - youtube-dl test track 3 \"'/\\\u00e4\u21ad",
53 'uploader_id': 'ytdl'
54 }
55 },
56 {
57 'md5': '4eb0a669317cd725f6bbd336a29f923a',
58 'info_dict': {
59 'id': '11885680',
60 'ext': 'm4a',
61 'title': "youtube-dl project as well - youtube-dl test track 4 \"'/\\\u00e4\u21ad",
62 'uploader_id': 'ytdl'
63 }
64 },
65 {
66 'md5': '1893e872e263a2705558d1d319ad19e8',
67 'info_dict': {
68 'id': '11885682',
69 'ext': 'm4a',
70 'title': "PH - youtube-dl test track 5 \"'/\\\u00e4\u21ad",
71 'uploader_id': 'ytdl'
72 }
73 },
74 {
75 'md5': 'b673c46f47a216ab1741ae8836af5899',
76 'info_dict': {
77 'id': '11885683',
78 'ext': 'm4a',
79 'title': "PH - youtube-dl test track 6 \"'/\\\u00e4\u21ad",
80 'uploader_id': 'ytdl'
81 }
82 },
83 {
84 'md5': '1d74534e95df54986da7f5abf7d842b7',
85 'info_dict': {
86 'id': '11885684',
87 'ext': 'm4a',
88 'title': "phihag - youtube-dl test track 7 \"'/\\\u00e4\u21ad",
89 'uploader_id': 'ytdl'
90 }
91 },
92 {
93 'md5': 'f081f47af8f6ae782ed131d38b9cd1c0',
94 'info_dict': {
95 'id': '11885685',
96 'ext': 'm4a',
97 'title': "phihag - youtube-dl test track 8 \"'/\\\u00e4\u21ad",
98 'uploader_id': 'ytdl'
99 }
100 }
101 ]
102 }
103
104 def _real_extract(self, url):
105 playlist_id = self._match_id(url)
106
107 webpage = self._download_webpage(url, playlist_id)
108
109 data = self._parse_json(
110 self._search_regex(
111 r"(?s)PAGE\.mix\s*=\s*({.+?});\n", webpage, 'trax information'),
112 playlist_id)
113
114 session = str(random.randint(0, 1000000000))
115 mix_id = data['id']
116 track_count = data['tracks_count']
117 duration = data['duration']
118 avg_song_duration = float(duration) / track_count
119 # duration is sometimes negative, use predefined avg duration
120 if avg_song_duration <= 0:
121 avg_song_duration = 300
122 first_url = 'http://8tracks.com/sets/%s/play?player=sm&mix_id=%s&format=jsonh' % (session, mix_id)
123 next_url = first_url
124 entries = []
125
126 for i in range(track_count):
127 api_json = None
128 download_tries = 0
129
130 while api_json is None:
131 try:
132 api_json = self._download_webpage(
133 next_url, playlist_id,
134 note='Downloading song information %d/%d' % (i + 1, track_count),
135 errnote='Failed to download song information')
136 except ExtractorError:
137 if download_tries > 3:
138 raise
139 else:
140 download_tries += 1
141 self._sleep(avg_song_duration, playlist_id)
142
143 api_data = json.loads(api_json)
144 track_data = api_data['set']['track']
145 info = {
146 'id': compat_str(track_data['id']),
147 'url': track_data['track_file_stream_url'],
148 'title': track_data['performer'] + ' - ' + track_data['name'],
149 'raw_title': track_data['name'],
150 'uploader_id': data['user']['login'],
151 'ext': 'm4a',
152 }
153 entries.append(info)
154
155 next_url = 'http://8tracks.com/sets/%s/next?player=sm&mix_id=%s&format=jsonh&track_id=%s' % (
156 session, mix_id, track_data['id'])
157 return {
158 '_type': 'playlist',
159 'entries': entries,
160 'id': compat_str(mix_id),
161 'display_id': playlist_id,
162 'title': data.get('name'),
163 'description': data.get('description'),
164 }