0b61ea0ba60218043156d4f90680ff0348e827c7
[youtube-dl] / 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         }