[8tracks] Modernize
[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 import re
7
8 from .common import InfoExtractor
9 from ..compat import (
10     compat_str,
11 )
12 from ..utils import (
13     ExtractorError,
14 )
15
16
17 class EightTracksIE(InfoExtractor):
18     IE_NAME = '8tracks'
19     _VALID_URL = r'https?://8tracks\.com/(?P<user>[^/]+)/(?P<id>[^/#]+)(?:#.*)?$'
20     _TEST = {
21         "name": "EightTracks",
22         "url": "http://8tracks.com/ytdl/youtube-dl-test-tracks-a",
23         "info_dict": {
24             'id': '1336550',
25             'display_id': 'youtube-dl-test-tracks-a',
26             "description": "test chars:  \"'/\\ä↭",
27             "title": "youtube-dl test tracks \"'/\\ä↭<>",
28         },
29         "playlist": [
30             {
31                 "md5": "96ce57f24389fc8734ce47f4c1abcc55",
32                 "info_dict": {
33                     "id": "11885610",
34                     "ext": "m4a",
35                     "title": "youtue-dl project<>\"' - youtube-dl test track 1 \"'/\\\u00e4\u21ad",
36                     "uploader_id": "ytdl"
37                 }
38             },
39             {
40                 "md5": "4ab26f05c1f7291ea460a3920be8021f",
41                 "info_dict": {
42                     "id": "11885608",
43                     "ext": "m4a",
44                     "title": "youtube-dl project - youtube-dl test track 2 \"'/\\\u00e4\u21ad",
45                     "uploader_id": "ytdl"
46                 }
47             },
48             {
49                 "md5": "d30b5b5f74217410f4689605c35d1fd7",
50                 "info_dict": {
51                     "id": "11885679",
52                     "ext": "m4a",
53                     "title": "youtube-dl project as well - youtube-dl test track 3 \"'/\\\u00e4\u21ad",
54                     "uploader_id": "ytdl"
55                 }
56             },
57             {
58                 "md5": "4eb0a669317cd725f6bbd336a29f923a",
59                 "info_dict": {
60                     "id": "11885680",
61                     "ext": "m4a",
62                     "title": "youtube-dl project as well - youtube-dl test track 4 \"'/\\\u00e4\u21ad",
63                     "uploader_id": "ytdl"
64                 }
65             },
66             {
67                 "md5": "1893e872e263a2705558d1d319ad19e8",
68                 "info_dict": {
69                     "id": "11885682",
70                     "ext": "m4a",
71                     "title": "PH - youtube-dl test track 5 \"'/\\\u00e4\u21ad",
72                     "uploader_id": "ytdl"
73                 }
74             },
75             {
76                 "md5": "b673c46f47a216ab1741ae8836af5899",
77                 "info_dict": {
78                     "id": "11885683",
79                     "ext": "m4a",
80                     "title": "PH - youtube-dl test track 6 \"'/\\\u00e4\u21ad",
81                     "uploader_id": "ytdl"
82                 }
83             },
84             {
85                 "md5": "1d74534e95df54986da7f5abf7d842b7",
86                 "info_dict": {
87                     "id": "11885684",
88                     "ext": "m4a",
89                     "title": "phihag - youtube-dl test track 7 \"'/\\\u00e4\u21ad",
90                     "uploader_id": "ytdl"
91                 }
92             },
93             {
94                 "md5": "f081f47af8f6ae782ed131d38b9cd1c0",
95                 "info_dict": {
96                     "id": "11885685",
97                     "ext": "m4a",
98                     "title": "phihag - youtube-dl test track 8 \"'/\\\u00e4\u21ad",
99                     "uploader_id": "ytdl"
100                 }
101             }
102         ]
103     }
104
105     def _real_extract(self, url):
106         playlist_id = self._match_id(url)
107
108         webpage = self._download_webpage(url, playlist_id)
109
110         data = self._parse_json(
111             self._search_regex(
112                 r"(?s)PAGE\.mix\s*=\s*({.+?});\n", webpage, 'trax information'),
113             playlist_id)
114
115         session = str(random.randint(0, 1000000000))
116         mix_id = data['id']
117         track_count = data['tracks_count']
118         duration = data['duration']
119         avg_song_duration = float(duration) / track_count
120         # duration is sometimes negative, use predefined avg duration
121         if avg_song_duration <= 0:
122             avg_song_duration = 300
123         first_url = 'http://8tracks.com/sets/%s/play?player=sm&mix_id=%s&format=jsonh' % (session, mix_id)
124         next_url = first_url
125         entries = []
126
127         for i in range(track_count):
128             api_json = None
129             download_tries = 0
130
131             while api_json is None:
132                 try:
133                     api_json = self._download_webpage(
134                         next_url, playlist_id,
135                         note='Downloading song information %d/%d' % (i + 1, track_count),
136                         errnote='Failed to download song information')
137                 except ExtractorError:
138                     if download_tries > 3:
139                         raise
140                     else:
141                         download_tries += 1
142                         self._sleep(avg_song_duration, playlist_id)
143
144             api_data = json.loads(api_json)
145             track_data = api_data['set']['track']
146             info = {
147                 'id': compat_str(track_data['id']),
148                 'url': track_data['track_file_stream_url'],
149                 'title': track_data['performer'] + ' - ' + track_data['name'],
150                 'raw_title': track_data['name'],
151                 'uploader_id': data['user']['login'],
152                 'ext': 'm4a',
153             }
154             entries.append(info)
155
156             next_url = 'http://8tracks.com/sets/%s/next?player=sm&mix_id=%s&format=jsonh&track_id=%s' % (
157                 session, mix_id, track_data['id'])
158         return {
159             '_type': 'playlist',
160             'entries': entries,
161             'id': compat_str(mix_id),
162             'display_id': playlist_id,
163             'title': data.get('name'),
164             'description': data.get('description'),
165         }