1 from __future__ import unicode_literals
2
3 import re
4
5 from .common import InfoExtractor
6 from ..utils import int_or_none
7
8 # 22Tracks regularly replace the audio tracks that can be streamed on their
9 # site. The tracks usually expire after 1 months, so we can't add tests.
10
11
12 class TwentyTwoTracksIE(InfoExtractor):
13 _VALID_URL = r'https?://22tracks\.com/(?P<city>[a-z]+)/(?P<genre>[\da-z]+)/(?P<id>\d+)'
14 IE_NAME = '22tracks:track'
15
16 _API_BASE = 'http://22tracks.com/api'
17
18 def _extract_info(self, city, genre_name, track_id=None):
19 item_id = track_id if track_id else genre_name
20
21 cities = self._download_json(
22 '%s/cities' % self._API_BASE, item_id,
23 'Downloading cities info',
24 'Unable to download cities info')
25 city_id = [x['id'] for x in cities if x['slug'] == city][0]
26
27 genres = self._download_json(
28 '%s/genres/%s' % (self._API_BASE, city_id), item_id,
29 'Downloading %s genres info' % city,
30 'Unable to download %s genres info' % city)
31 genre = [x for x in genres if x['slug'] == genre_name][0]
32 genre_id = genre['id']
33
34 tracks = self._download_json(
35 '%s/tracks/%s' % (self._API_BASE, genre_id), item_id,
36 'Downloading %s genre tracks info' % genre_name,
37 'Unable to download track info')
38
39 return [x for x in tracks if x['id'] == item_id][0] if track_id else [genre['title'], tracks]
40
41 def _get_track_url(self, filename, track_id):
42 token = self._download_json(
43 'http://22tracks.com/token.php?desktop=true&u=/128/%s' % filename,
44 track_id, 'Downloading token', 'Unable to download token')
45 return 'http://audio.22tracks.com%s?st=%s&e=%d' % (token['filename'], token['st'], token['e'])
46
47 def _extract_track_info(self, track_info, track_id):
48 download_url = self._get_track_url(track_info['filename'], track_id)
49 title = '%s - %s' % (track_info['artist'].strip(), track_info['title'].strip())
50 return {
51 'id': track_id,
52 'url': download_url,
53 'ext': 'mp3',
54 'title': title,
55 'duration': int_or_none(track_info.get('duration')),
56 'timestamp': int_or_none(track_info.get('published_at') or track_info.get('created'))
57 }
58
59 def _real_extract(self, url):
60 mobj = re.match(self._VALID_URL, url)
61
62 city = mobj.group('city')
63 genre = mobj.group('genre')
64 track_id = mobj.group('id')
65
66 track_info = self._extract_info(city, genre, track_id)
67 return self._extract_track_info(track_info, track_id)
68
69
70 class TwentyTwoTracksGenreIE(TwentyTwoTracksIE):
71 _VALID_URL = r'https?://22tracks\.com/(?P<city>[a-z]+)/(?P<genre>[\da-z]+)/?$'
72 IE_NAME = '22tracks:genre'
73
74 def _real_extract(self, url):
75 mobj = re.match(self._VALID_URL, url)
76
77 city = mobj.group('city')
78 genre = mobj.group('genre')
79
80 genre_title, tracks = self._extract_info(city, genre)
81
82 entries = [
83 self._extract_track_info(track_info, track_info['id'])
84 for track_info in tracks]
85
86 return self.playlist_result(entries, genre, genre_title)
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