Imported Upstream version 2015.05.15

[youtubedl] / youtube_dl / extractor / twentytwotracks.py

diff --git a/youtube_dl/extractor/twentytwotracks.py b/youtube_dl/extractor/twentytwotracks.py
new file mode 100644 (file)
index 0000000..d6c0ab1
--- /dev/null
+++ b/youtube_dl/extractor/twentytwotracks.py
@@ -0,0 +1,86 @@
+from __future__ import unicode_literals
+
+import re
+
+from .common import InfoExtractor
+from ..utils import int_or_none
+
+# 22Tracks regularly replace the audio tracks that can be streamed on their
+# site. The tracks usually expire after 1 months, so we can't add tests.
+
+
+class TwentyTwoTracksIE(InfoExtractor):
+    _VALID_URL = r'https?://22tracks\.com/(?P<city>[a-z]+)/(?P<genre>[\da-z]+)/(?P<id>\d+)'
+    IE_NAME = '22tracks:track'
+
+    _API_BASE = 'http://22tracks.com/api'
+
+    def _extract_info(self, city, genre_name, track_id=None):
+        item_id = track_id if track_id else genre_name
+
+        cities = self._download_json(
+            '%s/cities' % self._API_BASE, item_id,
+            'Downloading cities info',
+            'Unable to download cities info')
+        city_id = [x['id'] for x in cities if x['slug'] == city][0]
+
+        genres = self._download_json(
+            '%s/genres/%s' % (self._API_BASE, city_id), item_id,
+            'Downloading %s genres info' % city,
+            'Unable to download %s genres info' % city)
+        genre = [x for x in genres if x['slug'] == genre_name][0]
+        genre_id = genre['id']
+
+        tracks = self._download_json(
+            '%s/tracks/%s' % (self._API_BASE, genre_id), item_id,
+            'Downloading %s genre tracks info' % genre_name,
+            'Unable to download track info')
+
+        return [x for x in tracks if x['id'] == item_id][0] if track_id else [genre['title'], tracks]
+
+    def _get_track_url(self, filename, track_id):
+        token = self._download_json(
+            'http://22tracks.com/token.php?desktop=true&u=/128/%s' % filename,
+            track_id, 'Downloading token', 'Unable to download token')
+        return 'http://audio.22tracks.com%s?st=%s&e=%d' % (token['filename'], token['st'], token['e'])
+
+    def _extract_track_info(self, track_info, track_id):
+        download_url = self._get_track_url(track_info['filename'], track_id)
+        title = '%s - %s' % (track_info['artist'].strip(), track_info['title'].strip())
+        return {
+            'id': track_id,
+            'url': download_url,
+            'ext': 'mp3',
+            'title': title,
+            'duration': int_or_none(track_info.get('duration')),
+            'timestamp': int_or_none(track_info.get('published_at') or track_info.get('created'))
+        }
+
+    def _real_extract(self, url):
+        mobj = re.match(self._VALID_URL, url)
+
+        city = mobj.group('city')
+        genre = mobj.group('genre')
+        track_id = mobj.group('id')
+
+        track_info = self._extract_info(city, genre, track_id)
+        return self._extract_track_info(track_info, track_id)
+
+
+class TwentyTwoTracksGenreIE(TwentyTwoTracksIE):
+    _VALID_URL = r'https?://22tracks\.com/(?P<city>[a-z]+)/(?P<genre>[\da-z]+)/?$'
+    IE_NAME = '22tracks:genre'
+
+    def _real_extract(self, url):
+        mobj = re.match(self._VALID_URL, url)
+
+        city = mobj.group('city')
+        genre = mobj.group('genre')
+
+        genre_title, tracks = self._extract_info(city, genre)
+
+        entries = [
+            self._extract_track_info(track_info, track_info['id'])
+            for track_info in tracks]
+
+        return self.playlist_result(entries, genre, genre_title)