Merge remote-tracking branch 'drags/yt-feed-loadmore'
[youtube-dl] / youtube_dl / extractor / deezer.py
1 from __future__ import unicode_literals
2
3 import json
4 import re
5
6 from .common import InfoExtractor
7 from ..utils import (
8     int_or_none,
9     orderedSet,
10 )
11
12
13 class DeezerPlaylistIE(InfoExtractor):
14     _VALID_URL = r'https?://(?:www\.)?deezer\.com/playlist/(?P<id>[0-9]+)'
15     _TEST = {
16         'url': 'http://www.deezer.com/playlist/176747451',
17         'info_dict': {
18             'id': '176747451',
19             'title': 'Best!',
20             'uploader': 'Anonymous',
21             'thumbnail': 're:^https?://cdn-images.deezer.com/images/cover/.*\.jpg$',
22         },
23         'playlist_count': 30,
24     }
25
26     def _real_extract(self, url):
27         if 'test' not in self._downloader.params:
28             self._downloader.report_warning('For now, this extractor only supports the 30 second previews. Patches welcome!')
29
30         mobj = re.match(self._VALID_URL, url)
31         playlist_id = mobj.group('id')
32
33         webpage = self._download_webpage(url, playlist_id)
34         data_json = self._search_regex(
35             r'naboo\.display\(\'[^\']+\',\s*(.*?)\);\n', webpage, 'data JSON')
36         data = json.loads(data_json)
37
38         playlist_title = data.get('DATA', {}).get('TITLE')
39         playlist_uploader = data.get('DATA', {}).get('PARENT_USERNAME')
40         playlist_thumbnail = self._search_regex(
41             r'<img id="naboo_playlist_image".*?src="([^"]+)"', webpage,
42             'playlist thumbnail')
43
44         preview_pattern = self._search_regex(
45             r"var SOUND_PREVIEW_GATEWAY\s*=\s*'([^']+)';", webpage,
46             'preview URL pattern', fatal=False)
47         entries = []
48         for s in data['SONGS']['data']:
49             puid = s['MD5_ORIGIN']
50             preview_video_url = preview_pattern.\
51                 replace('{0}', puid[0]).\
52                 replace('{1}', puid).\
53                 replace('{2}', s['MEDIA_VERSION'])
54             formats = [{
55                 'format_id': 'preview',
56                 'url': preview_video_url,
57                 'preference': -100,  # Only the first 30 seconds
58                 'ext': 'mp3',
59             }]
60             self._sort_formats(formats)
61             artists = ', '.join(
62                 orderedSet(a['ART_NAME'] for a in s['ARTISTS']))
63             entries.append({
64                 'id': s['SNG_ID'],
65                 'duration': int_or_none(s.get('DURATION')),
66                 'title': '%s - %s' % (artists, s['SNG_TITLE']),
67                 'uploader': s['ART_NAME'],
68                 'uploader_id': s['ART_ID'],
69                 'age_limit': 16 if s.get('EXPLICIT_LYRICS') == '1' else 0,
70                 'formats': formats,
71             })
72
73         return {
74             '_type': 'playlist',
75             'id': playlist_id,
76             'title': playlist_title,
77             'uploader': playlist_uploader,
78             'thumbnail': playlist_thumbnail,
79             'entries': entries,
80         }