youtube_dl/extractor/beatport.py

   1 # coding: utf-8
   2 from __future__ import unicode_literals
   3
   4 import re
   5
   6 from .common import InfoExtractor
   7 from ..compat import compat_str
   8 from ..utils import int_or_none
   9
  10
  11 class BeatportIE(InfoExtractor):
  12     _VALID_URL = r'https?://(?:www\.|pro\.)?beatport\.com/track/(?P<display_id>[^/]+)/(?P<id>[0-9]+)'
  13     _TESTS = [{
  14         'url': 'https://beatport.com/track/synesthesia-original-mix/5379371',
  15         'md5': 'b3c34d8639a2f6a7f734382358478887',
  16         'info_dict': {
  17             'id': '5379371',
  18             'display_id': 'synesthesia-original-mix',
  19             'ext': 'mp4',
  20             'title': 'Froxic - Synesthesia (Original Mix)',
  21         },
  22     }, {
  23         'url': 'https://beatport.com/track/love-and-war-original-mix/3756896',
  24         'md5': 'e44c3025dfa38c6577fbaeb43da43514',
  25         'info_dict': {
  26             'id': '3756896',
  27             'display_id': 'love-and-war-original-mix',
  28             'ext': 'mp3',
  29             'title': 'Wolfgang Gartner - Love & War (Original Mix)',
  30         },
  31     }, {
  32         'url': 'https://beatport.com/track/birds-original-mix/4991738',
  33         'md5': 'a1fd8e8046de3950fd039304c186c05f',
  34         'info_dict': {
  35             'id': '4991738',
  36             'display_id': 'birds-original-mix',
  37             'ext': 'mp4',
  38             'title': "Tos, Middle Milk, Mumblin' Johnsson - Birds (Original Mix)",
  39         }
  40     }]
  41
  42     def _real_extract(self, url):
  43         mobj = re.match(self._VALID_URL, url)
  44         track_id = mobj.group('id')
  45         display_id = mobj.group('display_id')
  46
  47         webpage = self._download_webpage(url, display_id)
  48
  49         playables = self._parse_json(
  50             self._search_regex(
  51                 r'window\.Playables\s*=\s*({.+?});', webpage,
  52                 'playables info', flags=re.DOTALL),
  53             track_id)
  54
  55         track = next(t for t in playables['tracks'] if t['id'] == int(track_id))
  56
  57         title = ', '.join((a['name'] for a in track['artists'])) + ' - ' + track['name']
  58         if track['mix']:
  59             title += ' (' + track['mix'] + ')'
  60
  61         formats = []
  62         for ext, info in track['preview'].items():
  63             if not info['url']:
  64                 continue
  65             fmt = {
  66                 'url': info['url'],
  67                 'ext': ext,
  68                 'format_id': ext,
  69                 'vcodec': 'none',
  70             }
  71             if ext == 'mp3':
  72                 fmt['preference'] = 0
  73                 fmt['acodec'] = 'mp3'
  74                 fmt['abr'] = 96
  75                 fmt['asr'] = 44100
  76             elif ext == 'mp4':
  77                 fmt['preference'] = 1
  78                 fmt['acodec'] = 'aac'
  79                 fmt['abr'] = 96
  80                 fmt['asr'] = 44100
  81             formats.append(fmt)
  82         self._sort_formats(formats)
  83
  84         images = []
  85         for name, info in track['images'].items():
  86             image_url = info.get('url')
  87             if name == 'dynamic' or not image_url:
  88                 continue
  89             image = {
  90                 'id': name,
  91                 'url': image_url,
  92                 'height': int_or_none(info.get('height')),
  93                 'width': int_or_none(info.get('width')),
  94             }
  95             images.append(image)
  96
  97         return {
  98             'id': compat_str(track.get('id')) or track_id,
  99             'display_id': track.get('slug') or display_id,
 100             'title': title,
 101             'formats': formats,
 102             'thumbnails': images,
 103         }