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[youtubedl] / youtube_dl / extractor / mixcloud.py
1 from __future__ import unicode_literals
2
3 import re
4
5 from .common import InfoExtractor
6 from ..utils import (
7 unified_strdate,
8 ExtractorError,
9 )
10
11
12 class MixcloudIE(InfoExtractor):
13 _VALID_URL = r'^(?:https?://)?(?:www\.)?mixcloud\.com/([\w\d-]+)/([\w\d-]+)'
14 IE_NAME = 'mixcloud'
15
16 _TEST = {
17 'url': 'http://www.mixcloud.com/dholbach/cryptkeeper/',
18 'file': 'dholbach-cryptkeeper.mp3',
19 'info_dict': {
20 'title': 'Cryptkeeper',
21 'description': 'After quite a long silence from myself, finally another Drum\'n\'Bass mix with my favourite current dance floor bangers.',
22 'uploader': 'Daniel Holbach',
23 'uploader_id': 'dholbach',
24 'upload_date': '20111115',
25 },
26 }
27
28 def check_urls(self, url_list):
29 """Returns 1st active url from list"""
30 for url in url_list:
31 try:
32 # We only want to know if the request succeed
33 # don't download the whole file
34 self._request_webpage(url, None, False)
35 return url
36 except ExtractorError:
37 url = None
38
39 return None
40
41 def _get_url(self, template_url):
42 return self.check_urls(template_url % i for i in range(30))
43
44 def _real_extract(self, url):
45 mobj = re.match(self._VALID_URL, url)
46 uploader = mobj.group(1)
47 cloudcast_name = mobj.group(2)
48 track_id = '-'.join((uploader, cloudcast_name))
49
50 webpage = self._download_webpage(url, track_id)
51
52 api_url = 'http://api.mixcloud.com/%s/%s/' % (uploader, cloudcast_name)
53 info = self._download_json(
54 api_url, track_id, 'Downloading cloudcast info')
55
56 preview_url = self._search_regex(
57 r'\s(?:data-preview-url|m-preview)="(.+?)"', webpage, 'preview url')
58 song_url = preview_url.replace('/previews/', '/c/originals/')
59 template_url = re.sub(r'(stream\d*)', 'stream%d', song_url)
60 final_song_url = self._get_url(template_url)
61 if final_song_url is None:
62 self.to_screen('Trying with m4a extension')
63 template_url = template_url.replace('.mp3', '.m4a').replace('originals/', 'm4a/64/')
64 final_song_url = self._get_url(template_url)
65 if final_song_url is None:
66 raise ExtractorError(u'Unable to extract track url')
67
68 return {
69 'id': track_id,
70 'title': info['name'],
71 'url': final_song_url,
72 'description': info.get('description'),
73 'thumbnail': info['pictures'].get('extra_large'),
74 'uploader': info['user']['name'],
75 'uploader_id': info['user']['username'],
76 'upload_date': unified_strdate(info['created_time']),
77 'view_count': info['play_count'],
78 }