Remove superfluous name declarations
[youtube-dl] / youtube_dl / extractor / soundcloud.py
1 import json
2 import re
3
4 from .common import InfoExtractor
5 from ..utils import (
6     compat_str,
7
8     ExtractorError,
9     unified_strdate,
10 )
11
12
13 class SoundcloudIE(InfoExtractor):
14     """Information extractor for soundcloud.com
15        To access the media, the uid of the song and a stream token
16        must be extracted from the page source and the script must make
17        a request to media.soundcloud.com/crossdomain.xml. Then
18        the media can be grabbed by requesting from an url composed
19        of the stream token and uid
20      """
21
22     _VALID_URL = r'^(?:https?://)?(?:www\.)?soundcloud\.com/([\w\d-]+)/([\w\d-]+)'
23     IE_NAME = u'soundcloud'
24
25     def report_resolve(self, video_id):
26         """Report information extraction."""
27         self.to_screen(u'%s: Resolving id' % video_id)
28
29     def _real_extract(self, url):
30         mobj = re.match(self._VALID_URL, url)
31         if mobj is None:
32             raise ExtractorError(u'Invalid URL: %s' % url)
33
34         # extract uploader (which is in the url)
35         uploader = mobj.group(1)
36         # extract simple title (uploader + slug of song title)
37         slug_title =  mobj.group(2)
38         full_title = '%s/%s' % (uploader, slug_title)
39
40         self.report_resolve(full_title)
41
42         url = 'http://soundcloud.com/%s/%s' % (uploader, slug_title)
43         resolv_url = 'http://api.soundcloud.com/resolve.json?url=' + url + '&client_id=b45b1aa10f1ac2941910a7f0d10f8e28'
44         info_json = self._download_webpage(resolv_url, full_title, u'Downloading info JSON')
45
46         info = json.loads(info_json)
47         video_id = info['id']
48         self.report_extraction(full_title)
49
50         streams_url = 'https://api.sndcdn.com/i1/tracks/' + str(video_id) + '/streams?client_id=b45b1aa10f1ac2941910a7f0d10f8e28'
51         stream_json = self._download_webpage(streams_url, full_title,
52                                              u'Downloading stream definitions',
53                                              u'unable to download stream definitions')
54
55         streams = json.loads(stream_json)
56         mediaURL = streams['http_mp3_128_url']
57         upload_date = unified_strdate(info['created_at'])
58
59         return [{
60             'id':       info['id'],
61             'url':      mediaURL,
62             'uploader': info['user']['username'],
63             'upload_date': upload_date,
64             'title':    info['title'],
65             'ext':      u'mp3',
66             'description': info['description'],
67         }]
68
69 class SoundcloudSetIE(InfoExtractor):
70     """Information extractor for soundcloud.com sets
71        To access the media, the uid of the song and a stream token
72        must be extracted from the page source and the script must make
73        a request to media.soundcloud.com/crossdomain.xml. Then
74        the media can be grabbed by requesting from an url composed
75        of the stream token and uid
76      """
77
78     _VALID_URL = r'^(?:https?://)?(?:www\.)?soundcloud\.com/([\w\d-]+)/sets/([\w\d-]+)'
79     IE_NAME = u'soundcloud:set'
80     _TEST = {
81         u"url":"https://soundcloud.com/the-concept-band/sets/the-royal-concept-ep",
82         u"playlist": [
83             {
84                 u"file":"30510138.mp3",
85                 u"md5":"f9136bf103901728f29e419d2c70f55d",
86                 u"info_dict": {
87                     u"upload_date": u"20111213",
88                     u"description": u"The Royal Concept from Stockholm\r\nFilip / Povel / David / Magnus\r\nwww.royalconceptband.com",
89                     u"uploader": u"The Royal Concept",
90                     u"title": u"D-D-Dance"
91                 }
92             },
93             {
94                 u"file":"47127625.mp3",
95                 u"md5":"09b6758a018470570f8fd423c9453dd8",
96                 u"info_dict": {
97                     u"upload_date": u"20120521",
98                     u"description": u"The Royal Concept from Stockholm\r\nFilip / Povel / David / Magnus\r\nwww.royalconceptband.com",
99                     u"uploader": u"The Royal Concept",
100                     u"title": u"The Royal Concept - Gimme Twice"
101                 }
102             },
103             {
104                 u"file":"47127627.mp3",
105                 u"md5":"154abd4e418cea19c3b901f1e1306d9c",
106                 u"info_dict": {
107                     u"upload_date": u"20120521",
108                     u"uploader": u"The Royal Concept",
109                     u"title": u"Goldrushed"
110                 }
111             },
112             {
113                 u"file":"47127629.mp3",
114                 u"md5":"2f5471edc79ad3f33a683153e96a79c1",
115                 u"info_dict": {
116                     u"upload_date": u"20120521",
117                     u"description": u"The Royal Concept from Stockholm\r\nFilip / Povel / David / Magnus\r\nwww.royalconceptband.com",
118                     u"uploader": u"The Royal Concept",
119                     u"title": u"In the End"
120                 }
121             },
122             {
123                 u"file":"47127631.mp3",
124                 u"md5":"f9ba87aa940af7213f98949254f1c6e2",
125                 u"info_dict": {
126                     u"upload_date": u"20120521",
127                     u"description": u"The Royal Concept from Stockholm\r\nFilip / David / Povel / Magnus\r\nwww.theroyalconceptband.com",
128                     u"uploader": u"The Royal Concept",
129                     u"title": u"Knocked Up"
130                 }
131             },
132             {
133                 u"file":"75206121.mp3",
134                 u"md5":"f9d1fe9406717e302980c30de4af9353",
135                 u"info_dict": {
136                     u"upload_date": u"20130116",
137                     u"description": u"The unreleased track World on Fire premiered on the CW's hit show Arrow (8pm/7pm central).  \r\nAs a gift to our fans we would like to offer you a free download of the track!  ",
138                     u"uploader": u"The Royal Concept",
139                     u"title": u"World On Fire"
140                 }
141             }
142         ]
143     }
144
145     def report_resolve(self, video_id):
146         """Report information extraction."""
147         self.to_screen(u'%s: Resolving id' % video_id)
148
149     def _real_extract(self, url):
150         mobj = re.match(self._VALID_URL, url)
151         if mobj is None:
152             raise ExtractorError(u'Invalid URL: %s' % url)
153
154         # extract uploader (which is in the url)
155         uploader = mobj.group(1)
156         # extract simple title (uploader + slug of song title)
157         slug_title =  mobj.group(2)
158         full_title = '%s/sets/%s' % (uploader, slug_title)
159
160         self.report_resolve(full_title)
161
162         url = 'http://soundcloud.com/%s/sets/%s' % (uploader, slug_title)
163         resolv_url = 'http://api.soundcloud.com/resolve.json?url=' + url + '&client_id=b45b1aa10f1ac2941910a7f0d10f8e28'
164         info_json = self._download_webpage(resolv_url, full_title)
165
166         videos = []
167         info = json.loads(info_json)
168         if 'errors' in info:
169             for err in info['errors']:
170                 self._downloader.report_error(u'unable to download video webpage: %s' % compat_str(err['error_message']))
171             return
172
173         self.report_extraction(full_title)
174         for track in info['tracks']:
175             video_id = track['id']
176
177             streams_url = 'https://api.sndcdn.com/i1/tracks/' + str(video_id) + '/streams?client_id=b45b1aa10f1ac2941910a7f0d10f8e28'
178             stream_json = self._download_webpage(streams_url, video_id, u'Downloading track info JSON')
179
180             self.report_extraction(video_id)
181             streams = json.loads(stream_json)
182             mediaURL = streams['http_mp3_128_url']
183
184             videos.append({
185                 'id':       video_id,
186                 'url':      mediaURL,
187                 'uploader': track['user']['username'],
188                 'upload_date':  unified_strdate(track['created_at']),
189                 'title':    track['title'],
190                 'ext':      u'mp3',
191                 'description': track['description'],
192             })
193         return videos