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[youtubedl] / youtube_dl / extractor / bandcamp.py
1 from __future__ import unicode_literals
2
3 import json
4 import random
5 import re
6 import time
7
8 from .common import InfoExtractor
9 from ..compat import (
10 compat_str,
11 compat_urlparse,
12 )
13 from ..utils import (
14 ExtractorError,
15 float_or_none,
16 int_or_none,
17 KNOWN_EXTENSIONS,
18 parse_filesize,
19 unescapeHTML,
20 update_url_query,
21 unified_strdate,
22 )
23
24
25 class BandcampIE(InfoExtractor):
26 _VALID_URL = r'https?://.*?\.bandcamp\.com/track/(?P<title>[^/?#&]+)'
27 _TESTS = [{
28 'url': 'http://youtube-dl.bandcamp.com/track/youtube-dl-test-song',
29 'md5': 'c557841d5e50261777a6585648adf439',
30 'info_dict': {
31 'id': '1812978515',
32 'ext': 'mp3',
33 'title': "youtube-dl \"'/\\\u00e4\u21ad - youtube-dl test song \"'/\\\u00e4\u21ad",
34 'duration': 9.8485,
35 },
36 '_skip': 'There is a limit of 200 free downloads / month for the test song'
37 }, {
38 'url': 'http://benprunty.bandcamp.com/track/lanius-battle',
39 'md5': '0369ace6b939f0927e62c67a1a8d9fa7',
40 'info_dict': {
41 'id': '2650410135',
42 'ext': 'aiff',
43 'title': 'Ben Prunty - Lanius (Battle)',
44 'uploader': 'Ben Prunty',
45 },
46 }]
47
48 def _real_extract(self, url):
49 mobj = re.match(self._VALID_URL, url)
50 title = mobj.group('title')
51 webpage = self._download_webpage(url, title)
52 thumbnail = self._html_search_meta('og:image', webpage, default=None)
53 m_download = re.search(r'freeDownloadPage: "(.*?)"', webpage)
54 if not m_download:
55 m_trackinfo = re.search(r'trackinfo: (.+),\s*?\n', webpage)
56 if m_trackinfo:
57 json_code = m_trackinfo.group(1)
58 data = json.loads(json_code)[0]
59 track_id = compat_str(data['id'])
60
61 if not data.get('file'):
62 raise ExtractorError('Not streamable', video_id=track_id, expected=True)
63
64 formats = []
65 for format_id, format_url in data['file'].items():
66 ext, abr_str = format_id.split('-', 1)
67 formats.append({
68 'format_id': format_id,
69 'url': self._proto_relative_url(format_url, 'http:'),
70 'ext': ext,
71 'vcodec': 'none',
72 'acodec': ext,
73 'abr': int_or_none(abr_str),
74 })
75
76 self._sort_formats(formats)
77
78 return {
79 'id': track_id,
80 'title': data['title'],
81 'thumbnail': thumbnail,
82 'formats': formats,
83 'duration': float_or_none(data.get('duration')),
84 }
85 else:
86 raise ExtractorError('No free songs found')
87
88 download_link = m_download.group(1)
89 video_id = self._search_regex(
90 r'(?ms)var TralbumData = .*?[{,]\s*id: (?P<id>\d+),?$',
91 webpage, 'video id')
92
93 download_webpage = self._download_webpage(
94 download_link, video_id, 'Downloading free downloads page')
95
96 blob = self._parse_json(
97 self._search_regex(
98 r'data-blob=(["\'])(?P<blob>{.+?})\1', download_webpage,
99 'blob', group='blob'),
100 video_id, transform_source=unescapeHTML)
101
102 info = blob['digital_items'][0]
103
104 downloads = info['downloads']
105 track = info['title']
106
107 artist = info.get('artist')
108 title = '%s - %s' % (artist, track) if artist else track
109
110 download_formats = {}
111 for f in blob['download_formats']:
112 name, ext = f.get('name'), f.get('file_extension')
113 if all(isinstance(x, compat_str) for x in (name, ext)):
114 download_formats[name] = ext.strip('.')
115
116 formats = []
117 for format_id, f in downloads.items():
118 format_url = f.get('url')
119 if not format_url:
120 continue
121 # Stat URL generation algorithm is reverse engineered from
122 # download_*_bundle_*.js
123 stat_url = update_url_query(
124 format_url.replace('/download/', '/statdownload/'), {
125 '.rand': int(time.time() * 1000 * random.random()),
126 })
127 format_id = f.get('encoding_name') or format_id
128 stat = self._download_json(
129 stat_url, video_id, 'Downloading %s JSON' % format_id,
130 transform_source=lambda s: s[s.index('{'):s.rindex('}') + 1],
131 fatal=False)
132 if not stat:
133 continue
134 retry_url = stat.get('retry_url')
135 if not isinstance(retry_url, compat_str):
136 continue
137 formats.append({
138 'url': self._proto_relative_url(retry_url, 'http:'),
139 'ext': download_formats.get(format_id),
140 'format_id': format_id,
141 'format_note': f.get('description'),
142 'filesize': parse_filesize(f.get('size_mb')),
143 'vcodec': 'none',
144 })
145 self._sort_formats(formats)
146
147 return {
148 'id': video_id,
149 'title': title,
150 'thumbnail': info.get('thumb_url') or thumbnail,
151 'uploader': info.get('artist'),
152 'artist': artist,
153 'track': track,
154 'formats': formats,
155 }
156
157
158 class BandcampAlbumIE(InfoExtractor):
159 IE_NAME = 'Bandcamp:album'
160 _VALID_URL = r'https?://(?:(?P<subdomain>[^.]+)\.)?bandcamp\.com(?:/album/(?P<album_id>[^/?#&]+))?'
161
162 _TESTS = [{
163 'url': 'http://blazo.bandcamp.com/album/jazz-format-mixtape-vol-1',
164 'playlist': [
165 {
166 'md5': '39bc1eded3476e927c724321ddf116cf',
167 'info_dict': {
168 'id': '1353101989',
169 'ext': 'mp3',
170 'title': 'Intro',
171 }
172 },
173 {
174 'md5': '1a2c32e2691474643e912cc6cd4bffaa',
175 'info_dict': {
176 'id': '38097443',
177 'ext': 'mp3',
178 'title': 'Kero One - Keep It Alive (Blazo remix)',
179 }
180 },
181 ],
182 'info_dict': {
183 'title': 'Jazz Format Mixtape vol.1',
184 'id': 'jazz-format-mixtape-vol-1',
185 'uploader_id': 'blazo',
186 },
187 'params': {
188 'playlistend': 2
189 },
190 'skip': 'Bandcamp imposes download limits.'
191 }, {
192 'url': 'http://nightbringer.bandcamp.com/album/hierophany-of-the-open-grave',
193 'info_dict': {
194 'title': 'Hierophany of the Open Grave',
195 'uploader_id': 'nightbringer',
196 'id': 'hierophany-of-the-open-grave',
197 },
198 'playlist_mincount': 9,
199 }, {
200 'url': 'http://dotscale.bandcamp.com',
201 'info_dict': {
202 'title': 'Loom',
203 'id': 'dotscale',
204 'uploader_id': 'dotscale',
205 },
206 'playlist_mincount': 7,
207 }, {
208 # with escaped quote in title
209 'url': 'https://jstrecords.bandcamp.com/album/entropy-ep',
210 'info_dict': {
211 'title': '"Entropy" EP',
212 'uploader_id': 'jstrecords',
213 'id': 'entropy-ep',
214 },
215 'playlist_mincount': 3,
216 }, {
217 # not all tracks have songs
218 'url': 'https://insulters.bandcamp.com/album/we-are-the-plague',
219 'info_dict': {
220 'id': 'we-are-the-plague',
221 'title': 'WE ARE THE PLAGUE',
222 'uploader_id': 'insulters',
223 },
224 'playlist_count': 2,
225 }]
226
227 @classmethod
228 def suitable(cls, url):
229 return (False
230 if BandcampWeeklyIE.suitable(url) or BandcampIE.suitable(url)
231 else super(BandcampAlbumIE, cls).suitable(url))
232
233 def _real_extract(self, url):
234 mobj = re.match(self._VALID_URL, url)
235 uploader_id = mobj.group('subdomain')
236 album_id = mobj.group('album_id')
237 playlist_id = album_id or uploader_id
238 webpage = self._download_webpage(url, playlist_id)
239 track_elements = re.findall(
240 r'(?s)<div[^>]*>(.*?<a[^>]+href="([^"]+?)"[^>]+itemprop="url"[^>]*>.*?)</div>', webpage)
241 if not track_elements:
242 raise ExtractorError('The page doesn\'t contain any tracks')
243 # Only tracks with duration info have songs
244 entries = [
245 self.url_result(
246 compat_urlparse.urljoin(url, t_path),
247 ie=BandcampIE.ie_key(),
248 video_title=self._search_regex(
249 r'<span\b[^>]+\bitemprop=["\']name["\'][^>]*>([^<]+)',
250 elem_content, 'track title', fatal=False))
251 for elem_content, t_path in track_elements
252 if self._html_search_meta('duration', elem_content, default=None)]
253
254 title = self._html_search_regex(
255 r'album_title\s*:\s*"((?:\\.|[^"\\])+?)"',
256 webpage, 'title', fatal=False)
257 if title:
258 title = title.replace(r'\"', '"')
259 return {
260 '_type': 'playlist',
261 'uploader_id': uploader_id,
262 'id': playlist_id,
263 'title': title,
264 'entries': entries,
265 }
266
267
268 class BandcampWeeklyIE(InfoExtractor):
269 IE_NAME = 'Bandcamp:weekly'
270 _VALID_URL = r'https?://(?:www\.)?bandcamp\.com/?\?(?:.*?&)?show=(?P<id>\d+)'
271 _TESTS = [{
272 'url': 'https://bandcamp.com/?show=224',
273 'md5': 'b00df799c733cf7e0c567ed187dea0fd',
274 'info_dict': {
275 'id': '224',
276 'ext': 'opus',
277 'title': 'BC Weekly April 4th 2017 - Magic Moments',
278 'description': 'md5:5d48150916e8e02d030623a48512c874',
279 'duration': 5829.77,
280 'release_date': '20170404',
281 'series': 'Bandcamp Weekly',
282 'episode': 'Magic Moments',
283 'episode_number': 208,
284 'episode_id': '224',
285 }
286 }, {
287 'url': 'https://bandcamp.com/?blah/blah@&show=228',
288 'only_matching': True
289 }]
290
291 def _real_extract(self, url):
292 video_id = self._match_id(url)
293 webpage = self._download_webpage(url, video_id)
294
295 blob = self._parse_json(
296 self._search_regex(
297 r'data-blob=(["\'])(?P<blob>{.+?})\1', webpage,
298 'blob', group='blob'),
299 video_id, transform_source=unescapeHTML)
300
301 show = blob['bcw_show']
302
303 # This is desired because any invalid show id redirects to `bandcamp.com`
304 # which happens to expose the latest Bandcamp Weekly episode.
305 show_id = int_or_none(show.get('show_id')) or int_or_none(video_id)
306
307 formats = []
308 for format_id, format_url in show['audio_stream'].items():
309 if not isinstance(format_url, compat_str):
310 continue
311 for known_ext in KNOWN_EXTENSIONS:
312 if known_ext in format_id:
313 ext = known_ext
314 break
315 else:
316 ext = None
317 formats.append({
318 'format_id': format_id,
319 'url': format_url,
320 'ext': ext,
321 'vcodec': 'none',
322 })
323 self._sort_formats(formats)
324
325 title = show.get('audio_title') or 'Bandcamp Weekly'
326 subtitle = show.get('subtitle')
327 if subtitle:
328 title += ' - %s' % subtitle
329
330 episode_number = None
331 seq = blob.get('bcw_seq')
332
333 if seq and isinstance(seq, list):
334 try:
335 episode_number = next(
336 int_or_none(e.get('episode_number'))
337 for e in seq
338 if isinstance(e, dict) and int_or_none(e.get('id')) == show_id)
339 except StopIteration:
340 pass
341
342 return {
343 'id': video_id,
344 'title': title,
345 'description': show.get('desc') or show.get('short_desc'),
346 'duration': float_or_none(show.get('audio_duration')),
347 'is_live': False,
348 'release_date': unified_strdate(show.get('published_date')),
349 'series': 'Bandcamp Weekly',
350 'episode': show.get('subtitle'),
351 'episode_number': episode_number,
352 'episode_id': compat_str(video_id),
353 'formats': formats
354 }