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[youtubedl] / youtube_dl / extractor / bandcamp.py
1 from __future__ import unicode_literals
2
3 import random
4 import re
5 import time
6
7 from .common import InfoExtractor
8 from ..compat import (
9 compat_str,
10 compat_urlparse,
11 )
12 from ..utils import (
13 ExtractorError,
14 float_or_none,
15 int_or_none,
16 KNOWN_EXTENSIONS,
17 parse_filesize,
18 str_or_none,
19 try_get,
20 unescapeHTML,
21 update_url_query,
22 unified_strdate,
23 unified_timestamp,
24 url_or_none,
25 )
26
27
28 class BandcampIE(InfoExtractor):
29 _VALID_URL = r'https?://[^/]+\.bandcamp\.com/track/(?P<title>[^/?#&]+)'
30 _TESTS = [{
31 'url': 'http://youtube-dl.bandcamp.com/track/youtube-dl-test-song',
32 'md5': 'c557841d5e50261777a6585648adf439',
33 'info_dict': {
34 'id': '1812978515',
35 'ext': 'mp3',
36 'title': "youtube-dl \"'/\\\u00e4\u21ad - youtube-dl test song \"'/\\\u00e4\u21ad",
37 'duration': 9.8485,
38 },
39 '_skip': 'There is a limit of 200 free downloads / month for the test song'
40 }, {
41 # free download
42 'url': 'http://benprunty.bandcamp.com/track/lanius-battle',
43 'md5': '853e35bf34aa1d6fe2615ae612564b36',
44 'info_dict': {
45 'id': '2650410135',
46 'ext': 'aiff',
47 'title': 'Ben Prunty - Lanius (Battle)',
48 'thumbnail': r're:^https?://.*\.jpg$',
49 'uploader': 'Ben Prunty',
50 'timestamp': 1396508491,
51 'upload_date': '20140403',
52 'release_date': '20140403',
53 'duration': 260.877,
54 'track': 'Lanius (Battle)',
55 'track_number': 1,
56 'track_id': '2650410135',
57 'artist': 'Ben Prunty',
58 'album': 'FTL: Advanced Edition Soundtrack',
59 },
60 }, {
61 # no free download, mp3 128
62 'url': 'https://relapsealumni.bandcamp.com/track/hail-to-fire',
63 'md5': 'fec12ff55e804bb7f7ebeb77a800c8b7',
64 'info_dict': {
65 'id': '2584466013',
66 'ext': 'mp3',
67 'title': 'Mastodon - Hail to Fire',
68 'thumbnail': r're:^https?://.*\.jpg$',
69 'uploader': 'Mastodon',
70 'timestamp': 1322005399,
71 'upload_date': '20111122',
72 'release_date': '20040207',
73 'duration': 120.79,
74 'track': 'Hail to Fire',
75 'track_number': 5,
76 'track_id': '2584466013',
77 'artist': 'Mastodon',
78 'album': 'Call of the Mastodon',
79 },
80 }]
81
82 def _real_extract(self, url):
83 mobj = re.match(self._VALID_URL, url)
84 title = mobj.group('title')
85 webpage = self._download_webpage(url, title)
86 thumbnail = self._html_search_meta('og:image', webpage, default=None)
87
88 track_id = None
89 track = None
90 track_number = None
91 duration = None
92
93 formats = []
94 track_info = self._parse_json(
95 self._search_regex(
96 r'trackinfo\s*:\s*\[\s*({.+?})\s*\]\s*,\s*?\n',
97 webpage, 'track info', default='{}'), title)
98 if track_info:
99 file_ = track_info.get('file')
100 if isinstance(file_, dict):
101 for format_id, format_url in file_.items():
102 if not url_or_none(format_url):
103 continue
104 ext, abr_str = format_id.split('-', 1)
105 formats.append({
106 'format_id': format_id,
107 'url': self._proto_relative_url(format_url, 'http:'),
108 'ext': ext,
109 'vcodec': 'none',
110 'acodec': ext,
111 'abr': int_or_none(abr_str),
112 })
113 track = track_info.get('title')
114 track_id = str_or_none(track_info.get('track_id') or track_info.get('id'))
115 track_number = int_or_none(track_info.get('track_num'))
116 duration = float_or_none(track_info.get('duration'))
117
118 def extract(key):
119 return self._search_regex(
120 r'\b%s\s*["\']?\s*:\s*(["\'])(?P<value>(?:(?!\1).)+)\1' % key,
121 webpage, key, default=None, group='value')
122
123 artist = extract('artist')
124 album = extract('album_title')
125 timestamp = unified_timestamp(
126 extract('publish_date') or extract('album_publish_date'))
127 release_date = unified_strdate(extract('album_release_date'))
128
129 download_link = self._search_regex(
130 r'freeDownloadPage\s*:\s*(["\'])(?P<url>(?:(?!\1).)+)\1', webpage,
131 'download link', default=None, group='url')
132 if download_link:
133 track_id = self._search_regex(
134 r'(?ms)var TralbumData = .*?[{,]\s*id: (?P<id>\d+),?$',
135 webpage, 'track id')
136
137 download_webpage = self._download_webpage(
138 download_link, track_id, 'Downloading free downloads page')
139
140 blob = self._parse_json(
141 self._search_regex(
142 r'data-blob=(["\'])(?P<blob>{.+?})\1', download_webpage,
143 'blob', group='blob'),
144 track_id, transform_source=unescapeHTML)
145
146 info = try_get(
147 blob, (lambda x: x['digital_items'][0],
148 lambda x: x['download_items'][0]), dict)
149 if info:
150 downloads = info.get('downloads')
151 if isinstance(downloads, dict):
152 if not track:
153 track = info.get('title')
154 if not artist:
155 artist = info.get('artist')
156 if not thumbnail:
157 thumbnail = info.get('thumb_url')
158
159 download_formats = {}
160 download_formats_list = blob.get('download_formats')
161 if isinstance(download_formats_list, list):
162 for f in blob['download_formats']:
163 name, ext = f.get('name'), f.get('file_extension')
164 if all(isinstance(x, compat_str) for x in (name, ext)):
165 download_formats[name] = ext.strip('.')
166
167 for format_id, f in downloads.items():
168 format_url = f.get('url')
169 if not format_url:
170 continue
171 # Stat URL generation algorithm is reverse engineered from
172 # download_*_bundle_*.js
173 stat_url = update_url_query(
174 format_url.replace('/download/', '/statdownload/'), {
175 '.rand': int(time.time() * 1000 * random.random()),
176 })
177 format_id = f.get('encoding_name') or format_id
178 stat = self._download_json(
179 stat_url, track_id, 'Downloading %s JSON' % format_id,
180 transform_source=lambda s: s[s.index('{'):s.rindex('}') + 1],
181 fatal=False)
182 if not stat:
183 continue
184 retry_url = url_or_none(stat.get('retry_url'))
185 if not retry_url:
186 continue
187 formats.append({
188 'url': self._proto_relative_url(retry_url, 'http:'),
189 'ext': download_formats.get(format_id),
190 'format_id': format_id,
191 'format_note': f.get('description'),
192 'filesize': parse_filesize(f.get('size_mb')),
193 'vcodec': 'none',
194 })
195
196 self._sort_formats(formats)
197
198 title = '%s - %s' % (artist, track) if artist else track
199
200 if not duration:
201 duration = float_or_none(self._html_search_meta(
202 'duration', webpage, default=None))
203
204 return {
205 'id': track_id,
206 'title': title,
207 'thumbnail': thumbnail,
208 'uploader': artist,
209 'timestamp': timestamp,
210 'release_date': release_date,
211 'duration': duration,
212 'track': track,
213 'track_number': track_number,
214 'track_id': track_id,
215 'artist': artist,
216 'album': album,
217 'formats': formats,
218 }
219
220
221 class BandcampAlbumIE(InfoExtractor):
222 IE_NAME = 'Bandcamp:album'
223 _VALID_URL = r'https?://(?:(?P<subdomain>[^.]+)\.)?bandcamp\.com(?:/album/(?P<album_id>[^/?#&]+))?'
224
225 _TESTS = [{
226 'url': 'http://blazo.bandcamp.com/album/jazz-format-mixtape-vol-1',
227 'playlist': [
228 {
229 'md5': '39bc1eded3476e927c724321ddf116cf',
230 'info_dict': {
231 'id': '1353101989',
232 'ext': 'mp3',
233 'title': 'Intro',
234 }
235 },
236 {
237 'md5': '1a2c32e2691474643e912cc6cd4bffaa',
238 'info_dict': {
239 'id': '38097443',
240 'ext': 'mp3',
241 'title': 'Kero One - Keep It Alive (Blazo remix)',
242 }
243 },
244 ],
245 'info_dict': {
246 'title': 'Jazz Format Mixtape vol.1',
247 'id': 'jazz-format-mixtape-vol-1',
248 'uploader_id': 'blazo',
249 },
250 'params': {
251 'playlistend': 2
252 },
253 'skip': 'Bandcamp imposes download limits.'
254 }, {
255 'url': 'http://nightbringer.bandcamp.com/album/hierophany-of-the-open-grave',
256 'info_dict': {
257 'title': 'Hierophany of the Open Grave',
258 'uploader_id': 'nightbringer',
259 'id': 'hierophany-of-the-open-grave',
260 },
261 'playlist_mincount': 9,
262 }, {
263 'url': 'http://dotscale.bandcamp.com',
264 'info_dict': {
265 'title': 'Loom',
266 'id': 'dotscale',
267 'uploader_id': 'dotscale',
268 },
269 'playlist_mincount': 7,
270 }, {
271 # with escaped quote in title
272 'url': 'https://jstrecords.bandcamp.com/album/entropy-ep',
273 'info_dict': {
274 'title': '"Entropy" EP',
275 'uploader_id': 'jstrecords',
276 'id': 'entropy-ep',
277 },
278 'playlist_mincount': 3,
279 }, {
280 # not all tracks have songs
281 'url': 'https://insulters.bandcamp.com/album/we-are-the-plague',
282 'info_dict': {
283 'id': 'we-are-the-plague',
284 'title': 'WE ARE THE PLAGUE',
285 'uploader_id': 'insulters',
286 },
287 'playlist_count': 2,
288 }]
289
290 @classmethod
291 def suitable(cls, url):
292 return (False
293 if BandcampWeeklyIE.suitable(url) or BandcampIE.suitable(url)
294 else super(BandcampAlbumIE, cls).suitable(url))
295
296 def _real_extract(self, url):
297 mobj = re.match(self._VALID_URL, url)
298 uploader_id = mobj.group('subdomain')
299 album_id = mobj.group('album_id')
300 playlist_id = album_id or uploader_id
301 webpage = self._download_webpage(url, playlist_id)
302 track_elements = re.findall(
303 r'(?s)<div[^>]*>(.*?<a[^>]+href="([^"]+?)"[^>]+itemprop="url"[^>]*>.*?)</div>', webpage)
304 if not track_elements:
305 raise ExtractorError('The page doesn\'t contain any tracks')
306 # Only tracks with duration info have songs
307 entries = [
308 self.url_result(
309 compat_urlparse.urljoin(url, t_path),
310 ie=BandcampIE.ie_key(),
311 video_title=self._search_regex(
312 r'<span\b[^>]+\bitemprop=["\']name["\'][^>]*>([^<]+)',
313 elem_content, 'track title', fatal=False))
314 for elem_content, t_path in track_elements
315 if self._html_search_meta('duration', elem_content, default=None)]
316
317 title = self._html_search_regex(
318 r'album_title\s*:\s*"((?:\\.|[^"\\])+?)"',
319 webpage, 'title', fatal=False)
320 if title:
321 title = title.replace(r'\"', '"')
322 return {
323 '_type': 'playlist',
324 'uploader_id': uploader_id,
325 'id': playlist_id,
326 'title': title,
327 'entries': entries,
328 }
329
330
331 class BandcampWeeklyIE(InfoExtractor):
332 IE_NAME = 'Bandcamp:weekly'
333 _VALID_URL = r'https?://(?:www\.)?bandcamp\.com/?\?(?:.*?&)?show=(?P<id>\d+)'
334 _TESTS = [{
335 'url': 'https://bandcamp.com/?show=224',
336 'md5': 'b00df799c733cf7e0c567ed187dea0fd',
337 'info_dict': {
338 'id': '224',
339 'ext': 'opus',
340 'title': 'BC Weekly April 4th 2017 - Magic Moments',
341 'description': 'md5:5d48150916e8e02d030623a48512c874',
342 'duration': 5829.77,
343 'release_date': '20170404',
344 'series': 'Bandcamp Weekly',
345 'episode': 'Magic Moments',
346 'episode_number': 208,
347 'episode_id': '224',
348 }
349 }, {
350 'url': 'https://bandcamp.com/?blah/blah@&show=228',
351 'only_matching': True
352 }]
353
354 def _real_extract(self, url):
355 video_id = self._match_id(url)
356 webpage = self._download_webpage(url, video_id)
357
358 blob = self._parse_json(
359 self._search_regex(
360 r'data-blob=(["\'])(?P<blob>{.+?})\1', webpage,
361 'blob', group='blob'),
362 video_id, transform_source=unescapeHTML)
363
364 show = blob['bcw_show']
365
366 # This is desired because any invalid show id redirects to `bandcamp.com`
367 # which happens to expose the latest Bandcamp Weekly episode.
368 show_id = int_or_none(show.get('show_id')) or int_or_none(video_id)
369
370 formats = []
371 for format_id, format_url in show['audio_stream'].items():
372 if not url_or_none(format_url):
373 continue
374 for known_ext in KNOWN_EXTENSIONS:
375 if known_ext in format_id:
376 ext = known_ext
377 break
378 else:
379 ext = None
380 formats.append({
381 'format_id': format_id,
382 'url': format_url,
383 'ext': ext,
384 'vcodec': 'none',
385 })
386 self._sort_formats(formats)
387
388 title = show.get('audio_title') or 'Bandcamp Weekly'
389 subtitle = show.get('subtitle')
390 if subtitle:
391 title += ' - %s' % subtitle
392
393 episode_number = None
394 seq = blob.get('bcw_seq')
395
396 if seq and isinstance(seq, list):
397 try:
398 episode_number = next(
399 int_or_none(e.get('episode_number'))
400 for e in seq
401 if isinstance(e, dict) and int_or_none(e.get('id')) == show_id)
402 except StopIteration:
403 pass
404
405 return {
406 'id': video_id,
407 'title': title,
408 'description': show.get('desc') or show.get('short_desc'),
409 'duration': float_or_none(show.get('audio_duration')),
410 'is_live': False,
411 'release_date': unified_strdate(show.get('published_date')),
412 'series': 'Bandcamp Weekly',
413 'episode': show.get('subtitle'),
414 'episode_number': episode_number,
415 'episode_id': compat_str(video_id),
416 'formats': formats
417 }