from __future__ import unicode_literals import random import re import time from .common import InfoExtractor from ..compat import ( compat_str, compat_urlparse, ) from ..utils import ( ExtractorError, float_or_none, int_or_none, KNOWN_EXTENSIONS, parse_filesize, str_or_none, try_get, unescapeHTML, update_url_query, unified_strdate, unified_timestamp, url_or_none, ) class BandcampBaseIE(InfoExtractor): """Provide base functions for Bandcamp extractors""" def _extract_json_from_html_data_attribute(self, webpage, suffix, video_id): json_string = self._html_search_regex( r' data-%s="([^"]*)' % suffix, webpage, '%s json' % suffix, default='{}') return self._parse_json(json_string, video_id) def _parse_json_track(self, json): formats = [] file_ = json.get('file') if isinstance(file_, dict): for format_id, format_url in file_.items(): if not url_or_none(format_url): continue ext, abr_str = format_id.split('-', 1) formats.append({ 'format_id': format_id, 'url': self._proto_relative_url(format_url, 'http:'), 'ext': ext, 'vcodec': 'none', 'acodec': ext, 'abr': int_or_none(abr_str), }) return { 'duration': float_or_none(json.get('duration')), 'id': str_or_none(json.get('track_id') or json.get('id')), 'title': json.get('title'), 'title_link': json.get('title_link'), 'number': int_or_none(json.get('track_num')), 'formats': formats } class BandcampIE(BandcampBaseIE): IE_NAME = "Bandcamp:track" _VALID_URL = r'https?://[^/]+\.bandcamp\.com/track/(?P[^/?#&]+)' _TESTS = [{ 'url': 'http://youtube-dlc.bandcamp.com/track/youtube-dlc-test-song', 'md5': 'c557841d5e50261777a6585648adf439', 'info_dict': { 'id': '1812978515', 'ext': 'mp3', 'title': "youtube-dl \"'/\\\u00e4\u21ad - youtube-dl \"'/\\\u00e4\u21ad - youtube-dl test song \"'/\\\u00e4\u21ad", 'duration': 9.8485, 'uploader': "youtube-dl \"'/\\\u00e4\u21ad", 'timestamp': 1354224127, 'upload_date': '20121129', }, '_skip': 'There is a limit of 200 free downloads / month for the test song' }, { # free download 'url': 'http://benprunty.bandcamp.com/track/lanius-battle', 'md5': '5d92af55811e47f38962a54c30b07ef0', 'info_dict': { 'id': '2650410135', 'ext': 'aiff', 'title': 'Ben Prunty - Lanius (Battle)', 'thumbnail': r're:^https?://.*\.jpg$', 'uploader': 'Ben Prunty', 'timestamp': 1396508491, 'upload_date': '20140403', 'release_date': '20140403', 'duration': 260.877, 'track': 'Lanius (Battle)', 'track_number': 1, 'track_id': '2650410135', 'artist': 'Ben Prunty', 'album': 'FTL: Advanced Edition Soundtrack', }, }, { # no free download, mp3 128 'url': 'https://relapsealumni.bandcamp.com/track/hail-to-fire', 'md5': 'fec12ff55e804bb7f7ebeb77a800c8b7', 'info_dict': { 'id': '2584466013', 'ext': 'mp3', 'title': 'Mastodon - Hail to Fire', 'thumbnail': r're:^https?://.*\.jpg$', 'uploader': 'Mastodon', 'timestamp': 1322005399, 'upload_date': '20111122', 'release_date': '20040207', 'duration': 120.79, 'track': 'Hail to Fire', 'track_number': 5, 'track_id': '2584466013', 'artist': 'Mastodon', 'album': 'Call of the Mastodon', }, }] def _real_extract(self, url): mobj = re.match(self._VALID_URL, url) title = mobj.group('title') url_track_title = title webpage = self._download_webpage(url, title) thumbnail = self._html_search_meta('og:image', webpage, default=None) json_tralbum = self._extract_json_from_html_data_attribute(webpage, "tralbum", url_track_title) json_embed = self._extract_json_from_html_data_attribute(webpage, "embed", url_track_title) json_tracks = json_tralbum.get('trackinfo') if not json_tracks: raise ExtractorError('Could not extract track') track = self._parse_json_track(json_tracks[0]) artist = json_tralbum.get('artist') album_title = json_embed.get('album_title') json_album = json_tralbum.get('packages') if json_album: json_album = json_album[0] album_publish_date = json_album.get('album_publish_date') album_release_date = json_album.get('album_release_date') else: album_publish_date = None album_release_date = json_tralbum.get('album_release_date') timestamp = unified_timestamp(json_tralbum.get('current', {}).get('publish_date') or album_publish_date) release_date = unified_strdate(album_release_date) download_link = self._search_regex( r'freeDownloadPage(?:["\']|"):\s*(["\']|")(?P<url>(?:(?!\1).)+)\1', webpage, 'download link', default=None, group='url') if download_link: track_id = self._search_regex( r'\?id=(?P<id>\d+)&', download_link, 'track id') download_webpage = self._download_webpage( download_link, track_id, 'Downloading free downloads page') blob = self._parse_json( self._search_regex( r'data-blob=(["\'])(?P<blob>{.+?})\1', download_webpage, 'blob', group='blob'), track_id, transform_source=unescapeHTML) info = try_get( blob, (lambda x: x['digital_items'][0], lambda x: x['download_items'][0]), dict) if info: downloads = info.get('downloads') if isinstance(downloads, dict): if not artist: artist = info.get('artist') if not thumbnail: thumbnail = info.get('thumb_url') download_formats = {} download_formats_list = blob.get('download_formats') if isinstance(download_formats_list, list): for f in blob['download_formats']: name, ext = f.get('name'), f.get('file_extension') if all(isinstance(x, compat_str) for x in (name, ext)): download_formats[name] = ext.strip('.') for format_id, f in downloads.items(): format_url = f.get('url') if not format_url: continue # Stat URL generation algorithm is reverse engineered from # download_*_bundle_*.js stat_url = update_url_query( format_url.replace('/download/', '/statdownload/'), { '.rand': int(time.time() * 1000 * random.random()), }) format_id = f.get('encoding_name') or format_id stat = self._download_json( stat_url, track_id, 'Downloading %s JSON' % format_id, transform_source=lambda s: s[s.index('{'):s.rindex('}') + 1], fatal=False) if not stat: continue retry_url = url_or_none(stat.get('retry_url')) if not retry_url: continue track['formats'].append({ 'url': self._proto_relative_url(retry_url, 'http:'), 'ext': download_formats.get(format_id), 'format_id': format_id, 'format_note': f.get('description'), 'filesize': parse_filesize(f.get('size_mb')), 'vcodec': 'none', }) self._sort_formats(track['formats']) title = '%s - %s' % (artist, track.get('title')) if artist else track.get('title') return { 'album': album_title, 'artist': artist, 'duration': track['duration'], 'formats': track['formats'], 'id': track['id'], 'release_date': release_date, 'thumbnail': thumbnail, 'timestamp': timestamp, 'title': title, 'track': track['title'], 'track_id': track['id'], 'track_number': track['number'], 'uploader': artist } class BandcampAlbumTrackIE(BandcampIE): IE_NAME = "Bandcamp:albumtrack" """Hack class to force album downloads to have prefixed track numbers by default""" def _real_extract(self, url): data = super()._real_extract(url) data['title'] = '{:02d} - {} - {}'.format(data['track_number'], data['artist'], data['track']) return data class BandcampAlbumIE(BandcampBaseIE): IE_NAME = 'Bandcamp:album' _VALID_URL = r'https?://(?:(?P<subdomain>[^.]+)\.)?bandcamp\.com(?:/album/(?P<album_id>[^/?#&]+))?' _TESTS = [{ 'url': 'http://blazo.bandcamp.com/album/jazz-format-mixtape-vol-1', 'playlist': [ { 'md5': '39bc1eded3476e927c724321ddf116cf', 'info_dict': { 'id': '1353101989', 'ext': 'mp3', 'title': 'Intro', } }, { 'md5': '1a2c32e2691474643e912cc6cd4bffaa', 'info_dict': { 'id': '38097443', 'ext': 'mp3', 'title': 'Kero One - Keep It Alive (Blazo remix)', } }, ], 'info_dict': { 'title': 'Jazz Format Mixtape vol.1', 'id': 'jazz-format-mixtape-vol-1', 'uploader_id': 'blazo', }, 'params': { 'playlistend': 2 }, 'skip': 'Bandcamp imposes download limits.' }, { 'url': 'http://nightbringer.bandcamp.com/album/hierophany-of-the-open-grave', 'info_dict': { 'title': 'Hierophany of the Open Grave', 'uploader_id': 'nightbringer', 'id': 'hierophany-of-the-open-grave', }, 'playlist_mincount': 9, }, { 'url': 'http://dotscale.bandcamp.com', 'info_dict': { 'title': 'Loom', 'id': 'dotscale', 'uploader_id': 'dotscale', }, 'playlist_mincount': 7, }, { # with escaped quote in title 'url': 'https://jstrecords.bandcamp.com/album/entropy-ep', 'info_dict': { 'title': '"Entropy" EP', 'uploader_id': 'jstrecords', 'id': 'entropy-ep', }, 'playlist_mincount': 3, }, { # not all tracks have songs 'url': 'https://insulters.bandcamp.com/album/we-are-the-plague', 'info_dict': { 'id': 'we-are-the-plague', 'title': 'WE ARE THE PLAGUE', 'uploader_id': 'insulters', }, 'playlist_count': 2, }] @classmethod def suitable(cls, url): return (False if BandcampWeeklyIE.suitable(url) or BandcampIE.suitable(url) else super(BandcampAlbumIE, cls).suitable(url)) def _real_extract(self, url): mobj = re.match(self._VALID_URL, url) uploader_id = mobj.group('subdomain') album_id = mobj.group('album_id') playlist_id = album_id or uploader_id webpage = self._download_webpage(url, playlist_id) json_tralbum = self._extract_json_from_html_data_attribute(webpage, "tralbum", playlist_id) json_embed = self._extract_json_from_html_data_attribute(webpage, "embed", playlist_id) json_tracks = json_tralbum.get('trackinfo') if not json_tracks: raise ExtractorError('Could not extract album tracks') album_title = json_embed.get('album_title') # Only tracks with duration info have songs tracks = [self._parse_json_track(track) for track in json_tracks] entries = [ self.url_result( compat_urlparse.urljoin(url, track['title_link']), ie=BandcampAlbumTrackIE.ie_key(), video_title=track['title']) for track in tracks if track.get('duration')] return { '_type': 'playlist', 'uploader_id': uploader_id, 'id': playlist_id, 'title': album_title, 'entries': entries } class BandcampWeeklyIE(InfoExtractor): IE_NAME = 'Bandcamp:weekly' _VALID_URL = r'https?://(?:www\.)?bandcamp\.com/?\?(?:.*?&)?show=(?P<id>\d+)' _TESTS = [{ 'url': 'https://bandcamp.com/?show=224', 'md5': 'b00df799c733cf7e0c567ed187dea0fd', 'info_dict': { 'id': '224', 'ext': 'opus', 'title': 'BC Weekly April 4th 2017 - Magic Moments', 'description': 'md5:5d48150916e8e02d030623a48512c874', 'duration': 5829.77, 'release_date': '20170404', 'series': 'Bandcamp Weekly', 'episode': 'Magic Moments', 'episode_number': 208, 'episode_id': '224', } }, { 'url': 'https://bandcamp.com/?blah/blah@&show=228', 'only_matching': True }] def _real_extract(self, url): video_id = self._match_id(url) webpage = self._download_webpage(url, video_id) blob = self._parse_json( self._search_regex( r'data-blob=(["\'])(?P<blob>{.+?})\1', webpage, 'blob', group='blob'), video_id, transform_source=unescapeHTML) show = blob['bcw_show'] # This is desired because any invalid show id redirects to `bandcamp.com` # which happens to expose the latest Bandcamp Weekly episode. show_id = int_or_none(show.get('show_id')) or int_or_none(video_id) formats = [] for format_id, format_url in show['audio_stream'].items(): if not url_or_none(format_url): continue for known_ext in KNOWN_EXTENSIONS: if known_ext in format_id: ext = known_ext break else: ext = None formats.append({ 'format_id': format_id, 'url': format_url, 'ext': ext, 'vcodec': 'none', }) self._sort_formats(formats) title = show.get('audio_title') or 'Bandcamp Weekly' subtitle = show.get('subtitle') if subtitle: title += ' - %s' % subtitle episode_number = None seq = blob.get('bcw_seq') if seq and isinstance(seq, list): try: episode_number = next( int_or_none(e.get('episode_number')) for e in seq if isinstance(e, dict) and int_or_none(e.get('id')) == show_id) except StopIteration: pass return { 'id': video_id, 'title': title, 'description': show.get('desc') or show.get('short_desc'), 'duration': float_or_none(show.get('audio_duration')), 'is_live': False, 'release_date': unified_strdate(show.get('published_date')), 'series': 'Bandcamp Weekly', 'episode': show.get('subtitle'), 'episode_number': episode_number, 'episode_id': compat_str(video_id), 'formats': formats }