from __future__ import unicode_literals import json 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, unescapeHTML, update_url_query, unified_strdate, ) class BandcampIE(InfoExtractor): _VALID_URL = r'https?://.*?\.bandcamp\.com/track/(?P[^/?#&]+)' _TESTS = [{ 'url': 'http://youtube-dl.bandcamp.com/track/youtube-dl-test-song', 'md5': 'c557841d5e50261777a6585648adf439', 'info_dict': { 'id': '1812978515', 'ext': 'mp3', 'title': "youtube-dl \"'/\\\u00e4\u21ad - youtube-dl test song \"'/\\\u00e4\u21ad", 'duration': 9.8485, }, '_skip': 'There is a limit of 200 free downloads / month for the test song' }, { 'url': 'http://benprunty.bandcamp.com/track/lanius-battle', 'md5': '0369ace6b939f0927e62c67a1a8d9fa7', 'info_dict': { 'id': '2650410135', 'ext': 'aiff', 'title': 'Ben Prunty - Lanius (Battle)', 'uploader': 'Ben Prunty', }, }] def _real_extract(self, url): mobj = re.match(self._VALID_URL, url) title = mobj.group('title') webpage = self._download_webpage(url, title) thumbnail = self._html_search_meta('og:image', webpage, default=None) m_download = re.search(r'freeDownloadPage: "(.*?)"', webpage) if not m_download: m_trackinfo = re.search(r'trackinfo: (.+),\s*?\n', webpage) if m_trackinfo: json_code = m_trackinfo.group(1) data = json.loads(json_code)[0] track_id = compat_str(data['id']) if not data.get('file'): raise ExtractorError('Not streamable', video_id=track_id, expected=True) formats = [] for format_id, format_url in data['file'].items(): 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), }) self._sort_formats(formats) return { 'id': track_id, 'title': data['title'], 'thumbnail': thumbnail, 'formats': formats, 'duration': float_or_none(data.get('duration')), } else: raise ExtractorError('No free songs found') download_link = m_download.group(1) video_id = self._search_regex( r'(?ms)var TralbumData = .*?[{,]\s*id: (?P<id>\d+),?$', webpage, 'video id') download_webpage = self._download_webpage( download_link, video_id, 'Downloading free downloads page') blob = self._parse_json( self._search_regex( r'data-blob=(["\'])(?P<blob>{.+?})\1', download_webpage, 'blob', group='blob'), video_id, transform_source=unescapeHTML) info = blob['digital_items'][0] downloads = info['downloads'] track = info['title'] artist = info.get('artist') title = '%s - %s' % (artist, track) if artist else track download_formats = {} 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('.') formats = [] 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, video_id, 'Downloading %s JSON' % format_id, transform_source=lambda s: s[s.index('{'):s.rindex('}') + 1], fatal=False) if not stat: continue retry_url = stat.get('retry_url') if not isinstance(retry_url, compat_str): continue 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(formats) return { 'id': video_id, 'title': title, 'thumbnail': info.get('thumb_url') or thumbnail, 'uploader': info.get('artist'), 'artist': artist, 'track': track, 'formats': formats, } class BandcampAlbumIE(InfoExtractor): 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) track_elements = re.findall( r'(?s)<div[^>]*>(.*?<a[^>]+href="([^"]+?)"[^>]+itemprop="url"[^>]*>.*?)</div>', webpage) if not track_elements: raise ExtractorError('The page doesn\'t contain any tracks') # Only tracks with duration info have songs entries = [ self.url_result(compat_urlparse.urljoin(url, t_path), ie=BandcampIE.ie_key()) for elem_content, t_path in track_elements if self._html_search_meta('duration', elem_content, default=None)] title = self._html_search_regex( r'album_title\s*:\s*"((?:\\.|[^"\\])+?)"', webpage, 'title', fatal=False) if title: title = title.replace(r'\"', '"') return { '_type': 'playlist', 'uploader_id': uploader_id, 'id': playlist_id, 'title': 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 isinstance(format_url, compat_str): 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 }