X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/099764c0c91f4ad7db03d9347798f8619383ea7e..fe3f5064d6bfc2fe705eef08b4f75309b95b55b2:/youtube_dl/extractor/bandcamp.py diff --git a/youtube_dl/extractor/bandcamp.py b/youtube_dl/extractor/bandcamp.py index 1b8da43..be41bd5 100644 --- a/youtube_dl/extractor/bandcamp.py +++ b/youtube_dl/extractor/bandcamp.py @@ -1,18 +1,29 @@ from __future__ import unicode_literals import json +import random import re +import time from .common import InfoExtractor -from ..utils import ( +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.*)' + _VALID_URL = r'https?://.*?\.bandcamp\.com/track/(?P<title>[^/?#&]+)' _TESTS = [{ 'url': 'http://youtube-dl.bandcamp.com/track/youtube-dl-test-song', 'md5': 'c557841d5e50261777a6585648adf439', @@ -25,12 +36,12 @@ class BandcampIE(InfoExtractor): '_skip': 'There is a limit of 200 free downloads / month for the test song' }, { 'url': 'http://benprunty.bandcamp.com/track/lanius-battle', - 'md5': '2b68e5851514c20efdff2afc5603b8b4', + 'md5': '0369ace6b939f0927e62c67a1a8d9fa7', 'info_dict': { 'id': '2650410135', - 'ext': 'mp3', - 'title': 'Lanius (Battle)', - 'uploader': 'Ben Prunty Music', + 'ext': 'aiff', + 'title': 'Ben Prunty - Lanius (Battle)', + 'uploader': 'Ben Prunty', }, }] @@ -38,73 +49,115 @@ class BandcampIE(InfoExtractor): 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': format_url, + 'url': self._proto_relative_url(format_url, 'http:'), 'ext': ext, 'vcodec': 'none', 'acodec': ext, - 'abr': int(abr_str), + 'abr': int_or_none(abr_str), }) self._sort_formats(formats) return { - 'id': compat_str(data['id']), + 'id': track_id, 'title': data['title'], + 'thumbnail': thumbnail, 'formats': formats, - 'duration': float(data['duration']), + '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'var TralbumData = {.*?id: (?P<id>\d+),?$', - webpage, 'video id', flags=re.MULTILINE | re.DOTALL) - - download_webpage = self._download_webpage(download_link, video_id, 'Downloading free downloads page') - # We get the dictionary of the track from some javascript code - info = re.search(r'items: (.*?),$', download_webpage, re.MULTILINE).group(1) - info = json.loads(info)[0] - # We pick mp3-320 for now, until format selection can be easily implemented. - mp3_info = info['downloads']['mp3-320'] - # If we try to use this url it says the link has expired - initial_url = mp3_info['url'] - re_url = r'(?P<server>http://(.*?)\.bandcamp\.com)/download/track\?enc=mp3-320&fsig=(?P<fsig>.*?)&id=(?P<id>.*?)&ts=(?P<ts>.*)$' - m_url = re.match(re_url, initial_url) - #We build the url we will use to get the final track url - # This url is build in Bandcamp in the script download_bunde_*.js - request_url = '%s/statdownload/track?enc=mp3-320&fsig=%s&id=%s&ts=%s&.rand=665028774616&.vrs=1' % (m_url.group('server'), m_url.group('fsig'), video_id, m_url.group('ts')) - final_url_webpage = self._download_webpage(request_url, video_id, 'Requesting download url') - # If we could correctly generate the .rand field the url would be - #in the "download_url" key - final_url = re.search(r'"retry_url":"(.*?)"', final_url_webpage).group(1) + r'(?ms)var TralbumData = .*?[{,]\s*id: (?P<id>\d+),?$', + 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': info['title'], - 'ext': 'mp3', - 'vcodec': 'none', - 'url': final_url, - 'thumbnail': info.get('thumb_url'), + '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<title>[^?#]+))' + _VALID_URL = r'https?://(?:(?P<subdomain>[^.]+)\.)?bandcamp\.com(?:/album/(?P<album_id>[^/?#&]+))?' _TESTS = [{ 'url': 'http://blazo.bandcamp.com/album/jazz-format-mixtape-vol-1', @@ -128,36 +181,174 @@ class BandcampAlbumIE(InfoExtractor): ], '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. See test_playlists:test_bandcamp_album for the playlist test' + '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) - playlist_id = mobj.group('subdomain') - title = mobj.group('title') - display_id = title or playlist_id - webpage = self._download_webpage(url, display_id) - tracks_paths = re.findall(r'<a href="(.*?)" itemprop="url">', webpage) - if not tracks_paths: + 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 t_path in tracks_paths] - title = self._search_regex(r'album_title : "(.*?)"', webpage, 'title') + self.url_result( + compat_urlparse.urljoin(url, t_path), + ie=BandcampIE.ie_key(), + video_title=self._search_regex( + r'<span\b[^>]+\bitemprop=["\']name["\'][^>]*>([^<]+)', + elem_content, 'track title', fatal=False)) + 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, - 'display_id': display_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 + }