from __future__ import unicode_literals import json import re from .common import InfoExtractor from ..compat import ( compat_str, compat_urlparse, ) from ..utils import ( ExtractorError, ) 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': '2b68e5851514c20efdff2afc5603b8b4', 'info_dict': { 'id': '2650410135', 'ext': 'mp3', 'title': 'Lanius (Battle)', 'uploader': 'Ben Prunty Music', }, }] def _real_extract(self, url): mobj = re.match(self._VALID_URL, url) title = mobj.group('title') webpage = self._download_webpage(url, title) 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] 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(abr_str), }) self._sort_formats(formats) return { 'id': compat_str(data['id']), 'title': data['title'], 'formats': formats, 'duration': float(data['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+),?$', webpage, 'video id') download_webpage = self._download_webpage(download_link, video_id, 'Downloading free downloads page') # We get the dictionary of the track from some javascript code all_info = self._parse_json(self._search_regex( r'(?sm)items: (.*?),$', download_webpage, 'items'), video_id) info = all_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'] m_url = re.match( r'(?P<server>http://(.*?)\.bandcamp\.com)/download/track\?enc=mp3-320&fsig=(?P<fsig>.*?)&id=(?P<id>.*?)&ts=(?P<ts>.*)$', initial_url) # We build the url we will use to get the final track url # This url is build in Bandcamp in the script download_bunde_*.js request_url = '%s/statdownload/track?enc=mp3-320&fsig=%s&id=%s&ts=%s&.rand=665028774616&.vrs=1' % (m_url.group('server'), m_url.group('fsig'), video_id, m_url.group('ts')) final_url_webpage = self._download_webpage(request_url, video_id, 'Requesting download url') # If we could correctly generate the .rand field the url would be # in the "download_url" key final_url = self._proto_relative_url(self._search_regex( r'"retry_url":"(.+?)"', final_url_webpage, 'final video URL'), 'http:') return { 'id': video_id, 'title': info['title'], 'ext': 'mp3', 'vcodec': 'none', 'url': final_url, 'thumbnail': info.get('thumb_url'), 'uploader': info.get('artist'), } class BandcampAlbumIE(InfoExtractor): IE_NAME = 'Bandcamp:album' _VALID_URL = r'https?://(?:(?P<subdomain>[^.]+)\.)?bandcamp\.com(?:/album/(?P<album_id>[^?#]+)|/?(?:$|[?#]))' _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, }] 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) tracks_paths = re.findall(r'<a href="(.*?)" itemprop="url">', webpage) if not tracks_paths: raise ExtractorError('The page doesn\'t contain any tracks') 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\s*:\s*"(.*?)"', webpage, 'title', fatal=False) return { '_type': 'playlist', 'uploader_id': uploader_id, 'id': playlist_id, 'title': title, 'entries': entries, }