from __future__ import unicode_literals import json import re from .common import InfoExtractor from ..utils import ( compat_str, compat_urlparse, ExtractorError, ) class BandcampIE(InfoExtractor): _VALID_URL = r'http://.*?\.bandcamp\.com/track/(?P.*)' _TESTS = [{ 'url': 'http://youtube-dl.bandcamp.com/track/youtube-dl-test-song', 'file': '1812978515.mp3', 'md5': 'c557841d5e50261777a6585648adf439', 'info_dict': { "title": "youtube-dl \"'/\\\u00e4\u21ad - youtube-dl test song \"'/\\\u00e4\u21ad", "duration": 10, }, '_skip': 'There is a limit of 200 free downloads / month for the test song' }] def _real_extract(self, url): mobj = re.match(self._VALID_URL, url) title = mobj.group('title') webpage = self._download_webpage(url, title) # We get the link to the free download page m_download = re.search(r'freeDownloadPage: "(.*?)"', webpage) if m_download is None: m_trackinfo = re.search(r'trackinfo: (.+),\s*?\n', webpage) if m_trackinfo: json_code = m_trackinfo.group(1) data = json.loads(json_code) d = data[0] duration = int(round(d['duration'])) formats = [] for format_id, format_url in d['file'].items(): ext, _, abr_str = format_id.partition('-') formats.append({ 'format_id': format_id, 'url': format_url, 'ext': format_id.partition('-')[0], 'vcodec': 'none', 'acodec': format_id.partition('-')[0], 'abr': int(format_id.partition('-')[2]), }) self._sort_formats(formats) return { 'id': compat_str(d['id']), 'title': d['title'], 'formats': formats, 'duration': duration, } else: raise ExtractorError('No free songs found') download_link = m_download.group(1) video_id = re.search( r'var TralbumData = {(.*?)id: (?P<id>\d*?)$', webpage, re.MULTILINE | re.DOTALL).group('id') download_webpage = self._download_webpage(download_link, video_id, 'Downloading free downloads page') # We get the dictionary of the track from some javascrip code info = re.search(r'items: (.*?),$', 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) return { 'id': video_id, 'title': info['title'], 'ext': 'mp3', 'vcodec': 'none', 'url': final_url, 'thumbnail': info['thumb_url'], 'uploader': info['artist'], } class BandcampAlbumIE(InfoExtractor): IE_NAME = 'Bandcamp:album' _VALID_URL = r'http://.*?\.bandcamp\.com/album/(?P<title>.*)' _TEST = { 'url': 'http://blazo.bandcamp.com/album/jazz-format-mixtape-vol-1', 'playlist': [ { 'file': '1353101989.mp3', 'md5': '39bc1eded3476e927c724321ddf116cf', 'info_dict': { 'title': 'Intro', } }, { 'file': '38097443.mp3', 'md5': '1a2c32e2691474643e912cc6cd4bffaa', 'info_dict': { 'title': 'Kero One - Keep It Alive (Blazo remix)', } }, ], 'params': { 'playlistend': 2 }, 'skip': 'Bancamp imposes download limits. See test_playlists:test_bandcamp_album for the playlist test' } def _real_extract(self, url): mobj = re.match(self._VALID_URL, url) title = mobj.group('title') webpage = self._download_webpage(url, title) 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 : "(.*?)"', webpage, 'title') return { '_type': 'playlist', 'title': title, 'entries': entries, }