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-rw-r--r--youtube_dl/extractor/bandcamp.py86
1 files changed, 62 insertions, 24 deletions
diff --git a/youtube_dl/extractor/bandcamp.py b/youtube_dl/extractor/bandcamp.py
index 249c3d9..88c590e 100644
--- a/youtube_dl/extractor/bandcamp.py
+++ b/youtube_dl/extractor/bandcamp.py
@@ -1,7 +1,9 @@
from __future__ import unicode_literals
import json
+import random
import re
+import time
from .common import InfoExtractor
from ..compat import (
@@ -12,6 +14,9 @@ from ..utils import (
ExtractorError,
float_or_none,
int_or_none,
+ parse_filesize,
+ unescapeHTML,
+ update_url_query,
)
@@ -81,35 +86,68 @@ class BandcampIE(InfoExtractor):
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:')
+ 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,
+ 'title': title,
'thumbnail': info.get('thumb_url'),
'uploader': info.get('artist'),
+ 'artist': artist,
+ 'track': track,
+ 'formats': formats,
}