[bandcamp] Extract more metadata (closes #13197)
This commit is contained in:
Sergey M․
parent
14b7a24c19
commit
4991e16c2a
@ -1,6 +1,5 @@
|
||||
from __future__ import unicode_literals
|
||||
|
||||
import json
|
||||
import random
|
||||
import re
|
||||
import time
|
||||
@ -16,15 +15,18 @@ from ..utils import (
|
||||
int_or_none,
|
||||
KNOWN_EXTENSIONS,
|
||||
parse_filesize,
|
||||
str_or_none,
|
||||
try_get,
|
||||
unescapeHTML,
|
||||
update_url_query,
|
||||
unified_strdate,
|
||||
unified_timestamp,
|
||||
url_or_none,
|
||||
)
|
||||
|
||||
|
||||
class BandcampIE(InfoExtractor):
|
||||
_VALID_URL = r'https?://.*?\.bandcamp\.com/track/(?P<title>[^/?#&]+)'
|
||||
_VALID_URL = r'https?://[^/]+\.bandcamp\.com/track/(?P<title>[^/?#&]+)'
|
||||
_TESTS = [{
|
||||
'url': 'http://youtube-dl.bandcamp.com/track/youtube-dl-test-song',
|
||||
'md5': 'c557841d5e50261777a6585648adf439',
|
||||
@ -36,24 +38,44 @@ class BandcampIE(InfoExtractor):
|
||||
},
|
||||
'_skip': 'There is a limit of 200 free downloads / month for the test song'
|
||||
}, {
|
||||
# free download
|
||||
'url': 'http://benprunty.bandcamp.com/track/lanius-battle',
|
||||
'md5': '0369ace6b939f0927e62c67a1a8d9fa7',
|
||||
'md5': '853e35bf34aa1d6fe2615ae612564b36',
|
||||
'info_dict': {
|
||||
'id': '2650410135',
|
||||
'ext': 'aiff',
|
||||
'title': 'Ben Prunty - Lanius (Battle)',
|
||||
'thumbnail': r're:^https?://.*\.jpg$',
|
||||
'uploader': 'Ben Prunty',
|
||||
'timestamp': 1396508491,
|
||||
'upload_date': '20140403',
|
||||
'release_date': '20140403',
|
||||
'duration': 260.877,
|
||||
'track': 'Lanius (Battle)',
|
||||
'track_number': 1,
|
||||
'track_id': '2650410135',
|
||||
'artist': 'Ben Prunty',
|
||||
'album': 'FTL: Advanced Edition Soundtrack',
|
||||
},
|
||||
}, {
|
||||
# no free download, mp3 128
|
||||
'url': 'https://relapsealumni.bandcamp.com/track/hail-to-fire',
|
||||
'md5': 'fec12ff55e804bb7f7ebeb77a800c8b7',
|
||||
'info_dict': {
|
||||
'id': '2584466013',
|
||||
'ext': 'mp3',
|
||||
'title': 'Hail to Fire',
|
||||
'title': 'Mastodon - Hail to Fire',
|
||||
'thumbnail': r're:^https?://.*\.jpg$',
|
||||
'uploader': 'Mastodon',
|
||||
'timestamp': 1322005399,
|
||||
'upload_date': '20111122',
|
||||
'release_date': '20040207',
|
||||
'duration': 120.79,
|
||||
'track': 'Hail to Fire',
|
||||
'track_number': 5,
|
||||
},
|
||||
'params': {
|
||||
'skip_download': True,
|
||||
'track_id': '2584466013',
|
||||
'artist': 'Mastodon',
|
||||
'album': 'Call of the Mastodon',
|
||||
},
|
||||
}]
|
||||
|
||||
@ -62,19 +84,23 @@ class BandcampIE(InfoExtractor):
|
||||
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)
|
||||
track_id = None
|
||||
track = None
|
||||
track_number = None
|
||||
duration = None
|
||||
|
||||
formats = []
|
||||
for format_id, format_url in data['file'].items():
|
||||
formats = []
|
||||
track_info = self._parse_json(
|
||||
self._search_regex(
|
||||
r'trackinfo\s*:\s*\[\s*({.+?})\s*\]\s*,\s*?\n',
|
||||
webpage, 'track info', default='{}'), title)
|
||||
if track_info:
|
||||
file_ = track_info.get('file')
|
||||
if isinstance(file_, dict):
|
||||
for format_id, format_url in file_.items():
|
||||
if not url_or_none(format_url):
|
||||
continue
|
||||
ext, abr_str = format_id.split('-', 1)
|
||||
formats.append({
|
||||
'format_id': format_id,
|
||||
@ -84,86 +110,110 @@ class BandcampIE(InfoExtractor):
|
||||
'acodec': ext,
|
||||
'abr': int_or_none(abr_str),
|
||||
})
|
||||
track = track_info.get('title')
|
||||
track_id = str_or_none(track_info.get('track_id') or track_info.get('id'))
|
||||
track_number = int_or_none(track_info.get('track_num'))
|
||||
duration = float_or_none(track_info.get('duration'))
|
||||
|
||||
self._sort_formats(formats)
|
||||
def extract(key):
|
||||
return self._search_regex(
|
||||
r'\b%s\s*["\']?\s*:\s*(["\'])(?P<value>(?:(?!\1).)+)\1' % key,
|
||||
webpage, key, default=None, group='value')
|
||||
|
||||
return {
|
||||
'id': track_id,
|
||||
'title': data['title'],
|
||||
'thumbnail': thumbnail,
|
||||
'formats': formats,
|
||||
'duration': float_or_none(data.get('duration')),
|
||||
'track_number': int_or_none(data.get('track_num')),
|
||||
}
|
||||
else:
|
||||
raise ExtractorError('No free songs found')
|
||||
artist = extract('artist')
|
||||
album = extract('album_title')
|
||||
timestamp = unified_timestamp(
|
||||
extract('publish_date') or extract('album_publish_date'))
|
||||
release_date = unified_strdate(extract('album_release_date'))
|
||||
|
||||
download_link = m_download.group(1)
|
||||
video_id = self._search_regex(
|
||||
r'(?ms)var TralbumData = .*?[{,]\s*id: (?P<id>\d+),?$',
|
||||
webpage, 'video id')
|
||||
download_link = self._search_regex(
|
||||
r'freeDownloadPage\s*:\s*(["\'])(?P<url>(?:(?!\1).)+)\1', webpage,
|
||||
'download link', default=None, group='url')
|
||||
if download_link:
|
||||
track_id = self._search_regex(
|
||||
r'(?ms)var TralbumData = .*?[{,]\s*id: (?P<id>\d+),?$',
|
||||
webpage, 'track id')
|
||||
|
||||
download_webpage = self._download_webpage(
|
||||
download_link, video_id, 'Downloading free downloads page')
|
||||
download_webpage = self._download_webpage(
|
||||
download_link, track_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)
|
||||
blob = self._parse_json(
|
||||
self._search_regex(
|
||||
r'data-blob=(["\'])(?P<blob>{.+?})\1', download_webpage,
|
||||
'blob', group='blob'),
|
||||
track_id, transform_source=unescapeHTML)
|
||||
|
||||
info = blob['digital_items'][0]
|
||||
info = try_get(
|
||||
blob, (lambda x: x['digital_items'][0],
|
||||
lambda x: x['download_items'][0]), dict)
|
||||
if info:
|
||||
downloads = info.get('downloads')
|
||||
if isinstance(downloads, dict):
|
||||
if not track:
|
||||
track = info.get('title')
|
||||
if not artist:
|
||||
artist = info.get('artist')
|
||||
if not thumbnail:
|
||||
thumbnail = info.get('thumb_url')
|
||||
|
||||
downloads = info['downloads']
|
||||
track = info['title']
|
||||
download_formats = {}
|
||||
download_formats_list = blob.get('download_formats')
|
||||
if isinstance(download_formats_list, list):
|
||||
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('.')
|
||||
|
||||
artist = info.get('artist')
|
||||
title = '%s - %s' % (artist, track) if artist else track
|
||||
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, track_id, 'Downloading %s JSON' % format_id,
|
||||
transform_source=lambda s: s[s.index('{'):s.rindex('}') + 1],
|
||||
fatal=False)
|
||||
if not stat:
|
||||
continue
|
||||
retry_url = url_or_none(stat.get('retry_url'))
|
||||
if not retry_url:
|
||||
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',
|
||||
})
|
||||
|
||||
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 = url_or_none(stat.get('retry_url'))
|
||||
if not retry_url:
|
||||
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)
|
||||
|
||||
title = '%s - %s' % (artist, track) if artist else track
|
||||
|
||||
if not duration:
|
||||
duration = float_or_none(self._html_search_meta(
|
||||
'duration', webpage, default=None))
|
||||
|
||||
return {
|
||||
'id': video_id,
|
||||
'id': track_id,
|
||||
'title': title,
|
||||
'thumbnail': info.get('thumb_url') or thumbnail,
|
||||
'uploader': info.get('artist'),
|
||||
'artist': artist,
|
||||
'thumbnail': thumbnail,
|
||||
'uploader': artist,
|
||||
'timestamp': timestamp,
|
||||
'release_date': release_date,
|
||||
'duration': duration,
|
||||
'track': track,
|
||||
'track_number': track_number,
|
||||
'track_id': track_id,
|
||||
'artist': artist,
|
||||
'album': album,
|
||||
'formats': formats,
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user