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[bandcamp] Extract more metadata (closes #13197)
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Sergey M․
parent
14b7a24c19
commit
4991e16c2a
@ -1,6 +1,5 @@
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from __future__ import unicode_literals
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import json
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import random
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import re
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import time
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@ -16,15 +15,18 @@
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int_or_none,
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KNOWN_EXTENSIONS,
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parse_filesize,
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str_or_none,
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try_get,
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unescapeHTML,
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update_url_query,
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unified_strdate,
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unified_timestamp,
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url_or_none,
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)
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class BandcampIE(InfoExtractor):
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_VALID_URL = r'https?://.*?\.bandcamp\.com/track/(?P<title>[^/?#&]+)'
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_VALID_URL = r'https?://[^/]+\.bandcamp\.com/track/(?P<title>[^/?#&]+)'
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_TESTS = [{
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'url': 'http://youtube-dl.bandcamp.com/track/youtube-dl-test-song',
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'md5': 'c557841d5e50261777a6585648adf439',
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@ -36,24 +38,44 @@ class BandcampIE(InfoExtractor):
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},
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'_skip': 'There is a limit of 200 free downloads / month for the test song'
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}, {
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# free download
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'url': 'http://benprunty.bandcamp.com/track/lanius-battle',
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'md5': '0369ace6b939f0927e62c67a1a8d9fa7',
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'md5': '853e35bf34aa1d6fe2615ae612564b36',
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'info_dict': {
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'id': '2650410135',
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'ext': 'aiff',
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'title': 'Ben Prunty - Lanius (Battle)',
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'thumbnail': r're:^https?://.*\.jpg$',
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'uploader': 'Ben Prunty',
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'timestamp': 1396508491,
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'upload_date': '20140403',
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'release_date': '20140403',
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'duration': 260.877,
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'track': 'Lanius (Battle)',
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'track_number': 1,
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'track_id': '2650410135',
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'artist': 'Ben Prunty',
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'album': 'FTL: Advanced Edition Soundtrack',
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},
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}, {
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# no free download, mp3 128
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'url': 'https://relapsealumni.bandcamp.com/track/hail-to-fire',
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'md5': 'fec12ff55e804bb7f7ebeb77a800c8b7',
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'info_dict': {
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'id': '2584466013',
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'ext': 'mp3',
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'title': 'Hail to Fire',
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'title': 'Mastodon - Hail to Fire',
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'thumbnail': r're:^https?://.*\.jpg$',
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'uploader': 'Mastodon',
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'timestamp': 1322005399,
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'upload_date': '20111122',
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'release_date': '20040207',
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'duration': 120.79,
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'track': 'Hail to Fire',
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'track_number': 5,
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},
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'params': {
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'skip_download': True,
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'track_id': '2584466013',
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'artist': 'Mastodon',
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'album': 'Call of the Mastodon',
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},
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}]
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@ -62,19 +84,23 @@ def _real_extract(self, url):
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title = mobj.group('title')
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webpage = self._download_webpage(url, title)
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thumbnail = self._html_search_meta('og:image', webpage, default=None)
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m_download = re.search(r'freeDownloadPage: "(.*?)"', webpage)
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if not m_download:
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m_trackinfo = re.search(r'trackinfo: (.+),\s*?\n', webpage)
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if m_trackinfo:
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json_code = m_trackinfo.group(1)
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data = json.loads(json_code)[0]
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track_id = compat_str(data['id'])
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if not data.get('file'):
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raise ExtractorError('Not streamable', video_id=track_id, expected=True)
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track_id = None
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track = None
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track_number = None
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duration = None
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formats = []
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for format_id, format_url in data['file'].items():
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track_info = self._parse_json(
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self._search_regex(
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r'trackinfo\s*:\s*\[\s*({.+?})\s*\]\s*,\s*?\n',
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webpage, 'track info', default='{}'), title)
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if track_info:
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file_ = track_info.get('file')
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if isinstance(file_, dict):
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for format_id, format_url in file_.items():
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if not url_or_none(format_url):
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continue
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ext, abr_str = format_id.split('-', 1)
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formats.append({
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'format_id': format_id,
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@ -84,49 +110,60 @@ def _real_extract(self, url):
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'acodec': ext,
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'abr': int_or_none(abr_str),
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})
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track = track_info.get('title')
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track_id = str_or_none(track_info.get('track_id') or track_info.get('id'))
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track_number = int_or_none(track_info.get('track_num'))
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duration = float_or_none(track_info.get('duration'))
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self._sort_formats(formats)
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def extract(key):
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return self._search_regex(
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r'\b%s\s*["\']?\s*:\s*(["\'])(?P<value>(?:(?!\1).)+)\1' % key,
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webpage, key, default=None, group='value')
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return {
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'id': track_id,
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'title': data['title'],
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'thumbnail': thumbnail,
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'formats': formats,
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'duration': float_or_none(data.get('duration')),
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'track_number': int_or_none(data.get('track_num')),
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}
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else:
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raise ExtractorError('No free songs found')
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artist = extract('artist')
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album = extract('album_title')
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timestamp = unified_timestamp(
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extract('publish_date') or extract('album_publish_date'))
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release_date = unified_strdate(extract('album_release_date'))
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download_link = m_download.group(1)
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video_id = self._search_regex(
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download_link = self._search_regex(
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r'freeDownloadPage\s*:\s*(["\'])(?P<url>(?:(?!\1).)+)\1', webpage,
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'download link', default=None, group='url')
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if download_link:
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track_id = self._search_regex(
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r'(?ms)var TralbumData = .*?[{,]\s*id: (?P<id>\d+),?$',
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webpage, 'video id')
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webpage, 'track id')
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download_webpage = self._download_webpage(
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download_link, video_id, 'Downloading free downloads page')
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download_link, track_id, 'Downloading free downloads page')
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blob = self._parse_json(
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self._search_regex(
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r'data-blob=(["\'])(?P<blob>{.+?})\1', download_webpage,
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'blob', group='blob'),
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video_id, transform_source=unescapeHTML)
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info = blob['digital_items'][0]
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downloads = info['downloads']
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track = info['title']
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track_id, transform_source=unescapeHTML)
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info = try_get(
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blob, (lambda x: x['digital_items'][0],
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lambda x: x['download_items'][0]), dict)
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if info:
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downloads = info.get('downloads')
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if isinstance(downloads, dict):
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if not track:
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track = info.get('title')
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if not artist:
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artist = info.get('artist')
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title = '%s - %s' % (artist, track) if artist else track
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if not thumbnail:
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thumbnail = info.get('thumb_url')
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download_formats = {}
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download_formats_list = blob.get('download_formats')
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if isinstance(download_formats_list, list):
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for f in blob['download_formats']:
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name, ext = f.get('name'), f.get('file_extension')
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if all(isinstance(x, compat_str) for x in (name, ext)):
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download_formats[name] = ext.strip('.')
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formats = []
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for format_id, f in downloads.items():
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format_url = f.get('url')
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if not format_url:
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@ -139,7 +176,7 @@ def _real_extract(self, url):
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})
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format_id = f.get('encoding_name') or format_id
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stat = self._download_json(
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stat_url, video_id, 'Downloading %s JSON' % format_id,
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stat_url, track_id, 'Downloading %s JSON' % format_id,
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transform_source=lambda s: s[s.index('{'):s.rindex('}') + 1],
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fatal=False)
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if not stat:
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@ -155,15 +192,28 @@ def _real_extract(self, url):
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'filesize': parse_filesize(f.get('size_mb')),
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'vcodec': 'none',
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})
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self._sort_formats(formats)
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title = '%s - %s' % (artist, track) if artist else track
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if not duration:
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duration = float_or_none(self._html_search_meta(
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'duration', webpage, default=None))
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return {
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'id': video_id,
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'id': track_id,
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'title': title,
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'thumbnail': info.get('thumb_url') or thumbnail,
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'uploader': info.get('artist'),
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'artist': artist,
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'thumbnail': thumbnail,
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'uploader': artist,
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'timestamp': timestamp,
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'release_date': release_date,
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'duration': duration,
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'track': track,
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'track_number': track_number,
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'track_id': track_id,
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'artist': artist,
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'album': album,
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'formats': formats,
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}
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