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#49 [niconico] Improved extraction and support encrypted/SMILE movies

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Co-authored-by: tsukumijima <tsukumijima@users.noreply.github.com>
Co-authored-by: tsukumi <39271166+tsukumijima@users.noreply.github.com>
Co-authored-by: Bepis <36346617+bbepis@users.noreply.github.com>
Co-authored-by: pukkandan <pukkandan@gmail.com>
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kurumigi 2021-02-10 15:45:20 +09:00 committed by GitHub
parent 8d801631cf
commit fb198a8a9c
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 338 additions and 168 deletions
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2
youtube_dlc/YoutubeDL.py
View file

@ -2681,7 +2681,7 @@ def list_formats(self, info_dict):
'|',
format_field(f, 'filesize', ' %s', func=format_bytes) + format_field(f, 'filesize_approx', '~%s', func=format_bytes),
format_field(f, 'tbr', '%4dk'),
f.get('protocol').replace('http_dash_segments', 'dash').replace("native", "n"),
f.get('protocol').replace('http_dash_segments', 'dash').replace("native", "n").replace('niconico_', ''),
'|',
format_field(f, 'vcodec', default='unknown').replace('none', ''),
format_field(f, 'vbr', '%4dk'),

2
youtube_dlc/downloader/__init__.py
View file

@ -21,6 +21,7 @@ def _get_real_downloader(info_dict, protocol=None, *args, **kwargs):
from .rtmp import RtmpFD
from .rtsp import RtspFD
from .ism import IsmFD
from .niconico import NiconicoDmcFD
from .youtube_live_chat import YoutubeLiveChatReplayFD
from .external import (
get_external_downloader,
@ -36,6 +37,7 @@ def _get_real_downloader(info_dict, protocol=None, *args, **kwargs):
'f4m': F4mFD,
'http_dash_segments': DashSegmentsFD,
'ism': IsmFD,
'niconico_dmc': NiconicoDmcFD,
'youtube_live_chat_replay': YoutubeLiveChatReplayFD,
}

54
youtube_dlc/downloader/niconico.py Normal file
View file

@ -0,0 +1,54 @@
# coding: utf-8
from __future__ import unicode_literals
import threading
from .common import FileDownloader
from ..downloader import _get_real_downloader
from ..extractor.niconico import NiconicoIE
from ..compat import compat_urllib_request
class NiconicoDmcFD(FileDownloader):
""" Downloading niconico douga from DMC with heartbeat """
FD_NAME = 'niconico_dmc'
def real_download(self, filename, info_dict):
self.to_screen('[%s] Downloading from DMC' % self.FD_NAME)
ie = NiconicoIE(self.ydl)
info_dict, heartbeat_info_dict = ie._get_heartbeat_info(info_dict)
fd = _get_real_downloader(info_dict, params=self.params)(self.ydl, self.params)
success = download_complete = False
timer = [None]
heartbeat_lock = threading.Lock()
heartbeat_url = heartbeat_info_dict['url']
heartbeat_data = heartbeat_info_dict['data']
heartbeat_interval = heartbeat_info_dict.get('interval', 30)
self.to_screen('[%s] Heartbeat with %s second interval...' % (self.FD_NAME, heartbeat_interval))
def heartbeat():
try:
compat_urllib_request.urlopen(url=heartbeat_url, data=heartbeat_data.encode())
except Exception:
self.to_screen('[%s] Heartbeat failed' % self.FD_NAME)
with heartbeat_lock:
if not download_complete:
timer[0] = threading.Timer(heartbeat_interval, heartbeat)
timer[0].start()
try:
heartbeat()
success = fd.real_download(filename, info_dict)
finally:
if heartbeat_lock:
with heartbeat_lock:
timer[0].cancel()
download_complete = True
return success

448
youtube_dlc/extractor/niconico.py
View file

@ -1,25 +1,25 @@
# coding: utf-8
from __future__ import unicode_literals
import datetime
import functools
import re
import json
import math
import datetime
from .common import InfoExtractor
from ..postprocessor.ffmpeg import FFmpegPostProcessor
from ..compat import (
compat_parse_qs,
compat_urllib_parse_urlparse,
)
from ..utils import (
determine_ext,
dict_get,
ExtractorError,
float_or_none,
InAdvancePagedList,
int_or_none,
float_or_none,
OnDemandPagedList,
parse_duration,
parse_iso8601,
PostProcessingError,
remove_start,
try_get,
unified_timestamp,
@ -191,37 +191,87 @@ def _login(self):
self._downloader.report_warning('unable to log in: bad username or password')
return login_ok
def _extract_format_for_quality(self, api_data, video_id, audio_quality, video_quality):
def yesno(boolean):
return 'yes' if boolean else 'no'
def _get_heartbeat_info(self, info_dict):
session_api_data = api_data['video']['dmcInfo']['session_api']
session_api_endpoint = session_api_data['urls'][0]
video_id, video_src_id, audio_src_id = info_dict['url'].split(':')[1].split('/')
format_id = '-'.join(map(lambda s: remove_start(s['id'], 'archive_'), [video_quality, audio_quality]))
# Get video webpage for API data.
webpage, handle = self._download_webpage_handle(
'http://www.nicovideo.jp/watch/' + video_id, video_id)
api_data = self._parse_json(self._html_search_regex(
'data-api-data="([^"]+)"', webpage,
'API data', default='{}'), video_id)
session_api_data = try_get(api_data, lambda x: x['video']['dmcInfo']['session_api'])
session_api_endpoint = try_get(session_api_data, lambda x: x['urls'][0])
# ping
self._download_json(
'https://nvapi.nicovideo.jp/v1/2ab0cbaa/watch', video_id,
query={'t': try_get(api_data, lambda x: x['video']['dmcInfo']['tracking_id'])},
headers={
'Origin': 'https://www.nicovideo.jp',
'Referer': 'https://www.nicovideo.jp/watch/' + video_id,
'X-Frontend-Id': '6',
'X-Frontend-Version': '0'
})
yesno = lambda x: 'yes' if x else 'no'
# m3u8 (encryption)
if 'encryption' in try_get(api_data, lambda x: x['video']['dmcInfo']) or {}:
protocol = 'm3u8'
session_api_http_parameters = {
'parameters': {
'hls_parameters': {
'encryption': {
'hls_encryption_v1': {
'encrypted_key': try_get(api_data, lambda x: x['video']['dmcInfo']['encryption']['hls_encryption_v1']['encrypted_key']),
'key_uri': try_get(api_data, lambda x: x['video']['dmcInfo']['encryption']['hls_encryption_v1']['key_uri'])
}
},
'transfer_preset': '',
'use_ssl': yesno(session_api_endpoint['is_ssl']),
'use_well_known_port': yesno(session_api_endpoint['is_well_known_port']),
'segment_duration': 6000
}
}
}
# http
else:
protocol = 'http'
session_api_http_parameters = {
'parameters': {
'http_output_download_parameters': {
'use_ssl': yesno(session_api_endpoint['is_ssl']),
'use_well_known_port': yesno(session_api_endpoint['is_well_known_port']),
}
}
}
session_response = self._download_json(
session_api_endpoint['url'], video_id,
query={'_format': 'json'},
headers={'Content-Type': 'application/json'},
note='Downloading JSON metadata for %s' % format_id,
note='Downloading JSON metadata for %s' % info_dict['format_id'],
data=json.dumps({
'session': {
'client_info': {
'player_id': session_api_data['player_id'],
'player_id': session_api_data.get('player_id'),
},
'content_auth': {
'auth_type': session_api_data['auth_types'][session_api_data['protocols'][0]],
'content_key_timeout': session_api_data['content_key_timeout'],
'auth_type': try_get(session_api_data, lambda x: x['auth_types'][session_api_data['protocols'][0]]),
'content_key_timeout': session_api_data.get('content_key_timeout'),
'service_id': 'nicovideo',
'service_user_id': session_api_data['service_user_id']
'service_user_id': session_api_data.get('service_user_id')
},
'content_id': session_api_data['content_id'],
'content_id': session_api_data.get('content_id'),
'content_src_id_sets': [{
'content_src_ids': [{
'src_id_to_mux': {
'audio_src_ids': [audio_quality['id']],
'video_src_ids': [video_quality['id']],
'audio_src_ids': [audio_src_id],
'video_src_ids': [video_src_id],
}
}]
}],
@ -229,52 +279,78 @@ def yesno(boolean):
'content_uri': '',
'keep_method': {
'heartbeat': {
'lifetime': session_api_data['heartbeat_lifetime']
'lifetime': session_api_data.get('heartbeat_lifetime')
}
},
'priority': session_api_data['priority'],
'priority': session_api_data.get('priority'),
'protocol': {
'name': 'http',
'parameters': {
'http_parameters': {
'parameters': {
'http_output_download_parameters': {
'use_ssl': yesno(session_api_endpoint['is_ssl']),
'use_well_known_port': yesno(session_api_endpoint['is_well_known_port']),
}
}
}
'http_parameters': session_api_http_parameters
}
},
'recipe_id': session_api_data['recipe_id'],
'recipe_id': session_api_data.get('recipe_id'),
'session_operation_auth': {
'session_operation_auth_by_signature': {
'signature': session_api_data['signature'],
'token': session_api_data['token'],
'signature': session_api_data.get('signature'),
'token': session_api_data.get('token'),
}
},
'timing_constraint': 'unlimited'
}
}).encode())
resolution = video_quality.get('resolution', {})
info_dict['url'] = session_response['data']['session']['content_uri']
info_dict['protocol'] = protocol
# get heartbeat info
heartbeat_info_dict = {
'url': session_api_endpoint['url'] + '/' + session_response['data']['session']['id'] + '?_format=json&_method=PUT',
'data': json.dumps(session_response['data']),
# interval, convert milliseconds to seconds, then halve to make a buffer.
'interval': float_or_none(session_api_data.get('heartbeat_lifetime'), scale=2000),
}
return info_dict, heartbeat_info_dict
def _extract_format_for_quality(self, api_data, video_id, audio_quality, video_quality):
def parse_format_id(id_code):
mobj = re.match(r'''(?x)
(?:archive_)?
(?:(?P<codec>[^_]+)_)?
(?:(?P<br>[\d]+)kbps_)?
(?:(?P<res>[\d+]+)p_)?
''', '%s_' % id_code)
return mobj.groupdict() if mobj else {}
protocol = 'niconico_dmc'
format_id = '-'.join(map(lambda s: remove_start(s['id'], 'archive_'), [video_quality, audio_quality]))
vdict = parse_format_id(video_quality['id'])
adict = parse_format_id(audio_quality['id'])
resolution = video_quality.get('resolution', {'height': vdict.get('res')})
return {
'url': session_response['data']['session']['content_uri'],
'url': '%s:%s/%s/%s' % (protocol, video_id, video_quality['id'], audio_quality['id']),
'format_id': format_id,
'ext': 'mp4', # Session API are used in HTML5, which always serves mp4
'abr': float_or_none(audio_quality.get('bitrate'), 1000),
'vbr': float_or_none(video_quality.get('bitrate'), 1000),
'height': resolution.get('height'),
'width': resolution.get('width'),
'vcodec': vdict.get('codec'),
'acodec': adict.get('codec'),
'vbr': float_or_none(video_quality.get('bitrate'), 1000) or float_or_none(vdict.get('br')),
'abr': float_or_none(audio_quality.get('bitrate'), 1000) or float_or_none(adict.get('br')),
'height': int_or_none(resolution.get('height', vdict.get('res'))),
'width': int_or_none(resolution.get('width')),
'quality': -2 if 'low' in format_id else -1, # Default quality value is -1
'protocol': protocol,
'http_headers': {
'Origin': 'https://www.nicovideo.jp',
'Referer': 'https://www.nicovideo.jp/watch/' + video_id,
}
}
def _real_extract(self, url):
video_id = self._match_id(url)
# Get video webpage. We are not actually interested in it for normal
# cases, but need the cookies in order to be able to download the
# info webpage
# Get video webpage for API data.
webpage, handle = self._download_webpage_handle(
'http://www.nicovideo.jp/watch/' + video_id, video_id)
if video_id.startswith('so'):
@ -284,80 +360,134 @@ def _real_extract(self, url):
'data-api-data="([^"]+)"', webpage,
'API data', default='{}'), video_id)
def _format_id_from_url(video_url):
return 'economy' if video_real_url.endswith('low') else 'normal'
def get_video_info_web(items):
return dict_get(api_data['video'], items)
# Get video info
video_info_xml = self._download_xml(
'http://ext.nicovideo.jp/api/getthumbinfo/' + video_id,
video_id, note='Downloading video info page')
def get_video_info_xml(items):
if not isinstance(items, list):
items = [items]
for item in items:
ret = xpath_text(video_info_xml, './/' + item)
if ret:
return ret
if get_video_info_xml('error'):
error_code = get_video_info_xml('code')
if error_code == 'DELETED':
raise ExtractorError('The video has been deleted.',
expected=True)
elif error_code == 'NOT_FOUND':
raise ExtractorError('The video is not found.',
expected=True)
elif error_code == 'COMMUNITY':
self.to_screen('%s: The video is community members only.' % video_id)
else:
raise ExtractorError('%s reports error: %s' % (self.IE_NAME, error_code))
# Start extracting video formats
formats = []
# Get HTML5 videos info
try:
dmc_info = api_data['video']['dmcInfo']
except KeyError:
raise ExtractorError('The video can\'t downloaded.',
expected=True)
quality_info = dmc_info.get('quality')
for audio_quality in quality_info.get('audios') or {}:
for video_quality in quality_info.get('videos') or {}:
if not audio_quality.get('available') or not video_quality.get('available'):
continue
formats.append(self._extract_format_for_quality(
api_data, video_id, audio_quality, video_quality))
# Get flv/swf info
video_real_url = try_get(api_data, lambda x: x['video']['smileInfo']['url'])
is_economy = video_real_url.endswith('low')
if is_economy:
self.report_warning('Site is currently in economy mode! You will only have access to lower quality streams')
# Invoking ffprobe to determine resolution
pp = FFmpegPostProcessor(self._downloader)
cookies = self._get_cookies('https://nicovideo.jp').output(header='', sep='; path=/; domain=nicovideo.jp;\n')
self.to_screen('%s: %s' % (video_id, 'Checking smile format with ffprobe'))
try:
video_real_url = api_data['video']['smileInfo']['url']
except KeyError: # Flash videos
# Get flv info
flv_info_webpage = self._download_webpage(
'http://flapi.nicovideo.jp/api/getflv/' + video_id + '?as3=1',
video_id, 'Downloading flv info')
metadata = pp.get_metadata_object(video_real_url, ['-cookies', cookies])
except PostProcessingError as err:
raise ExtractorError(err.msg, expected=True)
flv_info = compat_parse_qs(flv_info_webpage)
if 'url' not in flv_info:
if 'deleted' in flv_info:
raise ExtractorError('The video has been deleted.',
expected=True)
elif 'closed' in flv_info:
raise ExtractorError('Niconico videos now require logging in',
expected=True)
elif 'error' in flv_info:
raise ExtractorError('%s reports error: %s' % (
self.IE_NAME, flv_info['error'][0]), expected=True)
else:
raise ExtractorError('Unable to find video URL')
v_stream = a_stream = {}
video_info_xml = self._download_xml(
'http://ext.nicovideo.jp/api/getthumbinfo/' + video_id,
video_id, note='Downloading video info page')
# Some complex swf files doesn't have video stream (e.g. nm4809023)
for stream in metadata['streams']:
if stream['codec_type'] == 'video':
v_stream = stream
elif stream['codec_type'] == 'audio':
a_stream = stream
def get_video_info(items):
if not isinstance(items, list):
items = [items]
for item in items:
ret = xpath_text(video_info_xml, './/' + item)
if ret:
return ret
# Community restricted videos seem to have issues with the thumb API not returning anything at all
filesize = int(
(get_video_info_xml('size_high') if not is_economy else get_video_info_xml('size_low'))
or metadata['format']['size']
)
extension = (
get_video_info_xml('movie_type')
or 'mp4' if 'mp4' in metadata['format']['format_name'] else metadata['format']['format_name']
)
video_real_url = flv_info['url'][0]
# 'creation_time' tag on video stream of re-encoded SMILEVIDEO mp4 files are '1970-01-01T00:00:00.000000Z'.
timestamp = (
parse_iso8601(get_video_info_web('first_retrieve'))
or unified_timestamp(get_video_info_web('postedDateTime'))
)
metadata_timestamp = (
parse_iso8601(try_get(v_stream, lambda x: x['tags']['creation_time']))
or timestamp if extension != 'mp4' else 0
)
extension = get_video_info('movie_type')
if not extension:
extension = determine_ext(video_real_url)
# According to compconf, smile videos from pre-2017 are always better quality than their DMC counterparts
smile_threshold_timestamp = parse_iso8601('2016-12-08T00:00:00+09:00')
formats = [{
is_source = timestamp < smile_threshold_timestamp or metadata_timestamp > 0
# If movie file size is unstable, old server movie is not source movie.
if filesize > 1:
formats.append({
'url': video_real_url,
'format_id': 'smile' if not is_economy else 'smile_low',
'format_note': 'SMILEVIDEO source' if not is_economy else 'SMILEVIDEO low quality',
'ext': extension,
'format_id': _format_id_from_url(video_real_url),
}]
else:
formats = []
'container': extension,
'vcodec': v_stream.get('codec_name'),
'acodec': a_stream.get('codec_name'),
# Some complex swf files doesn't have total bit rate metadata (e.g. nm6049209)
'tbr': int_or_none(metadata['format'].get('bit_rate'), scale=1000),
'vbr': int_or_none(v_stream.get('bit_rate'), scale=1000),
'abr': int_or_none(a_stream.get('bit_rate'), scale=1000),
'height': int_or_none(v_stream.get('height')),
'width': int_or_none(v_stream.get('width')),
'source_preference': 5 if not is_economy else -2,
'quality': 5 if is_source and not is_economy else None,
'filesize': filesize
})
dmc_info = api_data['video'].get('dmcInfo')
if dmc_info: # "New" HTML5 videos
quality_info = dmc_info['quality']
for audio_quality in quality_info['audios']:
for video_quality in quality_info['videos']:
if not audio_quality['available'] or not video_quality['available']:
continue
formats.append(self._extract_format_for_quality(
api_data, video_id, audio_quality, video_quality))
if len(formats) == 0:
raise ExtractorError('Unable to find video info.')
self._sort_formats(formats)
else: # "Old" HTML5 videos
formats = [{
'url': video_real_url,
'ext': 'mp4',
'format_id': _format_id_from_url(video_real_url),
}]
def get_video_info(items):
return dict_get(api_data['video'], items)
self._sort_formats(formats)
# Start extracting information
title = get_video_info('title')
title = get_video_info_web('originalTitle')
if not title:
title = self._og_search_title(webpage, default=None)
if not title:
@ -372,14 +502,13 @@ def get_video_info(items):
video_detail = watch_api_data.get('videoDetail', {})
thumbnail = (
get_video_info(['thumbnail_url', 'thumbnailURL'])
self._html_search_regex(r'<meta property="og:image" content="([^"]+)">', webpage, 'thumbnail data', default=None)
or get_video_info_web(['thumbnail_url', 'largeThumbnailURL', 'thumbnailURL'])
or self._html_search_meta('image', webpage, 'thumbnail', default=None)
or video_detail.get('thumbnail'))
description = get_video_info('description')
description = get_video_info_web('description')
timestamp = (parse_iso8601(get_video_info('first_retrieve'))
or unified_timestamp(get_video_info('postedDateTime')))
if not timestamp:
match = self._html_search_meta('datePublished', webpage, 'date published', default=None)
if match:
@ -389,7 +518,7 @@ def get_video_info(items):
video_detail['postedAt'].replace('/', '-'),
delimiter=' ', timezone=datetime.timedelta(hours=9))
view_count = int_or_none(get_video_info(['view_counter', 'viewCount']))
view_count = int_or_none(get_video_info_web(['view_counter', 'viewCount']))
if not view_count:
match = self._html_search_regex(
r'>Views: <strong[^>]*>([^<]+)</strong>',
@ -398,7 +527,7 @@ def get_video_info(items):
view_count = int_or_none(match.replace(',', ''))
view_count = view_count or video_detail.get('viewCount')
comment_count = (int_or_none(get_video_info('comment_num'))
comment_count = (int_or_none(get_video_info_web('comment_num'))
or video_detail.get('commentCount')
or try_get(api_data, lambda x: x['thread']['commentCount']))
if not comment_count:
@ -409,19 +538,19 @@ def get_video_info(items):
comment_count = int_or_none(match.replace(',', ''))
duration = (parse_duration(
get_video_info('length')
get_video_info_web('length')
or self._html_search_meta(
'video:duration', webpage, 'video duration', default=None))
or video_detail.get('length')
or get_video_info('duration'))
or get_video_info_web('duration'))
webpage_url = get_video_info('watch_url') or url
webpage_url = get_video_info_web('watch_url') or url
# Note: cannot use api_data.get('owner', {}) because owner may be set to "null"
# in the JSON, which will cause None to be returned instead of {}.
owner = try_get(api_data, lambda x: x.get('owner'), dict) or {}
uploader_id = get_video_info(['ch_id', 'user_id']) or owner.get('id')
uploader = get_video_info(['ch_name', 'user_nickname']) or owner.get('nickname')
uploader_id = get_video_info_web(['ch_id', 'user_id']) or owner.get('id')
uploader = get_video_info_web(['ch_name', 'user_nickname']) or owner.get('nickname')
return {
'id': video_id,
@ -456,60 +585,45 @@ class NiconicoPlaylistIE(InfoExtractor):
'url': 'https://www.nicovideo.jp/user/805442/mylist/27411728',
'only_matching': True,
}]
_PAGE_SIZE = 100
def _call_api(self, list_id, resource, query):
return self._download_json(
'https://nvapi.nicovideo.jp/v2/mylists/' + list_id, list_id,
'Downloading %s JSON metatdata' % resource, query=query,
headers={'X-Frontend-Id': 6})['data']['mylist']
def _parse_owner(self, item):
owner = item.get('owner') or {}
if owner:
return {
'uploader': owner.get('name'),
'uploader_id': owner.get('id'),
}
return {}
def _fetch_page(self, list_id, page):
page += 1
items = self._call_api(list_id, 'page %d' % page, {
'page': page,
'pageSize': self._PAGE_SIZE,
})['items']
for item in items:
video = item.get('video') or {}
video_id = video.get('id')
if not video_id:
continue
count = video.get('count') or {}
get_count = lambda x: int_or_none(count.get(x))
info = {
'_type': 'url',
'id': video_id,
'title': video.get('title'),
'url': 'https://www.nicovideo.jp/watch/' + video_id,
'description': video.get('shortDescription'),
'duration': int_or_none(video.get('duration')),
'view_count': get_count('view'),
'comment_count': get_count('comment'),
'ie_key': NiconicoIE.ie_key(),
}
info.update(self._parse_owner(video))
yield info
def _real_extract(self, url):
list_id = self._match_id(url)
mylist = self._call_api(list_id, 'list', {
'pageSize': 1,
})
entries = InAdvancePagedList(
functools.partial(self._fetch_page, list_id),
math.ceil(mylist['totalItemCount'] / self._PAGE_SIZE),
self._PAGE_SIZE)
result = self.playlist_result(
entries, list_id, mylist.get('name'), mylist.get('description'))
result.update(self._parse_owner(mylist))
return result
webpage = self._download_webpage(url, list_id)
header = self._parse_json(self._html_search_regex(
r'data-common-header="([^"]+)"', webpage,
'webpage header'), list_id)
frontendId = header.get('initConfig').get('frontendId')
frontendVersion = header.get('initConfig').get('frontendVersion')
def get_page_data(pagenum, pagesize):
return self._download_json(
'http://nvapi.nicovideo.jp/v2/mylists/' + list_id, list_id,
query={'page': 1 + pagenum, 'pageSize': pagesize},
headers={
'X-Frontend-Id': frontendId,
'X-Frontend-Version': frontendVersion,
}).get('data').get('mylist')
data = get_page_data(0, 1)
title = data.get('name')
description = data.get('description')
uploader = data.get('owner').get('name')
uploader_id = data.get('owner').get('id')
def pagefunc(pagenum):
data = get_page_data(pagenum, 25)
return ({
'_type': 'url',
'url': 'http://www.nicovideo.jp/watch/' + item.get('watchId'),
} for item in data.get('items'))
return {
'_type': 'playlist',
'id': list_id,
'title': title,
'description': description,
'uploader': uploader,
'uploader_id': uploader_id,
'entries': OnDemandPagedList(pagefunc, 25),
}