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[niconico] Rewrite NiconicoIE (#3018)

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Closes https://github.com/yt-dlp/yt-dlp/issues/2636, partially fixes https://github.com/yt-dlp/yt-dlp/issues/367
Authored by: Lesmiscore
This commit is contained in:
Lesmiscore (Naoya Ozaki) 2022-03-17 21:22:14 +09:00 committed by GitHub
parent 497a6c5f57
commit 7bdcb4a40e
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2 changed files with 236 additions and 306 deletions
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3
README.md
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@ -1683,6 +1683,9 @@ #### crunchyroll:beta
#### vikichannel
* `video_types`: Types of videos to download - one or more of `episodes`, `movies`, `clips`, `trailers`
#### niconico
* `segment_duration`: Segment duration in milliseconds for HLS-DMC formats. Use it at your own risk since this feature **may result in your account termination.**
#### youtubewebarchive
* `check_all`: Try to check more at the cost of more requests. One or more of `thumbnails`, `captures`

521
yt_dlp/extractor/niconico.py
View file

@ -2,36 +2,36 @@
from __future__ import unicode_literals
import datetime
import itertools
import functools
import itertools
import json
import re
import time
from .common import InfoExtractor, SearchInfoExtractor
from ..postprocessor.ffmpeg import FFmpegPostProcessor
from ..compat import (
compat_str,
compat_parse_qs,
compat_urllib_parse_urlparse,
compat_HTTPError,
)
from ..utils import (
ExtractorError,
dict_get,
OnDemandPagedList,
bug_reports_message,
clean_html,
float_or_none,
int_or_none,
OnDemandPagedList,
join_nonempty,
parse_duration,
parse_filesize,
parse_iso8601,
PostProcessingError,
remove_start,
str_or_none,
traverse_obj,
try_get,
unescapeHTML,
unified_timestamp,
update_url_query,
url_or_none,
urlencode_postdata,
xpath_text,
)
@ -41,7 +41,7 @@ class NiconicoIE(InfoExtractor):
_TESTS = [{
'url': 'http://www.nicovideo.jp/watch/sm22312215',
'md5': 'a5bad06f1347452102953f323c69da34s',
'md5': 'd1a75c0823e2f629128c43e1212760f9',
'info_dict': {
'id': 'sm22312215',
'ext': 'mp4',
@ -164,14 +164,23 @@ class NiconicoIE(InfoExtractor):
}, {
'url': 'http://sp.nicovideo.jp/watch/sm28964488?ss_pos=1&cp_in=wt_tg',
'only_matching': True,
}, {
'note': 'a video that is only served as an ENCRYPTED HLS.',
'url': 'https://www.nicovideo.jp/watch/so38016254',
'only_matching': True,
}]
_VALID_URL = r'https?://(?:www\.|secure\.|sp\.)?nicovideo\.jp/watch/(?P<id>(?:[a-z]{2})?[0-9]+)'
_VALID_URL = r'https?://(?:(?:www\.|secure\.|sp\.)?nicovideo\.jp/watch|nico\.ms)/(?P<id>(?:[a-z]{2})?[0-9]+)'
_NETRC_MACHINE = 'niconico'
_COMMENT_API_ENDPOINTS = (
'https://nvcomment.nicovideo.jp/legacy/api.json',
'https://nmsg.nicovideo.jp/api.json',)
_API_HEADERS = {
'X-Frontend-ID': '6',
'X-Frontend-Version': '0'
'X-Frontend-Version': '0',
'X-Niconico-Language': 'en-us',
'Referer': 'https://www.nicovideo.jp/',
'Origin': 'https://www.nicovideo.jp',
}
def _real_initialize(self):
@ -189,10 +198,17 @@ def _login(self):
'mail_tel': username,
'password': password,
}
self._request_webpage(
'https://account.nicovideo.jp/login', None,
note='Acquiring Login session')
urlh = self._request_webpage(
'https://account.nicovideo.jp/api/v1/login', None,
'https://account.nicovideo.jp/login/redirector?show_button_twitter=1&site=niconico&show_button_facebook=1', None,
note='Logging in', errnote='Unable to log in',
data=urlencode_postdata(login_form_strs))
data=urlencode_postdata(login_form_strs),
headers={
'Referer': 'https://account.nicovideo.jp/login',
'Content-Type': 'application/x-www-form-urlencoded',
})
if urlh is False:
login_ok = False
else:
@ -204,8 +220,8 @@ def _login(self):
return login_ok
def _get_heartbeat_info(self, info_dict):
video_id, video_src_id, audio_src_id = info_dict['url'].split(':')[1].split('/')
dmc_protocol = info_dict['_expected_protocol']
api_data = (
info_dict.get('_api_data')
@ -220,49 +236,50 @@ def _get_heartbeat_info(self, info_dict):
session_api_endpoint = try_get(session_api_data, lambda x: x['urls'][0])
def ping():
status = try_get(
self._download_json(
'https://nvapi.nicovideo.jp/v1/2ab0cbaa/watch', video_id,
query={'t': try_get(api_data, lambda x: x['media']['delivery']['trackingId'])},
note='Acquiring permission for downloading video',
headers=self._API_HEADERS),
lambda x: x['meta']['status'])
if status != 200:
self.report_warning('Failed to acquire permission for playing video. The video may not download.')
tracking_id = traverse_obj(api_data, ('media', 'delivery', 'trackingId'))
if tracking_id:
tracking_url = update_url_query('https://nvapi.nicovideo.jp/v1/2ab0cbaa/watch', {'t': tracking_id})
watch_request_response = self._download_json(
tracking_url, video_id,
note='Acquiring permission for downloading video', fatal=False,
headers=self._API_HEADERS)
if traverse_obj(watch_request_response, ('meta', 'status')) != 200:
self.report_warning('Failed to acquire permission for playing video. Video download may fail.')
yesno = lambda x: 'yes' if x else 'no'
# m3u8 (encryption)
if try_get(api_data, lambda x: x['media']['delivery']['encryption']) is not None:
protocol = 'm3u8'
encryption = self._parse_json(session_api_data['token'], video_id)['hls_encryption']
session_api_http_parameters = {
'parameters': {
'hls_parameters': {
'encryption': {
encryption: {
'encrypted_key': try_get(api_data, lambda x: x['media']['delivery']['encryption']['encryptedKey']),
'key_uri': try_get(api_data, lambda x: x['media']['delivery']['encryption']['keyUri'])
}
},
'transfer_preset': '',
'use_ssl': yesno(session_api_endpoint['isSsl']),
'use_well_known_port': yesno(session_api_endpoint['isWellKnownPort']),
'segment_duration': 6000,
}
}
}
# http
else:
if dmc_protocol == 'http':
protocol = 'http'
session_api_http_parameters = {
'parameters': {
protocol_parameters = {
'http_output_download_parameters': {
'use_ssl': yesno(session_api_endpoint['isSsl']),
'use_well_known_port': yesno(session_api_endpoint['isWellKnownPort']),
'use_ssl': yesno(session_api_data['urls'][0]['isSsl']),
'use_well_known_port': yesno(session_api_data['urls'][0]['isWellKnownPort']),
}
}
elif dmc_protocol == 'hls':
protocol = 'm3u8'
segment_duration = try_get(self._configuration_arg('segment_duration'), lambda x: int(x[0])) or 6000
parsed_token = self._parse_json(session_api_data['token'], video_id)
encryption = traverse_obj(api_data, ('media', 'delivery', 'encryption'))
protocol_parameters = {
'hls_parameters': {
'segment_duration': segment_duration,
'transfer_preset': '',
'use_ssl': yesno(session_api_data['urls'][0]['isSsl']),
'use_well_known_port': yesno(session_api_data['urls'][0]['isWellKnownPort']),
}
}
if 'hls_encryption' in parsed_token and encryption:
protocol_parameters['hls_parameters']['encryption'] = {
parsed_token['hls_encryption']: {
'encrypted_key': encryption['encryptedKey'],
'key_uri': encryption['keyUri'],
}
}
else:
protocol = 'm3u8_native'
else:
raise ExtractorError(f'Unsupported DMC protocol: {dmc_protocol}')
session_response = self._download_json(
session_api_endpoint['url'], video_id,
@ -296,11 +313,13 @@ def ping():
'lifetime': session_api_data.get('heartbeatLifetime')
}
},
'priority': session_api_data.get('priority'),
'priority': session_api_data['priority'],
'protocol': {
'name': 'http',
'parameters': {
'http_parameters': session_api_http_parameters
'http_parameters': {
'parameters': protocol_parameters
}
}
},
'recipe_id': session_api_data.get('recipeId'),
@ -328,36 +347,35 @@ def ping():
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 {}
def _extract_format_for_quality(self, video_id, audio_quality, video_quality, dmc_protocol):
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 = try_get(video_quality, lambda x: x['metadata']['resolution'], dict) or {'height': vdict.get('res')}
vbr = try_get(video_quality, lambda x: x['metadata']['bitrate'], float)
if not audio_quality.get('isAvailable') or not video_quality.get('isAvailable'):
return None
def extract_video_quality(video_quality):
return parse_filesize('%sB' % self._search_regex(
r'\| ([0-9]*\.?[0-9]*[MK])', video_quality, 'vbr', default=''))
format_id = '-'.join(
[remove_start(s['id'], 'archive_') for s in (video_quality, audio_quality)] + [dmc_protocol])
vid_qual_label = traverse_obj(video_quality, ('metadata', 'label'))
vid_quality = traverse_obj(video_quality, ('metadata', 'bitrate'))
return {
'url': '%s:%s/%s/%s' % (protocol, video_id, video_quality['id'], audio_quality['id']),
'url': 'niconico_dmc:%s/%s/%s' % (video_id, video_quality['id'], audio_quality['id']),
'format_id': format_id,
'format_note': 'DMC %s' % try_get(video_quality, lambda x: x['metadata']['label'], compat_str),
'format_note': join_nonempty('DMC', vid_qual_label, dmc_protocol.upper(), delim=' '),
'ext': 'mp4', # Session API are used in HTML5, which always serves mp4
'vcodec': vdict.get('codec'),
'acodec': adict.get('codec'),
'vbr': float_or_none(vbr, 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,
'acodec': 'aac',
'vcodec': 'h264',
'abr': float_or_none(traverse_obj(audio_quality, ('metadata', 'bitrate')), 1000),
'vbr': float_or_none(vid_quality if vid_quality > 0 else extract_video_quality(vid_qual_label), 1000),
'height': traverse_obj(video_quality, ('metadata', 'resolution', 'height')),
'width': traverse_obj(video_quality, ('metadata', 'resolution', 'width')),
'quality': -2 if 'low' in video_quality['id'] else None,
'protocol': 'niconico_dmc',
'_expected_protocol': dmc_protocol,
'http_headers': {
'Origin': 'https://www.nicovideo.jp',
'Referer': 'https://www.nicovideo.jp/watch/' + video_id,
@ -367,7 +385,7 @@ def parse_format_id(id_code):
def _real_extract(self, url):
video_id = self._match_id(url)
# Get video webpage for API data.
try:
webpage, handle = self._download_webpage_handle(
'http://www.nicovideo.jp/watch/' + video_id, video_id)
if video_id.startswith('so'):
@ -376,239 +394,148 @@ def _real_extract(self, url):
api_data = self._parse_json(self._html_search_regex(
'data-api-data="([^"]+)"', webpage,
'API data', default='{}'), video_id)
except ExtractorError as e:
try:
api_data = self._download_json(
'https://www.nicovideo.jp/api/watch/v3/%s?_frontendId=6&_frontendVersion=0&actionTrackId=AAAAAAAAAA_%d' % (video_id, round(time.time() * 1000)), video_id,
note='Downloading API JSON', errnote='Unable to fetch data')['data']
except ExtractorError:
if not isinstance(e.cause, compat_HTTPError):
raise
webpage = e.cause.read().decode('utf-8', 'replace')
error_msg = self._html_search_regex(
r'(?s)<section\s+class="(?:(?:ErrorMessage|WatchExceptionPage-message)\s*)+">(.+?)</section>',
webpage, 'error reason', default=None)
if not error_msg:
raise
raise ExtractorError(re.sub(r'\s+', ' ', error_msg), expected=True)
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
quality_info = try_get(api_data, lambda x: x['media']['delivery']['movie'])
if not quality_info:
raise ExtractorError('The video can\'t be downloaded', expected=True)
def get_video_info(*items, get_first=True, **kwargs):
return traverse_obj(api_data, ('video', *items), get_all=not get_first, **kwargs)
for audio_quality in quality_info.get('audios') or {}:
for video_quality in quality_info.get('videos') or {}:
if not audio_quality.get('isAvailable') or not video_quality.get('isAvailable'):
continue
formats.append(self._extract_format_for_quality(
api_data, video_id, audio_quality, video_quality))
# Get flv/swf info
timestamp = None
video_real_url = try_get(api_data, lambda x: x['video']['smileInfo']['url'])
if video_real_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:
metadata = pp.get_metadata_object(video_real_url, ['-cookies', cookies])
except PostProcessingError as err:
raise ExtractorError(err.msg, expected=True)
v_stream = a_stream = {}
# 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
# 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']
)
# '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
)
# 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')
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,
'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
})
quality_info = api_data['media']['delivery']['movie']
session_api_data = quality_info['session']
for (audio_quality, video_quality, protocol) in itertools.product(quality_info['audios'], quality_info['videos'], session_api_data['protocols']):
fmt = self._extract_format_for_quality(video_id, audio_quality, video_quality, protocol)
if fmt:
formats.append(fmt)
self._sort_formats(formats)
# Start extracting information
title = (
get_video_info_xml('title') # prefer to get the untranslated original title
or get_video_info_web(['originalTitle', 'title'])
or self._og_search_title(webpage, default=None)
or self._html_search_regex(
r'<span[^>]+class="videoHeaderTitle"[^>]*>([^<]+)</span>',
webpage, 'video title'))
watch_api_data_string = self._html_search_regex(
r'<div[^>]+id="watchAPIDataContainer"[^>]+>([^<]+)</div>',
webpage, 'watch api data', default=None)
watch_api_data = self._parse_json(watch_api_data_string, video_id) if watch_api_data_string else {}
video_detail = watch_api_data.get('videoDetail', {})
thumbnail = (
self._html_search_regex(r'<meta property="og:image" content="([^"]+)">', webpage, 'thumbnail data', default=None)
or dict_get( # choose highest from 720p to 240p
get_video_info_web('thumbnail'),
['ogp', 'player', 'largeUrl', 'middleUrl', 'url'])
or self._html_search_meta('image', webpage, 'thumbnail', default=None)
or video_detail.get('thumbnail'))
description = get_video_info_web('description')
if not timestamp:
match = self._html_search_meta('datePublished', webpage, 'date published', default=None)
if match:
timestamp = parse_iso8601(match.replace('+', ':00+'))
if not timestamp and video_detail.get('postedAt'):
timestamp = parse_iso8601(
video_detail['postedAt'].replace('/', '-'),
delimiter=' ', timezone=datetime.timedelta(hours=9))
timestamp = timestamp or try_get(api_data, lambda x: parse_iso8601(x['video']['registeredAt']))
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>',
webpage, 'view count', default=None)
if match:
view_count = int_or_none(match.replace(',', ''))
view_count = (
view_count
or video_detail.get('viewCount')
or try_get(api_data, lambda x: x['video']['count']['view']))
comment_count = (
int_or_none(get_video_info_web('comment_num'))
or video_detail.get('commentCount')
or try_get(api_data, lambda x: x['video']['count']['comment']))
if not comment_count:
match = self._html_search_regex(
r'>Comments: <strong[^>]*>([^<]+)</strong>',
webpage, 'comment count', default=None)
if match:
comment_count = int_or_none(match.replace(',', ''))
duration = (parse_duration(
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_web('duration'))
webpage_url = get_video_info_web('watch_url') or url
# for channel movie and community movie
channel_id = try_get(
api_data,
(lambda x: x['channel']['globalId'],
lambda x: x['community']['globalId']))
channel = try_get(
api_data,
(lambda x: x['channel']['name'],
lambda x: x['community']['name']))
# 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 = str_or_none(
get_video_info_web(['ch_id', 'user_id'])
or owner.get('id')
or channel_id
)
uploader = (
get_video_info_web(['ch_name', 'user_nickname'])
or owner.get('nickname')
or channel
)
tags = None
if webpage:
# use og:video:tag (not logged in)
og_video_tags = re.finditer(r'<meta\s+property="og:video:tag"\s*content="(.*?)">', webpage)
tags = list(filter(None, (clean_html(x.group(1)) for x in og_video_tags)))
if not tags:
# use keywords and split with comma (not logged in)
kwds = self._html_search_meta('keywords', webpage, default=None)
if kwds:
tags = [x for x in kwds.split(',') if x]
if not tags:
# find in json (logged in)
tags = traverse_obj(api_data, ('tag', 'items', ..., 'name'))
return {
'id': video_id,
'_api_data': api_data,
'title': title,
'title': get_video_info(('originalTitle', 'title')) or self._og_search_title(webpage, default=None),
'formats': formats,
'thumbnail': thumbnail,
'description': description,
'uploader': uploader,
'timestamp': timestamp,
'uploader_id': uploader_id,
'channel': channel,
'channel_id': channel_id,
'view_count': view_count,
'comment_count': comment_count,
'duration': duration,
'webpage_url': webpage_url,
'thumbnail': get_video_info('thumbnail', 'url') or self._html_search_meta(
('image', 'og:image'), webpage, 'thumbnail', default=None),
'description': clean_html(get_video_info('description')),
'uploader': traverse_obj(api_data, ('owner', 'nickname')),
'timestamp': parse_iso8601(get_video_info('registeredAt')) or parse_iso8601(
self._html_search_meta('video:release_date', webpage, 'date published', default=None)),
'uploader_id': traverse_obj(api_data, ('owner', 'id')),
'channel': traverse_obj(api_data, ('channel', 'name'), ('community', 'name')),
'channel_id': traverse_obj(api_data, ('channel', 'id'), ('community', 'id')),
'view_count': int_or_none(get_video_info('count', 'view')),
'tags': tags,
'genre': traverse_obj(api_data, ('genre', 'label'), ('genre', 'key')),
'comment_count': get_video_info('count', 'comment', expected_type=int),
'duration': (
parse_duration(self._html_search_meta('video:duration', webpage, 'video duration', default=None))
or get_video_info('duration')),
'webpage_url': url_or_none(url) or f'https://www.nicovideo.jp/watch/{video_id}',
'subtitles': self.extract_subtitles(video_id, api_data, session_api_data),
}
def _get_subtitles(self, video_id, api_data, session_api_data):
comment_user_key = traverse_obj(api_data, ('comment', 'keys', 'userKey'))
user_id_str = session_api_data.get('serviceUserId')
thread_ids = [x for x in traverse_obj(api_data, ('comment', 'threads')) or [] if x['isActive']]
raw_danmaku = self._extract_all_comments(video_id, thread_ids, user_id_str, comment_user_key)
if not raw_danmaku:
self.report_warning(f'Failed to get comments. {bug_reports_message()}')
return
return {
'comments': [{
'ext': 'json',
'data': json.dumps(raw_danmaku),
}],
}
def _extract_all_comments(self, video_id, threads, user_id, user_key):
auth_data = {
'user_id': user_id,
'userkey': user_key,
} if user_id and user_key else {'user_id': ''}
# Request Start
post_data = [{'ping': {'content': 'rs:0'}}]
for i, thread in enumerate(threads):
thread_id = thread['id']
thread_fork = thread['fork']
# Post Start (2N)
post_data.append({'ping': {'content': f'ps:{i * 2}'}})
post_data.append({'thread': {
'fork': thread_fork,
'language': 0,
'nicoru': 3,
'scores': 1,
'thread': thread_id,
'version': '20090904',
'with_global': 1,
**auth_data,
}})
# Post Final (2N)
post_data.append({'ping': {'content': f'pf:{i * 2}'}})
# Post Start (2N+1)
post_data.append({'ping': {'content': f'ps:{i * 2 + 1}'}})
post_data.append({'thread_leaves': {
# format is '<bottom of minute range>-<top of minute range>:<comments per minute>,<total last comments'
# unfortunately NND limits (deletes?) comment returns this way, so you're only able to grab the last 1000 per language
'content': '0-999999:999999,999999,nicoru:999999',
'fork': thread_fork,
'language': 0,
'nicoru': 3,
'scores': 1,
'thread': thread_id,
**auth_data,
}})
# Post Final (2N+1)
post_data.append({'ping': {'content': f'pf:{i * 2 + 1}'}})
# Request Final
post_data.append({'ping': {'content': 'rf:0'}})
for api_url in self._COMMENT_API_ENDPOINTS:
comments = self._download_json(
api_url, video_id, data=json.dumps(post_data).encode(), fatal=False,
headers={
'Referer': 'https://www.nicovideo.jp/watch/%s' % video_id,
'Origin': 'https://www.nicovideo.jp',
'Content-Type': 'text/plain;charset=UTF-8',
},
note='Downloading comments', errnote=f'Failed to access endpoint {api_url}')
if comments:
return comments
class NiconicoPlaylistBaseIE(InfoExtractor):
_PAGE_SIZE = 100