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[extractor/niconico:live] Add extractor (#5764)
Authored by: Lesmiscore
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Lesmiscore
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@ -30,7 +30,7 @@ def get_suitable_downloader(info_dict, params={}, default=NO_DEFAULT, protocol=N
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from .http import HttpFD
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from .ism import IsmFD
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from .mhtml import MhtmlFD
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from .niconico import NiconicoDmcFD
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from .niconico import NiconicoDmcFD, NiconicoLiveFD
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from .rtmp import RtmpFD
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from .rtsp import RtspFD
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from .websocket import WebSocketFragmentFD
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@ -50,6 +50,7 @@ def get_suitable_downloader(info_dict, params={}, default=NO_DEFAULT, protocol=N
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'ism': IsmFD,
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'mhtml': MhtmlFD,
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'niconico_dmc': NiconicoDmcFD,
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'niconico_live': NiconicoLiveFD,
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'fc2_live': FC2LiveFD,
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'websocket_frag': WebSocketFragmentFD,
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'youtube_live_chat': YoutubeLiveChatFD,
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@ -1,8 +1,17 @@
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import json
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import threading
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import time
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from . import get_suitable_downloader
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from .common import FileDownloader
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from ..utils import sanitized_Request
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from .external import FFmpegFD
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from ..utils import (
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DownloadError,
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str_or_none,
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sanitized_Request,
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WebSocketsWrapper,
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try_get,
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)
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class NiconicoDmcFD(FileDownloader):
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@ -50,3 +59,93 @@ def heartbeat():
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timer[0].cancel()
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download_complete = True
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return success
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class NiconicoLiveFD(FileDownloader):
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""" Downloads niconico live without being stopped """
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def real_download(self, filename, info_dict):
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video_id = info_dict['video_id']
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ws_url = info_dict['url']
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ws_extractor = info_dict['ws']
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ws_origin_host = info_dict['origin']
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cookies = info_dict.get('cookies')
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live_quality = info_dict.get('live_quality', 'high')
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live_latency = info_dict.get('live_latency', 'high')
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dl = FFmpegFD(self.ydl, self.params or {})
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new_info_dict = info_dict.copy()
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new_info_dict.update({
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'protocol': 'm3u8',
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})
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def communicate_ws(reconnect):
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if reconnect:
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ws = WebSocketsWrapper(ws_url, {
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'Cookies': str_or_none(cookies) or '',
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'Origin': f'https://{ws_origin_host}',
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'Accept': '*/*',
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'User-Agent': self.params['http_headers']['User-Agent'],
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})
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if self.ydl.params.get('verbose', False):
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self.to_screen('[debug] Sending startWatching request')
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ws.send(json.dumps({
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'type': 'startWatching',
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'data': {
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'stream': {
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'quality': live_quality,
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'protocol': 'hls+fmp4',
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'latency': live_latency,
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'chasePlay': False
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},
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'room': {
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'protocol': 'webSocket',
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'commentable': True
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},
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'reconnect': True,
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}
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}))
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else:
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ws = ws_extractor
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with ws:
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while True:
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recv = ws.recv()
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if not recv:
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continue
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data = json.loads(recv)
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if not data or not isinstance(data, dict):
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continue
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if data.get('type') == 'ping':
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# pong back
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ws.send(r'{"type":"pong"}')
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ws.send(r'{"type":"keepSeat"}')
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elif data.get('type') == 'disconnect':
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self.write_debug(data)
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return True
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elif data.get('type') == 'error':
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self.write_debug(data)
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message = try_get(data, lambda x: x['body']['code'], str) or recv
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return DownloadError(message)
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elif self.ydl.params.get('verbose', False):
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if len(recv) > 100:
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recv = recv[:100] + '...'
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self.to_screen('[debug] Server said: %s' % recv)
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def ws_main():
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reconnect = False
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while True:
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try:
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ret = communicate_ws(reconnect)
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if ret is True:
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return
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except BaseException as e:
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self.to_screen('[%s] %s: Connection error occured, reconnecting after 10 seconds: %s' % ('niconico:live', video_id, str_or_none(e)))
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time.sleep(10)
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continue
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finally:
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reconnect = True
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thread = threading.Thread(target=ws_main, daemon=True)
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thread.start()
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return dl.download(filename, new_info_dict)
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@ -1275,6 +1275,7 @@
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NicovideoSearchIE,
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NicovideoSearchURLIE,
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NicovideoTagURLIE,
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NiconicoLiveIE,
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)
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from .ninecninemedia import (
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NineCNineMediaIE,
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@ -5,13 +5,17 @@
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import re
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import time
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from urllib.parse import urlparse
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from .common import InfoExtractor, SearchInfoExtractor
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from ..compat import (
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compat_HTTPError,
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)
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from ..dependencies import websockets
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from ..utils import (
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ExtractorError,
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OnDemandPagedList,
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WebSocketsWrapper,
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bug_reports_message,
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clean_html,
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float_or_none,
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@ -895,3 +899,162 @@ def _entries(self, list_id):
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def _real_extract(self, url):
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list_id = self._match_id(url)
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return self.playlist_result(self._entries(list_id), list_id, ie=NiconicoIE.ie_key())
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class NiconicoLiveIE(InfoExtractor):
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IE_NAME = 'niconico:live'
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IE_DESC = 'ニコニコ生放送'
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_VALID_URL = r'https?://(?:sp\.)?live2?\.nicovideo\.jp/(?:watch|gate)/(?P<id>lv\d+)'
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_TESTS = [{
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'note': 'this test case includes invisible characters for title, pasting them as-is',
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'url': 'https://live.nicovideo.jp/watch/lv339533123',
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'info_dict': {
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'id': 'lv339533123',
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'title': '激辛ペヤング食べます( ;ᯅ; )（歌枠オーディション参加中）',
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'view_count': 1526,
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'comment_count': 1772,
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'description': '初めましてもかって言います❕\nのんびり自由に適当に暮らしてます',
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'uploader': 'もか',
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'channel': 'ゲストさんのコミュニティ',
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'channel_id': 'co5776900',
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'channel_url': 'https://com.nicovideo.jp/community/co5776900',
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'timestamp': 1670677328,
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'is_live': True,
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},
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'skip': 'livestream',
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}, {
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'url': 'https://live2.nicovideo.jp/watch/lv339533123',
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'only_matching': True,
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}, {
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'url': 'https://sp.live.nicovideo.jp/watch/lv339533123',
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'only_matching': True,
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}, {
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'url': 'https://sp.live2.nicovideo.jp/watch/lv339533123',
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'only_matching': True,
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}]
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_KNOWN_LATENCY = ('high', 'low')
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def _real_extract(self, url):
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if not websockets:
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raise ExtractorError('websockets library is not available. Please install it.', expected=True)
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video_id = self._match_id(url)
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webpage, urlh = self._download_webpage_handle(f'https://live.nicovideo.jp/watch/{video_id}', video_id)
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embedded_data = self._parse_json(unescapeHTML(self._search_regex(
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r'<script\s+id="embedded-data"\s*data-props="(.+?)"', webpage, 'embedded data')), video_id)
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ws_url = traverse_obj(embedded_data, ('site', 'relive', 'webSocketUrl'))
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if not ws_url:
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raise ExtractorError('The live hasn\'t started yet or already ended.', expected=True)
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ws_url = update_url_query(ws_url, {
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'frontend_id': traverse_obj(embedded_data, ('site', 'frontendId')) or '9',
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})
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hostname = remove_start(urlparse(urlh.geturl()).hostname, 'sp.')
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cookies = try_get(urlh.geturl(), self._downloader._calc_cookies)
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latency = try_get(self._configuration_arg('latency'), lambda x: x[0])
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if latency not in self._KNOWN_LATENCY:
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latency = 'high'
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ws = WebSocketsWrapper(ws_url, {
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'Cookies': str_or_none(cookies) or '',
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'Origin': f'https://{hostname}',
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'Accept': '*/*',
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'User-Agent': self.get_param('http_headers')['User-Agent'],
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})
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self.write_debug('[debug] Sending HLS server request')
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ws.send(json.dumps({
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'type': 'startWatching',
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'data': {
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'stream': {
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'quality': 'abr',
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'protocol': 'hls+fmp4',
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'latency': latency,
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'chasePlay': False
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},
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'room': {
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'protocol': 'webSocket',
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'commentable': True
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},
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'reconnect': False,
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}
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}))
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while True:
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recv = ws.recv()
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if not recv:
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continue
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data = json.loads(recv)
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if not isinstance(data, dict):
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continue
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if data.get('type') == 'stream':
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m3u8_url = data['data']['uri']
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qualities = data['data']['availableQualities']
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break
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elif data.get('type') == 'disconnect':
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self.write_debug(recv)
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raise ExtractorError('Disconnected at middle of extraction')
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elif data.get('type') == 'error':
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self.write_debug(recv)
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message = traverse_obj(data, ('body', 'code')) or recv
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raise ExtractorError(message)
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elif self.get_param('verbose', False):
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if len(recv) > 100:
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recv = recv[:100] + '...'
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self.write_debug('Server said: %s' % recv)
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title = traverse_obj(embedded_data, ('program', 'title')) or self._html_search_meta(
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('og:title', 'twitter:title'), webpage, 'live title', fatal=False)
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raw_thumbs = traverse_obj(embedded_data, ('program', 'thumbnail')) or {}
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thumbnails = []
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for name, value in raw_thumbs.items():
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if not isinstance(value, dict):
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thumbnails.append({
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'id': name,
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'url': value,
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**parse_resolution(value, lenient=True),
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})
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continue
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for k, img_url in value.items():
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res = parse_resolution(k, lenient=True) or parse_resolution(img_url, lenient=True)
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width, height = res.get('width'), res.get('height')
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thumbnails.append({
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'id': f'{name}_{width}x{height}',
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'url': img_url,
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**res,
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})
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formats = self._extract_m3u8_formats(m3u8_url, video_id, ext='mp4', live=True)
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for fmt, q in zip(formats, reversed(qualities[1:])):
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fmt.update({
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'format_id': q,
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'protocol': 'niconico_live',
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'ws': ws,
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'video_id': video_id,
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'cookies': cookies,
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'live_latency': latency,
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'origin': hostname,
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})
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return {
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'id': video_id,
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'title': title,
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**traverse_obj(embedded_data, {
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'view_count': ('program', 'statistics', 'watchCount'),
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'comment_count': ('program', 'statistics', 'commentCount'),
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'uploader': ('program', 'supplier', 'name'),
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'channel': ('socialGroup', 'name'),
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'channel_id': ('socialGroup', 'id'),
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'channel_url': ('socialGroup', 'socialGroupPageUrl'),
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}),
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'description': clean_html(traverse_obj(embedded_data, ('program', 'description'))),
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'timestamp': int_or_none(traverse_obj(embedded_data, ('program', 'openTime'))),
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'is_live': True,
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'thumbnails': thumbnails,
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'formats': formats,
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}
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