mirror of https://github.com/yt-dlp/yt-dlp
lauren n. liberda
10 months ago
committed by
GitHub
parent
35f4f764a7
commit
fcaa2e735b
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import functools
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from .common import InfoExtractor
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from ..networking import HEADRequest
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from ..utils import (
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float_or_none,
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int_or_none,
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join_nonempty,
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parse_qs,
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update_url_query,
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)
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from ..utils.traversal import traverse_obj
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class RedCDNLivxIE(InfoExtractor):
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_VALID_URL = r'https?://[^.]+\.(?:dcs\.redcdn|atmcdn)\.pl/(?:live(?:dash|hls|ss)|nvr)/o2/(?P<tenant>[^/?#]+)/(?P<id>[^?#]+)\.livx'
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IE_NAME = 'redcdnlivx'
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_TESTS = [{
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'url': 'https://r.dcs.redcdn.pl/livedash/o2/senat/ENC02/channel.livx?indexMode=true&startTime=638272860000&stopTime=638292544000',
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'info_dict': {
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'id': 'ENC02-638272860000-638292544000',
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'ext': 'mp4',
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'title': 'ENC02',
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'duration': 19683.982,
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'live_status': 'was_live',
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},
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}, {
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'url': 'https://r.dcs.redcdn.pl/livedash/o2/sejm/ENC18/live.livx?indexMode=true&startTime=722333096000&stopTime=722335562000',
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'info_dict': {
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'id': 'ENC18-722333096000-722335562000',
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'ext': 'mp4',
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'title': 'ENC18',
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'duration': 2463.995,
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'live_status': 'was_live',
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},
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}, {
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'url': 'https://r.dcs.redcdn.pl/livehls/o2/sportevolution/live/triathlon2018/warsaw.livx/playlist.m3u8?startTime=550305000000&stopTime=550327620000',
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'info_dict': {
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'id': 'triathlon2018-warsaw-550305000000-550327620000',
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'ext': 'mp4',
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'title': 'triathlon2018/warsaw',
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'duration': 22619.98,
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'live_status': 'was_live',
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},
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}, {
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'url': 'https://n-25-12.dcs.redcdn.pl/nvr/o2/sejm/Migacz-ENC01/1.livx?startTime=722347200000&stopTime=722367345000',
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'only_matching': True,
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}, {
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'url': 'https://redir.atmcdn.pl/nvr/o2/sejm/ENC08/1.livx?startTime=503831270000&stopTime=503840040000',
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'only_matching': True,
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}]
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"""
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Known methods (first in url path):
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- `livedash` - DASH MPD
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- `livehls` - HTTP Live Streaming
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- `livess` - IIS Smooth Streaming
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- `nvr` - CCTV mode, directly returns a file, typically flv, avc1, aac
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- `sc` - shoutcast/icecast (audio streams, like radio)
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"""
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def _real_extract(self, url):
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tenant, path = self._match_valid_url(url).group('tenant', 'id')
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qs = parse_qs(url)
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start_time = traverse_obj(qs, ('startTime', 0, {int_or_none}))
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stop_time = traverse_obj(qs, ('stopTime', 0, {int_or_none}))
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def livx_mode(mode):
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suffix = ''
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if mode == 'livess':
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suffix = '/manifest'
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elif mode == 'livehls':
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suffix = '/playlist.m3u8'
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file_qs = {}
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if start_time:
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file_qs['startTime'] = start_time
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if stop_time:
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file_qs['stopTime'] = stop_time
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if mode == 'nvr':
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file_qs['nolimit'] = 1
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elif mode != 'sc':
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file_qs['indexMode'] = 'true'
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return update_url_query(f'https://r.dcs.redcdn.pl/{mode}/o2/{tenant}/{path}.livx{suffix}', file_qs)
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# no id or title for a transmission. making ones up.
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title = path \
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.replace('/live', '').replace('live/', '') \
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.replace('/channel', '').replace('channel/', '') \
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.strip('/')
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video_id = join_nonempty(title.replace('/', '-'), start_time, stop_time)
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formats = []
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# downloading the manifest separately here instead of _extract_ism_formats to also get some stream metadata
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ism_res = self._download_xml_handle(
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livx_mode('livess'), video_id,
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note='Downloading ISM manifest',
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errnote='Failed to download ISM manifest',
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fatal=False)
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ism_doc = None
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if ism_res is not False:
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ism_doc, ism_urlh = ism_res
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formats, _ = self._parse_ism_formats_and_subtitles(ism_doc, ism_urlh.url, 'ss')
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nvr_urlh = self._request_webpage(
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HEADRequest(livx_mode('nvr')), video_id, 'Follow flv file redirect', fatal=False,
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expected_status=lambda _: True)
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if nvr_urlh and nvr_urlh.status == 200:
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formats.append({
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'url': nvr_urlh.url,
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'ext': 'flv',
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'format_id': 'direct-0',
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'preference': -1, # might be slow
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})
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formats.extend(self._extract_mpd_formats(livx_mode('livedash'), video_id, mpd_id='dash', fatal=False))
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formats.extend(self._extract_m3u8_formats(
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livx_mode('livehls'), video_id, m3u8_id='hls', ext='mp4', fatal=False))
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time_scale = traverse_obj(ism_doc, ('@TimeScale', {int_or_none})) or 10000000
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duration = traverse_obj(
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ism_doc, ('@Duration', {functools.partial(float_or_none, scale=time_scale)})) or None
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live_status = None
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if traverse_obj(ism_doc, '@IsLive') == 'TRUE':
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live_status = 'is_live'
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elif duration:
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live_status = 'was_live'
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return {
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'id': video_id,
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'title': title,
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'formats': formats,
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'duration': duration,
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'live_status': live_status,
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}
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@ -0,0 +1,218 @@
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import datetime
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from .common import InfoExtractor
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from .redge import RedCDNLivxIE
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from ..utils import (
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clean_html,
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join_nonempty,
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js_to_json,
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strip_or_none,
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update_url_query,
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)
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from ..utils.traversal import traverse_obj
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def is_dst(date):
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last_march = datetime.datetime(date.year, 3, 31)
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last_october = datetime.datetime(date.year, 10, 31)
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last_sunday_march = last_march - datetime.timedelta(days=last_march.isoweekday() % 7)
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last_sunday_october = last_october - datetime.timedelta(days=last_october.isoweekday() % 7)
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return last_sunday_march.replace(hour=2) <= date <= last_sunday_october.replace(hour=3)
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def rfc3339_to_atende(date):
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date = datetime.datetime.fromisoformat(date)
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date = date + datetime.timedelta(hours=1 if is_dst(date) else 0)
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return int((date.timestamp() - 978307200) * 1000)
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class SejmIE(InfoExtractor):
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_VALID_URL = (
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r'https?://(?:www\.)?sejm\.gov\.pl/[Ss]ejm(?P<term>\d+)\.nsf/transmisje(?:_arch)?\.xsp(?:\?[^#]*)?#(?P<id>[\dA-F]+)',
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r'https?://(?:www\.)?sejm\.gov\.pl/[Ss]ejm(?P<term>\d+)\.nsf/transmisje(?:_arch)?\.xsp\?(?:[^#]+&)?unid=(?P<id>[\dA-F]+)',
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r'https?://sejm-embed\.redcdn\.pl/[Ss]ejm(?P<term>\d+)\.nsf/VideoFrame\.xsp/(?P<id>[\dA-F]+)',
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)
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IE_NAME = 'sejm'
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_TESTS = [{
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# multiple cameras, polish SL iterpreter
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'url': 'https://www.sejm.gov.pl/Sejm10.nsf/transmisje_arch.xsp#6181EF1AD9CEEBB5C1258A6D006452B5',
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'info_dict': {
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'id': '6181EF1AD9CEEBB5C1258A6D006452B5',
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'title': '1. posiedzenie Sejmu X kadencji',
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'duration': 20145,
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'live_status': 'was_live',
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'location': 'Sala Posiedzeń',
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},
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'playlist': [{
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'info_dict': {
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'id': 'ENC01-722340000000-722360145000',
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'ext': 'mp4',
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'duration': 20145,
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'title': '1. posiedzenie Sejmu X kadencji - ENC01',
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'live_status': 'was_live',
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},
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}, {
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'info_dict': {
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'id': 'ENC30-722340000000-722360145000',
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'ext': 'mp4',
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'duration': 20145,
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'title': '1. posiedzenie Sejmu X kadencji - ENC30',
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'live_status': 'was_live',
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},
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}, {
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'info_dict': {
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'id': 'ENC31-722340000000-722360145000',
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'ext': 'mp4',
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'duration': 20145,
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'title': '1. posiedzenie Sejmu X kadencji - ENC31',
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'live_status': 'was_live',
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},
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}, {
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'info_dict': {
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'id': 'ENC32-722340000000-722360145000',
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'ext': 'mp4',
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'duration': 20145,
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'title': '1. posiedzenie Sejmu X kadencji - ENC32',
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'live_status': 'was_live',
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},
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}, {
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# sign lang interpreter
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'info_dict': {
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'id': 'Migacz-ENC01-1-722340000000-722360145000',
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'ext': 'mp4',
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'duration': 20145,
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'title': '1. posiedzenie Sejmu X kadencji - Migacz-ENC01',
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'live_status': 'was_live',
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},
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}],
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}, {
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'url': 'https://www.sejm.gov.pl/Sejm8.nsf/transmisje.xsp?unid=9377A9D65518E9A5C125808E002E9FF2',
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'info_dict': {
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'id': '9377A9D65518E9A5C125808E002E9FF2',
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'title': 'Debata "Lepsza Polska: obywatelska"',
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'description': 'KP .Nowoczesna',
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'duration': 8770,
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'live_status': 'was_live',
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'location': 'sala kolumnowa im. Kazimierza Pużaka (bud. C-D)',
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},
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'playlist': [{
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'info_dict': {
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'id': 'ENC08-1-503831270000-503840040000',
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'ext': 'mp4',
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'duration': 8770,
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'title': 'Debata "Lepsza Polska: obywatelska" - ENC08',
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'live_status': 'was_live',
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},
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}],
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}, {
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# 7th term is very special, since it does not use redcdn livx
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'url': 'https://www.sejm.gov.pl/sejm7.nsf/transmisje_arch.xsp?rok=2015&month=11#A6E6D475ECCC6FE5C1257EF90034817F',
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'info_dict': {
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'id': 'A6E6D475ECCC6FE5C1257EF90034817F',
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'title': 'Konferencja prasowa - Stanowisko SLD ws. składu nowego rządu',
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'description': 'SLD - Biuro Prasowe Klubu',
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'duration': 514,
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'location': 'sala 101/bud. C',
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'live_status': 'was_live',
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},
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'playlist': [{
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'info_dict': {
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'id': 'A6E6D475ECCC6FE5C1257EF90034817F',
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'ext': 'mp4',
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'title': 'Konferencja prasowa - Stanowisko SLD ws. składu nowego rządu',
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'duration': 514,
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},
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}],
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}, {
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'url': 'https://sejm-embed.redcdn.pl/Sejm10.nsf/VideoFrame.xsp/FED58EABB97FBD53C1258A7400386492',
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'only_matching': True,
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}]
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def _real_extract(self, url):
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term, video_id = self._match_valid_url(url).group('term', 'id')
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frame = self._download_webpage(
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f'https://sejm-embed.redcdn.pl/Sejm{term}.nsf/VideoFrame.xsp/{video_id}',
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video_id)
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# despite it says "transmisje_arch", it works for live streams too!
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data = self._download_json(
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f'https://www.sejm.gov.pl/Sejm{term}.nsf/transmisje_arch.xsp/json/{video_id}',
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video_id)
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params = data['params']
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title = strip_or_none(data.get('title'))
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if data.get('status') == 'VIDEO_ENDED':
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live_status = 'was_live'
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elif data.get('status') == 'VIDEO_PLAYING':
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live_status = 'is_live'
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else:
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live_status = None
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self.report_warning(f'unknown status: {data.get("status")}')
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start_time = rfc3339_to_atende(params['start'])
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# current streams have a stop time of *expected* end of session, but actual times
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# can change during the transmission. setting a stop_time would artificially
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# end the stream at that time, while the session actually keeps going.
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if live_status == 'was_live':
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stop_time = rfc3339_to_atende(params['stop'])
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duration = (stop_time - start_time) // 1000
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else:
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stop_time, duration = None, None
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entries = []
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def add_entry(file, legacy_file=False):
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if not file:
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return
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file = self._proto_relative_url(file)
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if not legacy_file:
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file = update_url_query(file, {'startTime': start_time})
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if stop_time is not None:
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file = update_url_query(file, {'stopTime': stop_time})
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stream_id = self._search_regex(r'/o2/sejm/([^/]+)/[^./]+\.livx', file, 'stream id')
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common_info = {
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'url': file,
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'duration': duration,
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}
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if legacy_file:
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entries.append({
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**common_info,
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'id': video_id,
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'title': title,
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})
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else:
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entries.append({
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**common_info,
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'_type': 'url_transparent',
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'ie_key': RedCDNLivxIE.ie_key(),
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'id': stream_id,
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'title': join_nonempty(title, stream_id, delim=' - '),
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})
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cameras = self._search_json(
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r'var\s+cameras\s*=', frame, 'camera list', video_id,
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contains_pattern=r'\[(?s:.+)\]', transform_source=js_to_json,
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fatal=False) or []
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for camera_file in traverse_obj(cameras, (..., 'file', {dict})):
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if camera_file.get('flv'):
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add_entry(camera_file['flv'])
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elif camera_file.get('mp4'):
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# this is only a thing in 7th term. no streams before, and starting 8th it's redcdn livx
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add_entry(camera_file['mp4'], legacy_file=True)
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else:
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self.report_warning('Unknown camera stream type found')
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if params.get('mig'):
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add_entry(self._search_regex(r"var sliUrl\s*=\s*'([^']+)'", frame, 'sign language interpreter url', fatal=False))
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return {
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'_type': 'playlist',
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'entries': entries,
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'id': video_id,
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'title': title,
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'description': clean_html(data.get('desc')) or None,
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'duration': duration,
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'live_status': live_status,
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'location': strip_or_none(data.get('location')),
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}
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