Sergey M․
7 years ago
parent
2583c0b54e
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# coding: utf-8
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from __future__ import unicode_literals
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import hashlib
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import random
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import re
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import time
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from .common import InfoExtractor
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from ..compat import compat_str
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from ..utils import (
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ExtractorError,
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int_or_none,
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parse_duration,
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try_get,
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urlencode_postdata,
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)
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class NexxIE(InfoExtractor):
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_VALID_URL = r'https?://api\.nexx(?:\.cloud|cdn\.com)/v3/(?P<domain_id>\d+)/videos/byid/(?P<id>\d+)'
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_TESTS = [{
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# movie
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'url': 'https://api.nexx.cloud/v3/748/videos/byid/128907',
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'md5': '16746bfc28c42049492385c989b26c4a',
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'info_dict': {
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'id': '128907',
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'ext': 'mp4',
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'title': 'Stiftung Warentest',
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'alt_title': 'Wie ein Test abläuft',
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'description': 'md5:d1ddb1ef63de721132abd38639cc2fd2',
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'release_year': 2013,
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'creator': 'SPIEGEL TV',
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'thumbnail': r're:^https?://.*\.jpg$',
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'duration': 2509,
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'timestamp': 1384264416,
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'upload_date': '20131112',
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},
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'params': {
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'format': 'bestvideo',
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},
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}, {
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# episode
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'url': 'https://api.nexx.cloud/v3/741/videos/byid/247858',
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'info_dict': {
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'id': '247858',
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'ext': 'mp4',
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'title': 'Return of the Golden Child (OV)',
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'description': 'md5:5d969537509a92b733de21bae249dc63',
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'release_year': 2017,
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'thumbnail': r're:^https?://.*\.jpg$',
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'duration': 1397,
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'timestamp': 1495033267,
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'upload_date': '20170517',
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'episode_number': 2,
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'season_number': 2,
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},
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'params': {
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'format': 'bestvideo',
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'skip_download': True,
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},
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}, {
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'url': 'https://api.nexxcdn.com/v3/748/videos/byid/128907',
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'only_matching': True,
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}]
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@staticmethod
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def _extract_urls(webpage):
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# Reference:
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# 1. https://nx-s.akamaized.net/files/201510/44.pdf
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entries = []
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# JavaScript Integration
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for domain_id, video_id in re.findall(
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r'''(?isx)
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<script\b[^>]+\bsrc=["\']https?://require\.nexx(?:\.cloud|cdn\.com)/(\d+).+?
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onPLAYReady.+?
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_play\.init\s*\(.+?\s*,\s*(\d+)\s*,\s*.+?\)
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''', webpage):
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entries.append('https://api.nexx.cloud/v3/%s/videos/byid/%s' % (domain_id, video_id))
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# TODO: support more embed formats
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return entries
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def _handle_error(self, response):
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status = int_or_none(try_get(
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response, lambda x: x['metadata']['status']) or 200)
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if 200 <= status < 300:
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return
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raise ExtractorError(
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'%s said: %s' % (self.IE_NAME, response['metadata']['errorhint']),
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expected=True)
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def _call_api(self, domain_id, path, video_id, data=None, headers={}):
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headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8'
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result = self._download_json(
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'https://api.nexx.cloud/v3/%s/%s' % (domain_id, path), video_id,
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'Downloading %s JSON' % path, data=urlencode_postdata(data),
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headers=headers)
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self._handle_error(result)
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return result['result']
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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domain_id, video_id = mobj.group('domain_id', 'id')
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# Reverse engineered from JS code (see getDeviceID function)
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device_id = '%d:%d:%d%d' % (
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random.randint(1, 4), int(time.time()),
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random.randint(1e4, 99999), random.randint(1, 9))
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result = self._call_api(domain_id, 'session/init', video_id, data={
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'nxp_devh': device_id,
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'nxp_userh': '',
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'precid': '0',
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'playlicense': '0',
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'screenx': '1920',
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'screeny': '1080',
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'playerversion': '6.0.00',
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'gateway': 'html5',
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'adGateway': '',
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'explicitlanguage': 'en-US',
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'addTextTemplates': '1',
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'addDomainData': '1',
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'addAdModel': '1',
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}, headers={
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'X-Request-Enable-Auth-Fallback': '1',
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})
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cid = result['general']['cid']
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# As described in [1] X-Request-Token generation algorithm is
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# as follows:
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# md5( operation + domain_id + domain_secret )
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# where domain_secret is a static value that will be given by nexx.tv
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# as per [1]. Here is how this "secret" is generated (reversed
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# from _play.api.init function, search for clienttoken). So it's
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# actually not static and not that much of a secret.
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# 1. https://nexxtvstorage.blob.core.windows.net/files/201610/27.pdf
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secret = result['device']['clienttoken'][int(device_id[0]):]
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secret = secret[0:len(secret) - int(device_id[-1])]
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op = 'byid'
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# Reversed from JS code for _play.api.call function (search for
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# X-Request-Token)
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request_token = hashlib.md5(
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''.join((op, domain_id, secret)).encode('utf-8')).hexdigest()
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video = self._call_api(
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domain_id, 'videos/%s/%s' % (op, video_id), video_id, data={
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'additionalfields': 'language,channel,actors,studio,licenseby,slug,subtitle,teaser,description',
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'addInteractionOptions': '1',
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'addStatusDetails': '1',
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'addStreamDetails': '1',
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'addCaptions': '1',
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'addScenes': '1',
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'addHotSpots': '1',
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'addBumpers': '1',
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'captionFormat': 'data',
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}, headers={
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'X-Request-CID': cid,
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'X-Request-Token': request_token,
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})
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general = video['general']
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title = general['title']
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stream_data = video['streamdata']
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language = general.get('language_raw') or ''
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# TODO: reverse more cdns and formats
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cdn = stream_data['cdnType']
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assert cdn == 'azure'
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azure_locator = stream_data['azureLocator']
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AZURE_URL = 'http://nx-p%02d.akamaized.net/'
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for secure in ('s', ''):
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cdn_shield = stream_data.get('cdnShieldHTTP%s' % secure.upper())
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if cdn_shield:
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azure_base = 'http%s://%s' % (secure, cdn_shield)
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break
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else:
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azure_base = AZURE_URL % int(stream_data['azureAccount'].replace('nexxplayplus', ''))
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is_ml = ',' in language
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azure_m3u8_url = '%s%s/%s_src%s.ism/Manifest(format=m3u8-aapl)' % (
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azure_base, azure_locator, video_id, ('_manifest' if is_ml else ''))
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protection_token = try_get(
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video, lambda x: x['protectiondata']['token'], compat_str)
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if protection_token:
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azure_m3u8_url += '?hdnts=%s' % protection_token
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formats = self._extract_m3u8_formats(
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azure_m3u8_url, video_id, 'mp4', entry_protocol='m3u8_native',
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m3u8_id='%s-hls' % cdn)
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self._sort_formats(formats)
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return {
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'id': video_id,
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'title': title,
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'alt_title': general.get('subtitle'),
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'description': general.get('description'),
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'release_year': int_or_none(general.get('year')),
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'creator': general.get('studio') or general.get('studio_adref'),
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'thumbnail': try_get(
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video, lambda x: x['imagedata']['thumb'], compat_str),
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'duration': parse_duration(general.get('runtime')),
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'timestamp': int_or_none(general.get('uploaded')),
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'episode_number': int_or_none(try_get(
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video, lambda x: x['episodedata']['episode'])),
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'season_number': int_or_none(try_get(
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video, lambda x: x['episodedata']['season'])),
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'formats': formats,
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}
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