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https://github.com/ytdl-org/youtube-dl
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[drtv] Improve extraction (closes #19039)
+ Add support for EncryptedUri videos + Extract more metadata * Fix subtitles extraction
This commit is contained in:
Sergey M․
parent
6df196f32e
commit
a2d821d711
@ -1,15 +1,25 @@
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# coding: utf-8
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from __future__ import unicode_literals
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import binascii
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import hashlib
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import re
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from .common import InfoExtractor
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from ..aes import aes_cbc_decrypt
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from ..compat import compat_urllib_parse_unquote
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from ..utils import (
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bytes_to_intlist,
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ExtractorError,
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int_or_none,
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intlist_to_bytes,
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float_or_none,
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mimetype2ext,
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parse_iso8601,
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remove_end,
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str_or_none,
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unified_timestamp,
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update_url_query,
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url_or_none,
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)
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@ -20,23 +30,31 @@ class DRTVIE(InfoExtractor):
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IE_NAME = 'drtv'
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_TESTS = [{
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'url': 'https://www.dr.dk/tv/se/boern/ultra/klassen-ultra/klassen-darlig-taber-10',
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'md5': '7ae17b4e18eb5d29212f424a7511c184',
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'md5': '25e659cccc9a2ed956110a299fdf5983',
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'info_dict': {
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'id': 'klassen-darlig-taber-10',
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'ext': 'mp4',
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'title': 'Klassen - Dårlig taber (10)',
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'description': 'md5:815fe1b7fa656ed80580f31e8b3c79aa',
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'timestamp': 1471991907,
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'upload_date': '20160823',
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'timestamp': 1539085800,
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'upload_date': '20181009',
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'duration': 606.84,
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'series': 'Klassen',
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'season': 'Klassen I',
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'season_number': 1,
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'season_id': 'urn:dr:mu:bundle:57d7e8216187a4031cfd6f6b',
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'episode': 'Episode 10',
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'episode_number': 10,
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'release_year': 2016,
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},
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'expected_warnings': ['Unable to download f4m manifest'],
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}, {
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# embed
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'url': 'https://www.dr.dk/nyheder/indland/live-christianias-rydning-af-pusher-street-er-i-gang',
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'info_dict': {
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'id': 'christiania-pusher-street-ryddes-drdkrjpo',
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'id': 'urn:dr:mu:programcard:57c926176187a50a9c6e83c6',
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'ext': 'mp4',
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'title': 'LIVE Christianias rydning af Pusher Street er i gang',
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'title': 'christiania pusher street ryddes drdkrjpo',
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'description': 'md5:2a71898b15057e9b97334f61d04e6eb5',
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'timestamp': 1472800279,
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'upload_date': '20160902',
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@ -45,17 +63,18 @@ class DRTVIE(InfoExtractor):
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'params': {
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'skip_download': True,
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},
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'expected_warnings': ['Unable to download f4m manifest'],
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}, {
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# with SignLanguage formats
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'url': 'https://www.dr.dk/tv/se/historien-om-danmark/-/historien-om-danmark-stenalder',
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'info_dict': {
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'id': 'historien-om-danmark-stenalder',
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'ext': 'mp4',
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'title': 'Historien om Danmark: Stenalder (1)',
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'title': 'Historien om Danmark: Stenalder',
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'description': 'md5:8c66dcbc1669bbc6f873879880f37f2a',
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'timestamp': 1490401996,
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'upload_date': '20170325',
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'duration': 3502.04,
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'timestamp': 1546628400,
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'upload_date': '20190104',
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'duration': 3502.56,
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'formats': 'mincount:20',
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},
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'params': {
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@ -74,19 +93,26 @@ class DRTVIE(InfoExtractor):
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video_id = self._search_regex(
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(r'data-(?:material-identifier|episode-slug)="([^"]+)"',
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r'data-resource="[^>"]+mu/programcard/expanded/([^"]+)"'),
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webpage, 'video id')
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r'data-resource="[^>"]+mu/programcard/expanded/([^"]+)"'),
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webpage, 'video id', default=None)
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if not video_id:
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video_id = compat_urllib_parse_unquote(self._search_regex(
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r'(urn(?:%3A|:)dr(?:%3A|:)mu(?:%3A|:)programcard(?:%3A|:)[\da-f]+)',
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webpage, 'urn'))
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data = self._download_json(
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'https://www.dr.dk/mu-online/api/1.4/programcard/%s' % video_id,
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video_id, 'Downloading video JSON', query={'expanded': 'true'})
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title = remove_end(self._og_search_title(
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webpage, default=None), ' | TV | DR') or data['Title']
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title = str_or_none(data.get('Title')) or re.sub(
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r'\s*\|\s*(?:TV\s*\|\s*DR|DRTV)$', '',
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self._og_search_title(webpage))
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description = self._og_search_description(
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webpage, default=None) or data.get('Description')
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timestamp = parse_iso8601(data.get('CreatedTime'))
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timestamp = unified_timestamp(
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data.get('PrimaryBroadcastStartTime') or data.get('SortDateTime'))
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thumbnail = None
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duration = None
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@ -96,16 +122,51 @@ class DRTVIE(InfoExtractor):
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formats = []
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subtitles = {}
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for asset in [data['PrimaryAsset']]:
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assets = []
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primary_asset = data.get('PrimaryAsset')
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if isinstance(primary_asset, dict):
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assets.append(primary_asset)
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secondary_assets = data.get('SecondaryAssets')
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if isinstance(secondary_assets, list):
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for secondary_asset in secondary_assets:
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if isinstance(secondary_asset, dict):
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assets.append(secondary_asset)
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def hex_to_bytes(hex):
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return binascii.a2b_hex(hex.encode('ascii'))
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def decrypt_uri(e):
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n = int(e[2:10], 16)
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a = e[10 + n:]
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data = bytes_to_intlist(hex_to_bytes(e[10:10 + n]))
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key = bytes_to_intlist(hashlib.sha256(
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('%s:sRBzYNXBzkKgnjj8pGtkACch' % a).encode('utf-8')).digest())
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iv = bytes_to_intlist(hex_to_bytes(a))
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decrypted = aes_cbc_decrypt(data, key, iv)
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return intlist_to_bytes(
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decrypted[:-decrypted[-1]]).decode('utf-8').split('?')[0]
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for asset in assets:
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kind = asset.get('Kind')
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if kind == 'Image':
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thumbnail = asset.get('Uri')
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thumbnail = url_or_none(asset.get('Uri'))
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elif kind in ('VideoResource', 'AudioResource'):
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duration = float_or_none(asset.get('DurationInMilliseconds'), 1000)
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restricted_to_denmark = asset.get('RestrictedToDenmark')
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asset_target = asset.get('Target')
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for link in asset.get('Links', []):
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uri = link.get('Uri')
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if not uri:
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encrypted_uri = link.get('EncryptedUri')
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if not encrypted_uri:
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continue
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try:
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uri = decrypt_uri(encrypted_uri)
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except Exception:
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self.report_warning(
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'Unable to decrypt EncryptedUri', video_id)
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continue
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uri = url_or_none(uri)
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if not uri:
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continue
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target = link.get('Target')
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@ -139,19 +200,22 @@ class DRTVIE(InfoExtractor):
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'vcodec': 'none' if kind == 'AudioResource' else None,
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'preference': preference,
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})
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subtitles_list = asset.get('SubtitlesList')
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if isinstance(subtitles_list, list):
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LANGS = {
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'Danish': 'da',
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}
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for subs in subtitles_list:
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if not subs.get('Uri'):
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continue
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lang = subs.get('Language') or 'da'
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subtitles.setdefault(LANGS.get(lang, lang), []).append({
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'url': subs['Uri'],
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'ext': mimetype2ext(subs.get('MimeType')) or 'vtt'
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})
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subtitles_list = asset.get('SubtitlesList') or asset.get('Subtitleslist')
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if isinstance(subtitles_list, list):
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LANGS = {
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'Danish': 'da',
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}
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for subs in subtitles_list:
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if not isinstance(subs, dict):
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continue
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sub_uri = url_or_none(subs.get('Uri'))
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if not sub_uri:
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continue
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lang = subs.get('Language') or 'da'
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subtitles.setdefault(LANGS.get(lang, lang), []).append({
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'url': sub_uri,
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'ext': mimetype2ext(subs.get('MimeType')) or 'vtt'
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})
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if not formats and restricted_to_denmark:
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self.raise_geo_restricted(
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@ -169,6 +233,13 @@ class DRTVIE(InfoExtractor):
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'duration': duration,
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'formats': formats,
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'subtitles': subtitles,
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'series': str_or_none(data.get('SeriesTitle')),
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'season': str_or_none(data.get('SeasonTitle')),
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'season_number': int_or_none(data.get('SeasonNumber')),
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'season_id': str_or_none(data.get('SeasonUrn')),
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'episode': str_or_none(data.get('EpisodeTitle')),
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'episode_number': int_or_none(data.get('EpisodeNumber')),
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'release_year': int_or_none(data.get('ProductionYear')),
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}
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