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https://github.com/ytdl-org/youtube-dl
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[nbc:nbcnews] improve extraction(fixes #6922)
- extract more metadata and formats - relax regex
This commit is contained in:
parent
9f02ff537c
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574b2a7393
@ -3,13 +3,16 @@ from __future__ import unicode_literals
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import re
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import re
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from .common import InfoExtractor
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from .common import InfoExtractor
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from ..compat import compat_HTTPError
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from .theplatform import ThePlatformIE
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from ..utils import (
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from ..utils import (
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ExtractorError,
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find_xpath_attr,
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find_xpath_attr,
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lowercase_escape,
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lowercase_escape,
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smuggle_url,
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smuggle_url,
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unescapeHTML,
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unescapeHTML,
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update_url_query,
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int_or_none,
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HEADRequest,
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parse_iso8601,
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)
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)
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@ -131,10 +134,10 @@ class NBCSportsIE(InfoExtractor):
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NBCSportsVPlayerIE._extract_url(webpage), 'NBCSportsVPlayer')
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NBCSportsVPlayerIE._extract_url(webpage), 'NBCSportsVPlayer')
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class NBCNewsIE(InfoExtractor):
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class NBCNewsIE(ThePlatformIE):
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_VALID_URL = r'''(?x)https?://(?:www\.)?nbcnews\.com/
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_VALID_URL = r'''(?x)https?://(?:www\.)?nbcnews\.com/
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(?:video/.+?/(?P<id>\d+)|
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(?:video/.+?/(?P<id>\d+)|
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(?:watch|feature|nightly-news)/[^/]+/(?P<title>.+))
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([^/]+/)*(?P<display_id>[^/?]+))
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'''
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'''
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_TESTS = [
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_TESTS = [
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@ -149,15 +152,14 @@ class NBCNewsIE(InfoExtractor):
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},
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},
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},
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},
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{
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{
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'url': 'http://www.nbcnews.com/feature/edward-snowden-interview/how-twitter-reacted-snowden-interview-n117236',
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'url': 'http://www.nbcnews.com/watch/nbcnews-com/how-twitter-reacted-to-the-snowden-interview-269389891880',
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'md5': 'b2421750c9f260783721d898f4c42063',
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'md5': 'af1adfa51312291a017720403826bb64',
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'info_dict': {
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'info_dict': {
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'id': 'I1wpAI_zmhsQ',
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'id': '269389891880',
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'ext': 'mp4',
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'ext': 'mp4',
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'title': 'How Twitter Reacted To The Snowden Interview',
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'title': 'How Twitter Reacted To The Snowden Interview',
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'description': 'md5:65a0bd5d76fe114f3c2727aa3a81fe64',
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'description': 'md5:65a0bd5d76fe114f3c2727aa3a81fe64',
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},
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},
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'add_ie': ['ThePlatform'],
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},
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},
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{
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{
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'url': 'http://www.nbcnews.com/feature/dateline-full-episodes/full-episode-family-business-n285156',
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'url': 'http://www.nbcnews.com/feature/dateline-full-episodes/full-episode-family-business-n285156',
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@ -168,17 +170,29 @@ class NBCNewsIE(InfoExtractor):
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'title': 'FULL EPISODE: Family Business',
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'title': 'FULL EPISODE: Family Business',
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'description': 'md5:757988edbaae9d7be1d585eb5d55cc04',
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'description': 'md5:757988edbaae9d7be1d585eb5d55cc04',
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},
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},
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'skip': 'This page is unavailable.',
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},
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},
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{
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{
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'url': 'http://www.nbcnews.com/nightly-news/video/nightly-news-with-brian-williams-full-broadcast-february-4-394064451844',
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'url': 'http://www.nbcnews.com/nightly-news/video/nightly-news-with-brian-williams-full-broadcast-february-4-394064451844',
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'md5': 'b5dda8cddd8650baa0dcb616dd2cf60d',
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'md5': '73135a2e0ef819107bbb55a5a9b2a802',
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'info_dict': {
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'info_dict': {
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'id': 'sekXqyTVnmN3',
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'id': '394064451844',
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'ext': 'mp4',
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'ext': 'mp4',
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'title': 'Nightly News with Brian Williams Full Broadcast (February 4)',
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'title': 'Nightly News with Brian Williams Full Broadcast (February 4)',
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'description': 'md5:1c10c1eccbe84a26e5debb4381e2d3c5',
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'description': 'md5:1c10c1eccbe84a26e5debb4381e2d3c5',
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},
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},
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},
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},
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{
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'url': 'http://www.nbcnews.com/business/autos/volkswagen-11-million-vehicles-could-have-suspect-software-emissions-scandal-n431456',
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'md5': 'a49e173825e5fcd15c13fc297fced39d',
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'info_dict': {
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'id': '529953347624',
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'ext': 'mp4',
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'title': 'Volkswagen U.S. Chief: We \'Totally Screwed Up\'',
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'description': 'md5:d22d1281a24f22ea0880741bb4dd6301',
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},
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'expected_warnings': ['http-6000 is not available']
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},
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{
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{
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'url': 'http://www.nbcnews.com/watch/dateline/full-episode--deadly-betrayal-386250819952',
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'url': 'http://www.nbcnews.com/watch/dateline/full-episode--deadly-betrayal-386250819952',
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'only_matching': True,
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'only_matching': True,
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@ -202,49 +216,80 @@ class NBCNewsIE(InfoExtractor):
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}
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}
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else:
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else:
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# "feature" and "nightly-news" pages use theplatform.com
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# "feature" and "nightly-news" pages use theplatform.com
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title = mobj.group('title')
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display_id = mobj.group('display_id')
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webpage = self._download_webpage(url, title)
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webpage = self._download_webpage(url, display_id)
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info = None
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bootstrap_json = self._search_regex(
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bootstrap_json = self._search_regex(
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r'var\s+(?:bootstrapJson|playlistData)\s*=\s*({.+});?\s*$',
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r'(?m)var\s+(?:bootstrapJson|playlistData)\s*=\s*({.+});?\s*$',
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webpage, 'bootstrap json', flags=re.MULTILINE)
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webpage, 'bootstrap json', default=None)
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bootstrap = self._parse_json(bootstrap_json, video_id)
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if bootstrap_json:
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info = bootstrap['results'][0]['video']
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bootstrap = self._parse_json(bootstrap_json, display_id)
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mpxid = info['mpxId']
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info = bootstrap['results'][0]['video']
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else:
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player_instance_json = self._search_regex(
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r'videoObj\s*:\s*({.+})', webpage, 'player instance')
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info = self._parse_json(player_instance_json, display_id)
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video_id = info['mpxId']
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title = info['title']
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base_urls = [
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subtitles = {}
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info['fallbackPlaylistUrl'],
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caption_links = info.get('captionLinks')
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info['associatedPlaylistUrl'],
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if caption_links:
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]
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for (sub_key, sub_ext) in (('smpte-tt', 'ttml'), ('web-vtt', 'vtt'), ('srt', 'srt')):
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sub_url = caption_links.get(sub_key)
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if sub_url:
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subtitles.setdefault('en', []).append({
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'url': sub_url,
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'ext': sub_ext,
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})
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for base_url in base_urls:
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formats = []
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if not base_url:
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for video_asset in info['videoAssets']:
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video_url = video_asset.get('publicUrl')
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if not video_url:
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continue
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continue
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playlist_url = base_url + '?form=MPXNBCNewsAPI'
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container = video_asset.get('format')
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asset_type = video_asset.get('assetType') or ''
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try:
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if container == 'ISM' or asset_type == 'FireTV-Once':
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all_videos = self._download_json(playlist_url, title)
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except ExtractorError as ee:
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if isinstance(ee.cause, compat_HTTPError):
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continue
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raise
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if not all_videos or 'videos' not in all_videos:
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continue
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continue
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elif asset_type == 'OnceURL':
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try:
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tp_formats, tp_subtitles = self._extract_theplatform_smil(
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info = next(v for v in all_videos['videos'] if v['mpxId'] == mpxid)
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video_url, video_id)
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break
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formats.extend(tp_formats)
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except StopIteration:
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subtitles = self._merge_subtitles(subtitles, tp_subtitles)
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continue
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else:
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tbr = int_or_none(video_asset.get('bitRate'), 1000)
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if info is None:
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format_id = 'http%s' % ('-%d' % tbr if tbr else '')
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raise ExtractorError('Could not find video in playlists')
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video_url = update_url_query(
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video_url, {'format': 'redirect'})
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# resolve the url so that we can check availability and detect the correct extension
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head = self._request_webpage(
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HEADRequest(video_url), video_id,
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'Checking %s url' % format_id,
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'%s is not available' % format_id,
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fatal=False)
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if head:
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video_url = head.geturl()
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formats.append({
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'format_id': format_id,
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'url': video_url,
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'width': int_or_none(video_asset.get('width')),
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'height': int_or_none(video_asset.get('height')),
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'tbr': tbr,
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'container': video_asset.get('format'),
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})
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self._sort_formats(formats)
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return {
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return {
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'_type': 'url',
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'id': video_id,
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# We get the best quality video
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'title': title,
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'url': info['videoAssets'][-1]['publicUrl'],
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'description': info.get('description'),
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'ie_key': 'ThePlatform',
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'thumbnail': info.get('description'),
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'thumbnail': info.get('thumbnail'),
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'duration': int_or_none(info.get('duration')),
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'timestamp': parse_iso8601(info.get('pubDate')),
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'formats': formats,
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'subtitles': subtitles,
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}
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}
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