268 lines
10 KiB
Python
268 lines
10 KiB
Python
# coding: utf-8
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from __future__ import unicode_literals
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import re
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from .common import InfoExtractor
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from ..utils import (
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ExtractorError,
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determine_ext,
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int_or_none,
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unified_strdate,
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US_RATINGS,
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)
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class PBSIE(InfoExtractor):
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_VALID_URL = r'''(?x)https?://
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(?:
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# Direct video URL
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video\.pbs\.org/(?:viralplayer|video)/(?P<id>[0-9]+)/? |
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# Article with embedded player (or direct video)
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(?:www\.)?pbs\.org/(?:[^/]+/){2,5}(?P<presumptive_id>[^/]+?)(?:\.html)?/?(?:$|[?\#]) |
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# Player
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video\.pbs\.org/(?:widget/)?partnerplayer/(?P<player_id>[^/]+)/
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)
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'''
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_TESTS = [
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{
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'url': 'http://www.pbs.org/tpt/constitution-usa-peter-sagal/watch/a-more-perfect-union/',
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'md5': 'ce1888486f0908d555a8093cac9a7362',
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'info_dict': {
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'id': '2365006249',
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'ext': 'mp4',
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'title': 'Constitution USA with Peter Sagal - A More Perfect Union',
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'description': 'md5:ba0c207295339c8d6eced00b7c363c6a',
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'duration': 3190,
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},
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'params': {
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'skip_download': True, # requires ffmpeg
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},
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},
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{
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'url': 'http://www.pbs.org/wgbh/pages/frontline/losing-iraq/',
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'md5': '143c98aa54a346738a3d78f54c925321',
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'info_dict': {
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'id': '2365297690',
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'ext': 'mp4',
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'title': 'FRONTLINE - Losing Iraq',
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'description': 'md5:f5bfbefadf421e8bb8647602011caf8e',
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'duration': 5050,
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},
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'params': {
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'skip_download': True, # requires ffmpeg
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}
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},
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{
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'url': 'http://www.pbs.org/newshour/bb/education-jan-june12-cyberschools_02-23/',
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'md5': 'b19856d7f5351b17a5ab1dc6a64be633',
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'info_dict': {
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'id': '2201174722',
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'ext': 'mp4',
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'title': 'PBS NewsHour - Cyber Schools Gain Popularity, but Quality Questions Persist',
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'description': 'md5:5871c15cba347c1b3d28ac47a73c7c28',
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'duration': 801,
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},
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},
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{
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'url': 'http://www.pbs.org/wnet/gperf/dudamel-conducts-verdi-requiem-hollywood-bowl-full-episode/3374/',
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'md5': 'c62859342be2a0358d6c9eb306595978',
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'info_dict': {
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'id': '2365297708',
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'ext': 'mp4',
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'description': 'md5:68d87ef760660eb564455eb30ca464fe',
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'title': 'Great Performances - Dudamel Conducts Verdi Requiem at the Hollywood Bowl - Full',
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'duration': 6559,
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'thumbnail': 're:^https?://.*\.jpg$',
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},
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'params': {
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'skip_download': True, # requires ffmpeg
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},
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},
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{
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'url': 'http://www.pbs.org/wgbh/nova/earth/killer-typhoon.html',
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'md5': '908f3e5473a693b266b84e25e1cf9703',
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'info_dict': {
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'id': '2365160389',
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'display_id': 'killer-typhoon',
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'ext': 'mp4',
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'description': 'md5:c741d14e979fc53228c575894094f157',
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'title': 'NOVA - Killer Typhoon',
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'duration': 3172,
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'thumbnail': 're:^https?://.*\.jpg$',
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'upload_date': '20140122',
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},
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'params': {
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'skip_download': True, # requires ffmpeg
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},
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},
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{
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'url': 'http://www.pbs.org/wgbh/pages/frontline/united-states-of-secrets/',
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'info_dict': {
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'id': 'united-states-of-secrets',
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},
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'playlist_count': 2,
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},
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{
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'url': 'http://www.pbs.org/wgbh/americanexperience/films/death/player/',
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'info_dict': {
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'id': '2280706814',
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'display_id': 'player',
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'ext': 'mp4',
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'title': 'American Experience - Death and the Civil War',
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'description': 'American Experience, TV’s most-watched history series, brings to life the compelling stories from our past that inform our understanding of the world today.',
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'duration': 6705,
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'thumbnail': 're:^https?://.*\.jpg$',
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},
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'params': {
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'skip_download': True, # requires ffmpeg
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},
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},
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{
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'url': 'http://video.pbs.org/video/2365367186/',
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'info_dict': {
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'id': '2365367186',
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'display_id': '2365367186',
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'ext': 'mp4',
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'title': 'To Catch A Comet - Full Episode',
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'description': 'On November 12, 2014, billions of kilometers from Earth, spacecraft orbiter Rosetta and lander Philae did what no other had dared to attempt \u2014 land on the volatile surface of a comet as it zooms around the sun at 67,000 km/hr. The European Space Agency hopes this mission can help peer into our past and unlock secrets of our origins.',
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'duration': 3342,
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'thumbnail': 're:^https?://.*\.jpg$',
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},
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'params': {
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'skip_download': True, # requires ffmpeg
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},
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}
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]
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def _extract_webpage(self, url):
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mobj = re.match(self._VALID_URL, url)
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presumptive_id = mobj.group('presumptive_id')
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display_id = presumptive_id
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if presumptive_id:
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webpage = self._download_webpage(url, display_id)
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upload_date = unified_strdate(self._search_regex(
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r'<input type="hidden" id="air_date_[0-9]+" value="([^"]+)"',
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webpage, 'upload date', default=None))
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# tabbed frontline videos
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tabbed_videos = re.findall(
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r'<div[^>]+class="videotab[^"]*"[^>]+vid="(\d+)"', webpage)
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if tabbed_videos:
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return tabbed_videos, presumptive_id, upload_date
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MEDIA_ID_REGEXES = [
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r"div\s*:\s*'videoembed'\s*,\s*mediaid\s*:\s*'(\d+)'", # frontline video embed
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r'class="coveplayerid">([^<]+)<', # coveplayer
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r'<input type="hidden" id="pbs_video_id_[0-9]+" value="([0-9]+)"/>', # jwplayer
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]
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media_id = self._search_regex(
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MEDIA_ID_REGEXES, webpage, 'media ID', fatal=False, default=None)
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if media_id:
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return media_id, presumptive_id, upload_date
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url = self._search_regex(
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r'<iframe\s+[^>]*\s+src=["\']([^\'"]+partnerplayer[^\'"]+)["\']',
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webpage, 'player URL')
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mobj = re.match(self._VALID_URL, url)
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player_id = mobj.group('player_id')
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if not display_id:
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display_id = player_id
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if player_id:
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player_page = self._download_webpage(
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url, display_id, note='Downloading player page',
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errnote='Could not download player page')
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video_id = self._search_regex(
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r'<div\s+id="video_([0-9]+)"', player_page, 'video ID')
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else:
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video_id = mobj.group('id')
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display_id = video_id
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return video_id, display_id, None
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def _real_extract(self, url):
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video_id, display_id, upload_date = self._extract_webpage(url)
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if isinstance(video_id, list):
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entries = [self.url_result(
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'http://video.pbs.org/video/%s' % vid_id, 'PBS', vid_id)
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for vid_id in video_id]
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return self.playlist_result(entries, display_id)
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info = self._download_json(
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'http://video.pbs.org/videoInfo/%s?format=json&type=partner' % video_id,
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display_id)
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formats = []
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for encoding_name in ('recommended_encoding', 'alternate_encoding'):
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redirect = info.get(encoding_name)
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if not redirect:
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continue
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redirect_url = redirect.get('url')
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if not redirect_url:
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continue
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redirect_info = self._download_json(
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redirect_url + '?format=json', display_id,
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'Downloading %s video url info' % encoding_name)
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if redirect_info['status'] == 'error':
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if redirect_info['http_code'] == 403:
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message = (
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'The video is not available in your region due to '
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'right restrictions')
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else:
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message = redirect_info['message']
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raise ExtractorError(message, expected=True)
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format_url = redirect_info.get('url')
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if not format_url:
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continue
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if determine_ext(format_url) == 'm3u8':
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formats.extend(self._extract_m3u8_formats(
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format_url, display_id, 'mp4', preference=1, m3u8_id='hls'))
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else:
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formats.append({
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'url': format_url,
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'format_id': redirect.get('eeid'),
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})
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self._sort_formats(formats)
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rating_str = info.get('rating')
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if rating_str is not None:
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rating_str = rating_str.rpartition('-')[2]
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age_limit = US_RATINGS.get(rating_str)
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subtitles = {}
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closed_captions_url = info.get('closed_captions_url')
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if closed_captions_url:
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subtitles['en'] = [{
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'ext': 'ttml',
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'url': closed_captions_url,
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}]
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# info['title'] is often incomplete (e.g. 'Full Episode', 'Episode 5', etc)
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# Try turning it to 'program - title' naming scheme if possible
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alt_title = info.get('program', {}).get('title')
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if alt_title:
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info['title'] = alt_title + ' - ' + re.sub(r'^' + alt_title + '[\s\-\:]+', '', info['title'])
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return {
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'id': video_id,
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'display_id': display_id,
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'title': info['title'],
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'description': info['program'].get('description'),
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'thumbnail': info.get('image_url'),
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'duration': int_or_none(info.get('duration')),
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'age_limit': age_limit,
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'upload_date': upload_date,
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'formats': formats,
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'subtitles': subtitles,
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}
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