[Ted] Rewrite extractor (#2359)
Closes #2343 Authored by: pukkandan, trassshhub
This commit is contained in:
trasssh
GitHub
parent
dfb7f2a25d
commit
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4 changed files with 194 additions and 314 deletions
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@ -13,7 +13,7 @@ from test.helper import FakeYDL, md5, is_download_test
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from yt_dlp.extractor import (
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YoutubeIE,
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DailymotionIE,
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TEDIE,
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TedTalkIE,
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VimeoIE,
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WallaIE,
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CeskaTelevizeIE,
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@ -141,7 +141,7 @@ class TestDailymotionSubtitles(BaseTestSubtitles):
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@is_download_test
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class TestTedSubtitles(BaseTestSubtitles):
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url = 'http://www.ted.com/talks/dan_dennett_on_our_consciousness.html'
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IE = TEDIE
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IE = TedTalkIE
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def test_allsubtitles(self):
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self.DL.params['writesubtitles'] = True
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@ -1522,7 +1522,12 @@ from .teachingchannel import TeachingChannelIE
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from .teamcoco import TeamcocoIE
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from .teamtreehouse import TeamTreeHouseIE
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from .techtalks import TechTalksIE
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from .ted import TEDIE
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from .ted import (
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TedEmbedIE,
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TedPlaylistIE,
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TedSeriesIE,
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TedTalkIE,
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)
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from .tele5 import Tele5IE
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from .tele13 import Tele13IE
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from .telebruxelles import TeleBruxellesIE
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@ -115,6 +115,7 @@ from .channel9 import Channel9IE
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from .vshare import VShareIE
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from .mediasite import MediasiteIE
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from .springboardplatform import SpringboardPlatformIE
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from .ted import TedEmbedIE
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from .yapfiles import YapFilesIE
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from .vice import ViceIE
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from .xfileshare import XFileShareIE
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@ -3174,10 +3175,9 @@ class GenericIE(InfoExtractor):
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return self.url_result(mobj.group('url'), 'Tvigle')
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# Look for embedded TED player
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mobj = re.search(
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r'<iframe[^>]+?src=(["\'])(?P<url>https?://embed(?:-ssl)?\.ted\.com/.+?)\1', webpage)
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if mobj is not None:
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return self.url_result(mobj.group('url'), 'TED')
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ted_urls = TedEmbedIE._extract_urls(webpage)
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if ted_urls:
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return self.playlist_from_matches(ted_urls, video_id, video_title, ie=TedEmbedIE.ie_key())
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# Look for embedded Ustream videos
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ustream_url = UstreamIE._extract_url(webpage)
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@ -1,233 +1,67 @@
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from __future__ import unicode_literals
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import json
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import itertools
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import re
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from .common import InfoExtractor
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from ..compat import (
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compat_str,
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compat_urlparse
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)
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from ..utils import (
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extract_attributes,
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float_or_none,
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int_or_none,
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str_to_int,
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try_get,
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url_or_none,
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unified_strdate,
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parse_duration,
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)
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class TEDIE(InfoExtractor):
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IE_NAME = 'ted'
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_VALID_URL = r'''(?x)
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(?P<proto>https?://)
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(?P<type>www|embed(?:-ssl)?)(?P<urlmain>\.ted\.com/
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(
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(?P<type_playlist>playlists(?:/(?P<playlist_id>\d+))?) # We have a playlist
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((?P<type_talk>talks)) # We have a simple talk
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(?P<type_watch>watch)/[^/]+/[^/]+
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)
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(/lang/(.*?))? # The url may contain the language
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/(?P<name>[\w-]+) # Here goes the name and then ".html"
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.*)$
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'''
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class TedBaseIE(InfoExtractor):
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_VALID_URL_BASE = r'https?://www\.ted\.com/(?:{type})(?:/lang/[^/#?]+)?/(?P<id>[\w-]+)'
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def _parse_playlist(self, playlist):
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for entry in try_get(playlist, lambda x: x['videos']['nodes'], list):
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if entry.get('__typename') == 'Video' and entry.get('canonicalUrl'):
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yield self.url_result(entry['canonicalUrl'], TedTalkIE.ie_key())
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class TedTalkIE(TedBaseIE):
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_VALID_URL = TedBaseIE._VALID_URL_BASE.format(type='talks')
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_TESTS = [{
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'url': 'http://www.ted.com/talks/dan_dennett_on_our_consciousness.html',
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'md5': 'b0ce2b05ca215042124fbc9e3886493a',
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'url': 'https://www.ted.com/talks/candace_parker_how_to_break_down_barriers_and_not_accept_limits',
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'md5': '47e82c666d9c3261d4fe74748a90aada',
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'info_dict': {
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'id': '102',
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'id': '86532',
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'ext': 'mp4',
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'title': 'The illusion of consciousness',
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'description': ('Philosopher Dan Dennett makes a compelling '
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'argument that not only don\'t we understand our own '
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'consciousness, but that half the time our brains are '
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'actively fooling us.'),
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'uploader': 'Dan Dennett',
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'width': 853,
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'duration': 1308,
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'title': 'How to break down barriers and not accept limits',
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'description': 'md5:000707cece219d1e165b11550d612331',
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'view_count': int,
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'comment_count': int,
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'tags': list,
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'tags': ['personal growth', 'equality', 'activism', 'motivation', 'social change', 'sports'],
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'uploader': 'Candace Parker',
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'duration': 676.0,
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'upload_date': '20220114',
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'release_date': '20211201',
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'thumbnail': r're:http.*\.jpg',
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},
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'params': {
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'skip_download': True,
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},
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}, {
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# missing HTTP bitrates
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'url': 'https://www.ted.com/talks/vishal_sikka_the_beauty_and_power_of_algorithms',
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'info_dict': {
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'id': '6069',
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'ext': 'mp4',
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'title': 'The beauty and power of algorithms',
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'thumbnail': r're:^https?://.+\.jpg',
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'description': 'md5:734e352710fb00d840ab87ae31aaf688',
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'uploader': 'Vishal Sikka',
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},
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'params': {
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'skip_download': True,
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},
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}, {
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'url': 'http://www.ted.com/talks/gabby_giffords_and_mark_kelly_be_passionate_be_courageous_be_your_best',
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'md5': 'e6b9617c01a7970ceac8bb2c92c346c0',
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'info_dict': {
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'id': '1972',
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'ext': 'mp4',
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'title': 'Be passionate. Be courageous. Be your best.',
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'uploader': 'Gabby Giffords and Mark Kelly',
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'description': 'md5:5174aed4d0f16021b704120360f72b92',
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'duration': 1128,
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},
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'params': {
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'skip_download': True,
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},
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}, {
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'url': 'http://www.ted.com/playlists/who_are_the_hackers',
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'info_dict': {
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'id': '10',
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'title': 'Who are the hackers?',
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'description': 'md5:49a0dbe8fb76d81a0e64b4a80af7f15a'
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},
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'playlist_mincount': 6,
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}, {
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# contains a youtube video
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'url': 'https://www.ted.com/talks/douglas_adams_parrots_the_universe_and_everything',
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'add_ie': ['Youtube'],
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'info_dict': {
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'id': '_ZG8HBuDjgc',
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'ext': 'webm',
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'title': 'Douglas Adams: Parrots the Universe and Everything',
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'description': 'md5:01ad1e199c49ac640cb1196c0e9016af',
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'uploader': 'University of California Television (UCTV)',
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'uploader_id': 'UCtelevision',
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'upload_date': '20080522',
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},
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'params': {
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'skip_download': True,
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},
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}, {
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# no nativeDownloads
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'url': 'https://www.ted.com/talks/tom_thum_the_orchestra_in_my_mouth',
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'info_dict': {
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'id': '1792',
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'ext': 'mp4',
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'title': 'The orchestra in my mouth',
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'description': 'md5:5d1d78650e2f8dfcbb8ebee2951ac29a',
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'uploader': 'Tom Thum',
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'view_count': int,
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'comment_count': int,
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'tags': list,
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},
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'params': {
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'skip_download': True,
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},
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}, {
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# with own formats and private Youtube external
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'url': 'https://www.ted.com/talks/spencer_wells_a_family_tree_for_humanity',
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'only_matching': True,
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}]
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_NATIVE_FORMATS = {
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'low': {'width': 320, 'height': 180},
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'medium': {'width': 512, 'height': 288},
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'high': {'width': 854, 'height': 480},
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}
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def _extract_info(self, webpage):
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info_json = self._search_regex(
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r'(?s)q\(\s*"\w+.init"\s*,\s*({.+?})\)\s*</script>',
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webpage, 'info json')
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return json.loads(info_json)
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def _real_extract(self, url):
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m = re.match(self._VALID_URL, url, re.VERBOSE)
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if m.group('type').startswith('embed'):
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desktop_url = m.group('proto') + 'www' + m.group('urlmain')
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return self.url_result(desktop_url, 'TED')
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name = m.group('name')
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if m.group('type_talk'):
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return self._talk_info(url, name)
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elif m.group('type_watch'):
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return self._watch_info(url, name)
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else:
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return self._playlist_videos_info(url, name)
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def _playlist_videos_info(self, url, name):
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'''Returns the videos of the playlist'''
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webpage = self._download_webpage(url, name,
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'Downloading playlist webpage')
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playlist_entries = []
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for entry in re.findall(r'(?s)<[^>]+data-ga-context=["\']playlist["\'][^>]*>', webpage):
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attrs = extract_attributes(entry)
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entry_url = compat_urlparse.urljoin(url, attrs['href'])
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playlist_entries.append(self.url_result(entry_url, self.ie_key()))
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final_url = self._og_search_url(webpage, fatal=False)
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playlist_id = (
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re.match(self._VALID_URL, final_url).group('playlist_id')
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if final_url else None)
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return self.playlist_result(
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playlist_entries, playlist_id=playlist_id,
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playlist_title=self._og_search_title(webpage, fatal=False),
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playlist_description=self._og_search_description(webpage))
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def _talk_info(self, url, video_name):
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webpage = self._download_webpage(url, video_name)
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info = self._extract_info(webpage)
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data = try_get(info, lambda x: x['__INITIAL_DATA__'], dict) or info
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talk_info = data['talks'][0]
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title = talk_info['title'].strip()
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downloads = talk_info.get('downloads') or {}
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native_downloads = downloads.get('nativeDownloads') or talk_info.get('nativeDownloads') or {}
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formats = [{
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'url': format_url,
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'format_id': format_id,
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} for (format_id, format_url) in native_downloads.items() if format_url is not None]
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subtitled_downloads = downloads.get('subtitledDownloads') or {}
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for lang, subtitled_download in subtitled_downloads.items():
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for q in self._NATIVE_FORMATS:
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q_url = subtitled_download.get(q)
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if not q_url:
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continue
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formats.append({
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'url': q_url,
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'format_id': '%s-%s' % (q, lang),
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'language': lang,
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})
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if formats:
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for f in formats:
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finfo = self._NATIVE_FORMATS.get(f['format_id'].split('-')[0])
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if finfo:
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f.update(finfo)
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player_talk = talk_info['player_talks'][0]
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resources_ = player_talk.get('resources') or talk_info.get('resources')
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display_id = self._match_id(url)
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webpage = self._download_webpage(url, display_id)
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talk_info = self._search_nextjs_data(webpage, display_id)['props']['pageProps']['videoData']
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video_id = talk_info['id']
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playerData = self._parse_json(talk_info.get('playerData'), video_id)
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http_url = None
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for format_id, resources in resources_.items():
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formats, subtitles = [], {}
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for format_id, resources in (playerData.get('resources') or {}).items():
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if format_id == 'hls':
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if not isinstance(resources, dict):
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continue
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stream_url = url_or_none(resources.get('stream'))
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stream_url = url_or_none(try_get(resources, lambda x: x['stream']))
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if not stream_url:
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continue
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formats.extend(self._extract_m3u8_formats(
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stream_url, video_name, 'mp4', m3u8_id=format_id,
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fatal=False))
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else:
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m3u8_formats, m3u8_subs = self._extract_m3u8_formats_and_subtitles(
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stream_url, video_id, 'mp4', m3u8_id=format_id, fatal=False)
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formats.extend(m3u8_formats)
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subtitles = self._merge_subtitles(subtitles, m3u8_subs)
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continue
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if not isinstance(resources, list):
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continue
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if format_id == 'h264':
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@ -247,8 +81,7 @@ class TEDIE(InfoExtractor):
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streamer = talk_info.get('streamer')
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if not streamer:
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continue
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for resource in resources:
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formats.append({
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formats.extend({
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'format_id': '%s-%s' % (format_id, resource.get('name')),
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'url': streamer,
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'play_path': resource['file'],
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@ -256,19 +89,17 @@ class TEDIE(InfoExtractor):
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'width': int_or_none(resource.get('width')),
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'height': int_or_none(resource.get('height')),
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'tbr': int_or_none(resource.get('bitrate')),
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})
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} for resource in resources if resource.get('file'))
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m3u8_formats = list(filter(
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lambda f: f.get('protocol') == 'm3u8' and f.get('vcodec') != 'none',
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formats))
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if http_url:
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m3u8_formats = [f for f in formats if f.get('protocol') == 'm3u8' and f.get('vcodec') != 'none']
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for m3u8_format in m3u8_formats:
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bitrate = self._search_regex(r'(\d+k)', m3u8_format['url'], 'bitrate', default=None)
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if not bitrate:
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continue
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bitrate_url = re.sub(r'\d+k', bitrate, http_url)
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if not self._is_valid_url(
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bitrate_url, video_name, '%s bitrate' % bitrate):
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bitrate_url, video_id, '%s bitrate' % bitrate):
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continue
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f = m3u8_format.copy()
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f.update({
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@ -289,79 +120,123 @@ class TEDIE(InfoExtractor):
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})
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if not formats:
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external = player_talk.get('external')
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if isinstance(external, dict):
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service = external.get('service')
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if isinstance(service, compat_str):
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ext_url = None
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if service.lower() == 'youtube':
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ext_url = external.get('code')
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external = playerData.get('external') or {}
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service = external.get('service') or ''
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ext_url = external.get('code') if service.lower() == 'youtube' else None
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return self.url_result(ext_url or external['uri'])
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self._sort_formats(formats)
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video_id = compat_str(talk_info['id'])
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thumbnail = playerData.get('thumb') or self._og_search_property('image', webpage)
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if thumbnail:
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# trim thumbnail resize parameters
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thumbnail = thumbnail.split('?')[0]
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return {
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'id': video_id,
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'title': title,
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'uploader': player_talk.get('speaker') or talk_info.get('speaker'),
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'thumbnail': player_talk.get('thumb') or talk_info.get('thumb'),
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'description': self._og_search_description(webpage),
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'subtitles': self._get_subtitles(video_id, talk_info),
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'formats': formats,
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'duration': float_or_none(talk_info.get('duration')),
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'view_count': int_or_none(data.get('viewed_count')),
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'comment_count': int_or_none(
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try_get(data, lambda x: x['comments']['count'])),
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'tags': try_get(talk_info, lambda x: x['tags'], list),
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}
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def _get_subtitles(self, video_id, talk_info):
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sub_lang_list = {}
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for language in try_get(
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talk_info,
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(lambda x: x['downloads']['languages'],
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lambda x: x['languages']), list):
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lang_code = language.get('languageCode') or language.get('ianaCode')
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if not lang_code:
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continue
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sub_lang_list[lang_code] = [
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{
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'url': 'http://www.ted.com/talks/subtitles/id/%s/lang/%s/format/%s' % (video_id, lang_code, ext),
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'ext': ext,
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}
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for ext in ['ted', 'srt']
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]
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return sub_lang_list
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|
||||
def _watch_info(self, url, name):
|
||||
webpage = self._download_webpage(url, name)
|
||||
|
||||
config_json = self._html_search_regex(
|
||||
r'"pages\.jwplayer"\s*,\s*({.+?})\s*\)\s*</script>',
|
||||
webpage, 'config', default=None)
|
||||
if not config_json:
|
||||
embed_url = self._search_regex(
|
||||
r"<iframe[^>]+class='pages-video-embed__video__object'[^>]+src='([^']+)'", webpage, 'embed url')
|
||||
return self.url_result(self._proto_relative_url(embed_url))
|
||||
config = json.loads(config_json)['config']
|
||||
video_url = config['video']['url']
|
||||
thumbnail = config.get('image', {}).get('url')
|
||||
|
||||
title = self._html_search_regex(
|
||||
r"(?s)<h1(?:\s+class='[^']+')?>(.+?)</h1>", webpage, 'title')
|
||||
description = self._html_search_regex(
|
||||
[
|
||||
r'(?s)<h4 class="[^"]+" id="h3--about-this-talk">.*?</h4>(.*?)</div>',
|
||||
r'(?s)<p><strong>About this talk:</strong>\s+(.*?)</p>',
|
||||
],
|
||||
webpage, 'description', fatal=False)
|
||||
|
||||
return {
|
||||
'id': name,
|
||||
'url': video_url,
|
||||
'title': title,
|
||||
'title': talk_info.get('title') or self._og_search_title(webpage),
|
||||
'uploader': talk_info.get('presenterDisplayName'),
|
||||
'thumbnail': thumbnail,
|
||||
'description': description,
|
||||
'description': talk_info.get('description') or self._og_search_description(webpage),
|
||||
'subtitles': subtitles,
|
||||
'formats': formats,
|
||||
'duration': talk_info.get('duration') or parse_duration(self._og_search_property('video:duration', webpage)),
|
||||
'view_count': str_to_int(talk_info.get('viewedCount')),
|
||||
'upload_date': unified_strdate(talk_info.get('publishedAt')),
|
||||
'release_date': unified_strdate(talk_info.get('recordedOn')),
|
||||
'tags': try_get(playerData, lambda x: x['targeting']['tag'].split(',')),
|
||||
}
|
||||
|
||||
|
||||
class TedSeriesIE(TedBaseIE):
|
||||
_VALID_URL = fr'{TedBaseIE._VALID_URL_BASE.format(type=r"series")}(?:#season_(?P<season>\d+))?'
|
||||
_TESTS = [{
|
||||
'url': 'https://www.ted.com/series/small_thing_big_idea',
|
||||
'info_dict': {
|
||||
'id': '3',
|
||||
'title': 'Small Thing Big Idea',
|
||||
'series': 'Small Thing Big Idea',
|
||||
'description': 'md5:6869ca52cec661aef72b3e9f7441c55c'
|
||||
},
|
||||
'playlist_mincount': 16,
|
||||
}, {
|
||||
'url': 'https://www.ted.com/series/the_way_we_work#season_2',
|
||||
'info_dict': {
|
||||
'id': '8_2',
|
||||
'title': 'The Way We Work Season 2',
|
||||
'series': 'The Way We Work',
|
||||
'description': 'md5:59469256e533e1a48c4aa926a382234c',
|
||||
'season_number': 2
|
||||
},
|
||||
'playlist_mincount': 8,
|
||||
}]
|
||||
|
||||
def _real_extract(self, url):
|
||||
display_id, season = self._match_valid_url(url).group('id', 'season')
|
||||
webpage = self._download_webpage(url, display_id, 'Downloading series webpage')
|
||||
info = self._search_nextjs_data(webpage, display_id)['props']['pageProps']
|
||||
|
||||
entries = itertools.chain.from_iterable(
|
||||
self._parse_playlist(s) for s in info['seasons'] if season in [None, s.get('seasonNumber')])
|
||||
|
||||
series_id = try_get(info, lambda x: x['series']['id'])
|
||||
series_name = try_get(info, lambda x: x['series']['name']) or self._og_search_title(webpage, fatal=False)
|
||||
|
||||
return self.playlist_result(
|
||||
entries,
|
||||
f'{series_id}_{season}' if season and series_id else series_id,
|
||||
f'{series_name} Season {season}' if season else series_name,
|
||||
self._og_search_description(webpage),
|
||||
series=series_name, season_number=int_or_none(season))
|
||||
|
||||
|
||||
class TedPlaylistIE(TedBaseIE):
|
||||
_VALID_URL = TedBaseIE._VALID_URL_BASE.format(type=r'playlists(?:/\d+)?')
|
||||
_TESTS = [{
|
||||
'url': 'https://www.ted.com/playlists/171/the_most_popular_talks_of_all',
|
||||
'info_dict': {
|
||||
'id': '171',
|
||||
'title': 'The most popular talks of all time',
|
||||
'description': 'md5:d2f22831dc86c7040e733a3cb3993d78'
|
||||
},
|
||||
'playlist_mincount': 25,
|
||||
}]
|
||||
|
||||
def _real_extract(self, url):
|
||||
display_id = self._match_id(url)
|
||||
webpage = self._download_webpage(url, display_id)
|
||||
playlist = self._search_nextjs_data(webpage, display_id)['props']['pageProps']['playlist']
|
||||
|
||||
return self.playlist_result(
|
||||
self._parse_playlist(playlist), playlist.get('id'),
|
||||
playlist.get('title') or self._og_search_title(webpage, default='').replace(' | TED Talks', '') or None,
|
||||
self._og_search_description(webpage))
|
||||
|
||||
|
||||
class TedEmbedIE(InfoExtractor):
|
||||
_VALID_URL = r'https?://embed(?:-ssl)?\.ted\.com/'
|
||||
|
||||
_TESTS = [{
|
||||
'url': 'https://embed.ted.com/talks/janet_stovall_how_to_get_serious_about_diversity_and_inclusion_in_the_workplace',
|
||||
'info_dict': {
|
||||
'id': '21802',
|
||||
'ext': 'mp4',
|
||||
'title': 'How to get serious about diversity and inclusion in the workplace',
|
||||
'description': 'md5:0978aafe396e05341f8ecc795d22189d',
|
||||
'view_count': int,
|
||||
'tags': list,
|
||||
'uploader': 'Janet Stovall',
|
||||
'duration': 664.0,
|
||||
'upload_date': '20180822',
|
||||
'release_date': '20180719',
|
||||
'thumbnail': r're:http.*\.jpg',
|
||||
},
|
||||
}]
|
||||
|
||||
@classmethod
|
||||
def _extract_urls(cls, webpage):
|
||||
return [mobj.group('url') for mobj in re.finditer(
|
||||
fr'<iframe[^>]+?src=(["\'])(?P<url>{cls._VALID_URL}.+?)\1', webpage)]
|
||||
|
||||
def _real_extract(self, url):
|
||||
return self.url_result(re.sub(r'://embed(-ssl)?', '://www', url), TedTalkIE.ie_key())
|
||||
|
|
|
|||
Loading…
Reference in a new issue