mirror of
https://github.com/yt-dlp/yt-dlp.git
synced 2024-11-30 10:12:28 -05:00
7a5c1cfe93
* All modules and binary names are changed * All documentation references changed * yt-dlp no longer loads youtube-dlc config files * All URLs changed to point to organization account Co-authored-by: Pccode66 Co-authored-by: pukkandan
363 lines
13 KiB
Python
363 lines
13 KiB
Python
from __future__ import unicode_literals
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import json
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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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try_get,
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url_or_none,
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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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_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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'info_dict': {
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'id': '102',
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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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'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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# 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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_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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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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return self.url_result(ext_url or external['uri'])
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resources_ = player_talk.get('resources') or talk_info.get('resources')
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http_url = None
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for format_id, resources in resources_.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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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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if not isinstance(resources, list):
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continue
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if format_id == 'h264':
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for resource in resources:
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h264_url = resource.get('file')
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if not h264_url:
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continue
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bitrate = int_or_none(resource.get('bitrate'))
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formats.append({
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'url': h264_url,
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'format_id': '%s-%sk' % (format_id, bitrate),
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'tbr': bitrate,
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})
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if re.search(r'\d+k', h264_url):
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http_url = h264_url
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elif format_id == 'rtmp':
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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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'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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'ext': 'flv',
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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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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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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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continue
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f = m3u8_format.copy()
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f.update({
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'url': bitrate_url,
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'format_id': m3u8_format['format_id'].replace('hls', 'http'),
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'protocol': 'http',
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})
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if f.get('acodec') == 'none':
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del f['acodec']
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formats.append(f)
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audio_download = talk_info.get('audioDownload')
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if audio_download:
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formats.append({
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'url': audio_download,
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'format_id': 'audio',
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'vcodec': 'none',
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})
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self._sort_formats(formats)
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video_id = compat_str(talk_info['id'])
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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):
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webpage = self._download_webpage(url, name)
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config_json = self._html_search_regex(
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r'"pages\.jwplayer"\s*,\s*({.+?})\s*\)\s*</script>',
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webpage, 'config', default=None)
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if not config_json:
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embed_url = self._search_regex(
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r"<iframe[^>]+class='pages-video-embed__video__object'[^>]+src='([^']+)'", webpage, 'embed url')
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return self.url_result(self._proto_relative_url(embed_url))
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config = json.loads(config_json)['config']
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video_url = config['video']['url']
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thumbnail = config.get('image', {}).get('url')
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title = self._html_search_regex(
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r"(?s)<h1(?:\s+class='[^']+')?>(.+?)</h1>", webpage, 'title')
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description = self._html_search_regex(
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[
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r'(?s)<h4 class="[^"]+" id="h3--about-this-talk">.*?</h4>(.*?)</div>',
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r'(?s)<p><strong>About this talk:</strong>\s+(.*?)</p>',
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],
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webpage, 'description', fatal=False)
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return {
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'id': name,
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'url': video_url,
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'title': title,
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'thumbnail': thumbnail,
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'description': description,
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}
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