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-rw-r--r--youtube_dl/extractor/ted.py363
1 files changed, 0 insertions, 363 deletions
diff --git a/youtube_dl/extractor/ted.py b/youtube_dl/extractor/ted.py
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index 63e2455b2..000000000
--- a/youtube_dl/extractor/ted.py
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-from __future__ import unicode_literals
-
-import json
-import re
-
-from .common import InfoExtractor
-
-from ..compat import (
- compat_str,
- compat_urlparse
-)
-from ..utils import (
- extract_attributes,
- float_or_none,
- int_or_none,
- try_get,
- url_or_none,
-)
-
-
-class TEDIE(InfoExtractor):
- IE_NAME = 'ted'
- _VALID_URL = r'''(?x)
- (?P<proto>https?://)
- (?P<type>www|embed(?:-ssl)?)(?P<urlmain>\.ted\.com/
- (
- (?P<type_playlist>playlists(?:/(?P<playlist_id>\d+))?) # We have a playlist
- |
- ((?P<type_talk>talks)) # We have a simple talk
- |
- (?P<type_watch>watch)/[^/]+/[^/]+
- )
- (/lang/(.*?))? # The url may contain the language
- /(?P<name>[\w-]+) # Here goes the name and then ".html"
- .*)$
- '''
- _TESTS = [{
- 'url': 'http://www.ted.com/talks/dan_dennett_on_our_consciousness.html',
- 'md5': 'b0ce2b05ca215042124fbc9e3886493a',
- 'info_dict': {
- 'id': '102',
- 'ext': 'mp4',
- 'title': 'The illusion of consciousness',
- 'description': ('Philosopher Dan Dennett makes a compelling '
- 'argument that not only don\'t we understand our own '
- 'consciousness, but that half the time our brains are '
- 'actively fooling us.'),
- 'uploader': 'Dan Dennett',
- 'width': 853,
- 'duration': 1308,
- 'view_count': int,
- 'comment_count': int,
- 'tags': list,
- },
- 'params': {
- 'skip_download': True,
- },
- }, {
- # missing HTTP bitrates
- 'url': 'https://www.ted.com/talks/vishal_sikka_the_beauty_and_power_of_algorithms',
- 'info_dict': {
- 'id': '6069',
- 'ext': 'mp4',
- 'title': 'The beauty and power of algorithms',
- 'thumbnail': r're:^https?://.+\.jpg',
- 'description': 'md5:734e352710fb00d840ab87ae31aaf688',
- 'uploader': 'Vishal Sikka',
- },
- 'params': {
- 'skip_download': True,
- },
- }, {
- 'url': 'http://www.ted.com/talks/gabby_giffords_and_mark_kelly_be_passionate_be_courageous_be_your_best',
- 'md5': 'e6b9617c01a7970ceac8bb2c92c346c0',
- 'info_dict': {
- 'id': '1972',
- 'ext': 'mp4',
- 'title': 'Be passionate. Be courageous. Be your best.',
- 'uploader': 'Gabby Giffords and Mark Kelly',
- 'description': 'md5:5174aed4d0f16021b704120360f72b92',
- 'duration': 1128,
- },
- 'params': {
- 'skip_download': True,
- },
- }, {
- 'url': 'http://www.ted.com/playlists/who_are_the_hackers',
- 'info_dict': {
- 'id': '10',
- 'title': 'Who are the hackers?',
- 'description': 'md5:49a0dbe8fb76d81a0e64b4a80af7f15a'
- },
- 'playlist_mincount': 6,
- }, {
- # contains a youtube video
- 'url': 'https://www.ted.com/talks/douglas_adams_parrots_the_universe_and_everything',
- 'add_ie': ['Youtube'],
- 'info_dict': {
- 'id': '_ZG8HBuDjgc',
- 'ext': 'webm',
- 'title': 'Douglas Adams: Parrots the Universe and Everything',
- 'description': 'md5:01ad1e199c49ac640cb1196c0e9016af',
- 'uploader': 'University of California Television (UCTV)',
- 'uploader_id': 'UCtelevision',
- 'upload_date': '20080522',
- },
- 'params': {
- 'skip_download': True,
- },
- }, {
- # no nativeDownloads
- 'url': 'https://www.ted.com/talks/tom_thum_the_orchestra_in_my_mouth',
- 'info_dict': {
- 'id': '1792',
- 'ext': 'mp4',
- 'title': 'The orchestra in my mouth',
- 'description': 'md5:5d1d78650e2f8dfcbb8ebee2951ac29a',
- 'uploader': 'Tom Thum',
- 'view_count': int,
- 'comment_count': int,
- 'tags': list,
- },
- 'params': {
- 'skip_download': True,
- },
- }]
-
- _NATIVE_FORMATS = {
- 'low': {'width': 320, 'height': 180},
- 'medium': {'width': 512, 'height': 288},
- 'high': {'width': 854, 'height': 480},
- }
-
- def _extract_info(self, webpage):
- info_json = self._search_regex(
- r'(?s)q\(\s*"\w+.init"\s*,\s*({.+?})\)\s*</script>',
- webpage, 'info json')
- return json.loads(info_json)
-
- def _real_extract(self, url):
- m = re.match(self._VALID_URL, url, re.VERBOSE)
- if m.group('type').startswith('embed'):
- desktop_url = m.group('proto') + 'www' + m.group('urlmain')
- return self.url_result(desktop_url, 'TED')
- name = m.group('name')
- if m.group('type_talk'):
- return self._talk_info(url, name)
- elif m.group('type_watch'):
- return self._watch_info(url, name)
- else:
- return self._playlist_videos_info(url, name)
-
- def _playlist_videos_info(self, url, name):
- '''Returns the videos of the playlist'''
-
- webpage = self._download_webpage(url, name,
- 'Downloading playlist webpage')
-
- playlist_entries = []
- for entry in re.findall(r'(?s)<[^>]+data-ga-context=["\']playlist["\'][^>]*>', webpage):
- attrs = extract_attributes(entry)
- entry_url = compat_urlparse.urljoin(url, attrs['href'])
- playlist_entries.append(self.url_result(entry_url, self.ie_key()))
-
- final_url = self._og_search_url(webpage, fatal=False)
- playlist_id = (
- re.match(self._VALID_URL, final_url).group('playlist_id')
- if final_url else None)
-
- return self.playlist_result(
- playlist_entries, playlist_id=playlist_id,
- playlist_title=self._og_search_title(webpage, fatal=False),
- playlist_description=self._og_search_description(webpage))
-
- def _talk_info(self, url, video_name):
- webpage = self._download_webpage(url, video_name)
-
- info = self._extract_info(webpage)
-
- data = try_get(info, lambda x: x['__INITIAL_DATA__'], dict) or info
- talk_info = data['talks'][0]
-
- title = talk_info['title'].strip()
-
- downloads = talk_info.get('downloads') or {}
- native_downloads = downloads.get('nativeDownloads') or talk_info.get('nativeDownloads') or {}
-
- formats = [{
- 'url': format_url,
- 'format_id': format_id,
- } for (format_id, format_url) in native_downloads.items() if format_url is not None]
-
- subtitled_downloads = downloads.get('subtitledDownloads') or {}
- for lang, subtitled_download in subtitled_downloads.items():
- for q in self._NATIVE_FORMATS:
- q_url = subtitled_download.get(q)
- if not q_url:
- continue
- formats.append({
- 'url': q_url,
- 'format_id': '%s-%s' % (q, lang),
- 'language': lang,
- })
-
- if formats:
- for f in formats:
- finfo = self._NATIVE_FORMATS.get(f['format_id'].split('-')[0])
- if finfo:
- f.update(finfo)
-
- player_talk = talk_info['player_talks'][0]
-
- external = player_talk.get('external')
- if isinstance(external, dict):
- service = external.get('service')
- if isinstance(service, compat_str):
- ext_url = None
- if service.lower() == 'youtube':
- ext_url = external.get('code')
-
- return self.url_result(ext_url or external['uri'])
-
- resources_ = player_talk.get('resources') or talk_info.get('resources')
-
- http_url = None
- for format_id, resources in resources_.items():
- if format_id == 'hls':
- if not isinstance(resources, dict):
- continue
- stream_url = url_or_none(resources.get('stream'))
- if not stream_url:
- continue
- formats.extend(self._extract_m3u8_formats(
- stream_url, video_name, 'mp4', m3u8_id=format_id,
- fatal=False))
- else:
- if not isinstance(resources, list):
- continue
- if format_id == 'h264':
- for resource in resources:
- h264_url = resource.get('file')
- if not h264_url:
- continue
- bitrate = int_or_none(resource.get('bitrate'))
- formats.append({
- 'url': h264_url,
- 'format_id': '%s-%sk' % (format_id, bitrate),
- 'tbr': bitrate,
- })
- if re.search(r'\d+k', h264_url):
- http_url = h264_url
- elif format_id == 'rtmp':
- streamer = talk_info.get('streamer')
- if not streamer:
- continue
- for resource in resources:
- formats.append({
- 'format_id': '%s-%s' % (format_id, resource.get('name')),
- 'url': streamer,
- 'play_path': resource['file'],
- 'ext': 'flv',
- 'width': int_or_none(resource.get('width')),
- 'height': int_or_none(resource.get('height')),
- 'tbr': int_or_none(resource.get('bitrate')),
- })
-
- m3u8_formats = list(filter(
- lambda f: f.get('protocol') == 'm3u8' and f.get('vcodec') != 'none',
- formats))
- if http_url:
- for m3u8_format in m3u8_formats:
- bitrate = self._search_regex(r'(\d+k)', m3u8_format['url'], 'bitrate', default=None)
- if not bitrate:
- continue
- bitrate_url = re.sub(r'\d+k', bitrate, http_url)
- if not self._is_valid_url(
- bitrate_url, video_name, '%s bitrate' % bitrate):
- continue
- f = m3u8_format.copy()
- f.update({
- 'url': bitrate_url,
- 'format_id': m3u8_format['format_id'].replace('hls', 'http'),
- 'protocol': 'http',
- })
- if f.get('acodec') == 'none':
- del f['acodec']
- formats.append(f)
-
- audio_download = talk_info.get('audioDownload')
- if audio_download:
- formats.append({
- 'url': audio_download,
- 'format_id': 'audio',
- 'vcodec': 'none',
- })
-
- self._sort_formats(formats)
-
- video_id = compat_str(talk_info['id'])
-
- return {
- 'id': video_id,
- 'title': title,
- 'uploader': player_talk.get('speaker') or talk_info.get('speaker'),
- 'thumbnail': player_talk.get('thumb') or talk_info.get('thumb'),
- 'description': self._og_search_description(webpage),
- 'subtitles': self._get_subtitles(video_id, talk_info),
- 'formats': formats,
- 'duration': float_or_none(talk_info.get('duration')),
- 'view_count': int_or_none(data.get('viewed_count')),
- 'comment_count': int_or_none(
- try_get(data, lambda x: x['comments']['count'])),
- 'tags': try_get(talk_info, lambda x: x['tags'], list),
- }
-
- def _get_subtitles(self, video_id, talk_info):
- sub_lang_list = {}
- for language in try_get(
- talk_info,
- (lambda x: x['downloads']['languages'],
- lambda x: x['languages']), list):
- lang_code = language.get('languageCode') or language.get('ianaCode')
- if not lang_code:
- continue
- sub_lang_list[lang_code] = [
- {
- 'url': 'http://www.ted.com/talks/subtitles/id/%s/lang/%s/format/%s' % (video_id, lang_code, ext),
- 'ext': ext,
- }
- for ext in ['ted', 'srt']
- ]
- return sub_lang_list
-
- 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,
- 'thumbnail': thumbnail,
- 'description': description,
- }
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-09 22:07:17 +0000