+from __future__ import unicode_literals
+
import json
import re
from .common import InfoExtractor
+from ..compat import compat_str
+from ..utils import (
+ float_or_none,
+ int_or_none,
+ try_get,
+ url_or_none,
+)
+
class TEDIE(InfoExtractor):
- _VALID_URL=r'''http://www\.ted\.com/
- (
- ((?P<type_playlist>playlists)/(?P<playlist_id>\d+)) # We have a playlist
- |
- ((?P<type_talk>talks)) # We have a simple talk
- )
- (/lang/(.*?))? # The url may contain the language
- /(?P<name>\w+) # Here goes the name and then ".html"
- '''
-
- @classmethod
- def suitable(cls, url):
- """Receives a URL and returns True if suitable for this IE."""
- return re.match(cls._VALID_URL, url, re.VERBOSE) is not None
+ IE_NAME = 'ted'
+ _VALID_URL = r'''(?x)
+ (?P<proto>https?://)
+ (?P<type>www|embed(?:-ssl)?)(?P<urlmain>\.ted\.com/
+ (
+ (?P<type_playlist>playlists(?:/\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?',
+ },
+ '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)
+ 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)]
- else :
- playlist_id=m.group('playlist_id')
- name=m.group('name')
- self.to_screen(u'Getting info of playlist %s: "%s"' % (playlist_id,name))
- return [self._playlist_videos_info(url,name,playlist_id)]
-
- def _playlist_videos_info(self,url,name,playlist_id=0):
+ 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'''
- video_RE=r'''
- <li\ id="talk_(\d+)"([.\s]*?)data-id="(?P<video_id>\d+)"
- ([.\s]*?)data-playlist_item_id="(\d+)"
- ([.\s]*?)data-mediaslug="(?P<mediaSlug>.+?)"
- '''
- video_name_RE=r'<p\ class="talk-title"><a href="(?P<talk_url>/talks/(.+).html)">(?P<fullname>.+?)</a></p>'
- webpage=self._download_webpage(url, playlist_id, 'Downloading playlist webpage')
- m_videos=re.finditer(video_RE,webpage,re.VERBOSE)
- m_names=re.finditer(video_name_RE,webpage)
-
- playlist_title = self._html_search_regex(r'div class="headline">\s*?<h1>\s*?<span>(.*?)</span>',
- webpage, 'playlist title')
-
- playlist_entries = []
- for m_video, m_name in zip(m_videos,m_names):
- talk_url='http://www.ted.com%s' % m_name.group('talk_url')
- playlist_entries.append(self.url_result(talk_url, 'TED'))
- return self.playlist_result(playlist_entries, playlist_id = playlist_id, playlist_title = playlist_title)
-
- def _talk_info(self, url, video_id=0):
- """Return the video for the talk in the url"""
- m = re.match(self._VALID_URL, url,re.VERBOSE)
- video_name = m.group('name')
- webpage = self._download_webpage(url, video_id, 'Downloading \"%s\" page' % video_name)
- self.report_extraction(video_name)
- # If the url includes the language we get the title translated
- title = self._html_search_regex(r'<span id="altHeadline" >(?P<title>.*)</span>',
- webpage, 'title')
- json_data = self._search_regex(r'<script.*?>var talkDetails = ({.*?})</script>',
- webpage, 'json data')
- info = json.loads(json_data)
- desc = self._html_search_regex(r'<div class="talk-intro">.*?<p.*?>(.*?)</p>',
- webpage, 'description', flags = re.DOTALL)
-
- thumbnail = self._search_regex(r'</span>[\s.]*</div>[\s.]*<img src="(.*?)"',
- webpage, 'thumbnail')
- info = {
- 'id': info['id'],
- 'url': info['htmlStreams'][-1]['file'],
- 'ext': 'mp4',
- 'title': title,
- 'thumbnail': thumbnail,
- 'description': desc,
+
+ webpage = self._download_webpage(url, name,
+ 'Downloading playlist webpage')
+ info = self._extract_info(webpage)
+
+ playlist_info = try_get(
+ info, lambda x: x['__INITIAL_DATA__']['playlist'],
+ dict) or info['playlist']
+
+ playlist_entries = [
+ self.url_result('http://www.ted.com/talks/' + talk['slug'], self.ie_key())
+ for talk in try_get(
+ info, lambda x: x['__INITIAL_DATA__']['talks'],
+ dict) or info['talks']
+ ]
+ return self.playlist_result(
+ playlist_entries,
+ playlist_id=compat_str(playlist_info['id']),
+ playlist_title=playlist_info['title'])
+
+ 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()
+
+ native_downloads = try_get(
+ talk_info,
+ (lambda x: x['downloads']['nativeDownloads'],
+ lambda x: x['nativeDownloads']),
+ dict) or {}
+
+ formats = [{
+ 'url': format_url,
+ 'format_id': format_id,
+ 'format': format_id,
+ } for (format_id, format_url) in native_downloads.items() if format_url is not None]
+ if formats:
+ for f in formats:
+ finfo = self._NATIVE_FORMATS.get(f['format_id'])
+ 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 {
+ '_type': 'url',
+ 'url': 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 not isinstance(resources, dict):
+ 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')),
+ })
+ elif format_id == 'hls':
+ 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))
+
+ 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',
+ })
+ 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,
}
- return info
+ 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,
+ }
Rapsys Git / youtubedl / blobdiff