X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2Fextractor%2Fted.py;h=645942dfd369ad7ad6effe0dcfd8ccabde8a9678;hb=a61ce71468cb222338ccd8039dc631f3619dc585;hp=ad1a46c3385713056b94d2f00e38558e8ea69b1c;hpb=aab74fa10655213c24c6f38a5b0c6b18049e737a;p=youtube-dl diff --git a/youtube_dl/extractor/ted.py b/youtube_dl/extractor/ted.py index ad1a46c33..645942dfd 100644 --- a/youtube_dl/extractor/ted.py +++ b/youtube_dl/extractor/ted.py @@ -3,60 +3,145 @@ from __future__ import unicode_literals import json import re -from .subtitles import SubtitlesInfoExtractor +from .common import InfoExtractor +from ..compat import compat_str from ..utils import ( - compat_str, + float_or_none, + int_or_none, + try_get, + url_or_none, ) -class TEDIE(SubtitlesInfoExtractor): +class TEDIE(InfoExtractor): + IE_NAME = 'ted' _VALID_URL = r'''(?x) (?Phttps?://) - (?Pwww|embed)(?P\.ted\.com/ + (?Pwww|embed(?:-ssl)?)(?P\.ted\.com/ ( (?Pplaylists(?:/\d+)?) # We have a playlist | ((?Ptalks)) # We have a simple talk + | + (?Pwatch)/[^/]+/[^/]+ ) (/lang/(.*?))? # The url may contain the language - /(?P\w+) # Here goes the name and then ".html" + /(?P[\w-]+) # Here goes the name and then ".html" .*)$ ''' - _TEST = { + _TESTS = [{ 'url': 'http://www.ted.com/talks/dan_dennett_on_our_consciousness.html', - 'md5': '4ea1dada91e4174b53dac2bb8ace429d', + '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.'), + '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, + }, + }] - _FORMATS_PREFERENCE = { - 'low': 1, - 'medium': 2, - 'high': 3, + _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'q\("\w+.init",({.+})\)', + info_json = self._search_regex( + r'(?s)q\(\s*"\w+.init"\s*,\s*({.+})\)\s*', 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') == 'embed': + 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) @@ -64,13 +149,18 @@ class TEDIE(SubtitlesInfoExtractor): '''Returns the videos of the playlist''' webpage = self._download_webpage(url, name, - 'Downloading playlist webpage') + 'Downloading playlist webpage') info = self._extract_info(webpage) - playlist_info = info['playlist'] + + playlist_info = try_get( + info, lambda x: x['__INITIAL_DATA__']['playlist'], + dict) or info['playlist'] playlist_entries = [ - self.url_result(u'http://www.ted.com/talks/' + talk['slug'], self.ie_key()) - for talk in info['talks'] + 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, @@ -79,47 +169,178 @@ class TEDIE(SubtitlesInfoExtractor): def _talk_info(self, url, video_name): webpage = self._download_webpage(url, video_name) - self.report_extraction(video_name) - talk_info = self._extract_info(webpage)['talks'][0] + 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 = [{ - 'ext': 'mp4', 'url': format_url, 'format_id': format_id, 'format': format_id, - 'preference': self._FORMATS_PREFERENCE.get(format_id, -1), - } for (format_id, format_url) in talk_info['nativeDownloads'].items()] + } 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 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 == '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': + 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)) + + 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']) - # subtitles - video_subtitles = self.extract_subtitles(video_id, talk_info) - if self._downloader.params.get('listsubtitles', False): - self._list_available_subtitles(video_id, talk_info) - return - - thumbnail = talk_info['thumb'] - if not thumbnail.startswith('http'): - thumbnail = 'http://' + thumbnail + return { 'id': video_id, - 'title': talk_info['title'], - 'uploader': talk_info['speaker'], - 'thumbnail': thumbnail, + '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': video_subtitles, + '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_available_subtitles(self, video_id, talk_info): - languages = [lang['languageCode'] for lang in talk_info.get('languages', [])] - if languages: - sub_lang_list = {} - for l in languages: - url = 'http://www.ted.com/talks/subtitles/id/%s/lang/%s/format/srt' % (video_id, l) - sub_lang_list[l] = url - return sub_lang_list - else: - self._downloader.report_warning(u'video doesn\'t have subtitles') - return {} + 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*', + webpage, 'config', default=None) + if not config_json: + embed_url = self._search_regex( + r"]+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)(.+?)", webpage, 'title') + description = self._html_search_regex( + [ + r'(?s)

.*?

(.*?)', + r'(?s)

About this talk:\s+(.*?)

', + ], + webpage, 'description', fatal=False) + + return { + 'id': name, + 'url': video_url, + 'title': title, + 'thumbnail': thumbnail, + 'description': description, + }