Update README.md

[youtubedl] / youtube_dl / extractor / ted.py

diff --git a/youtube_dl/extractor/ted.py b/youtube_dl/extractor/ted.py
index 4cec06f8bd6e2a18ac3062e916225746f5153c93..63e2455b20b2a4f3fc639b14c9b04e2c122f505f 100644 (file)
--- a/youtube_dl/extractor/ted.py
+++ b/youtube_dl/extractor/ted.py
@@ -7,15 +7,24 @@ from .common import InfoExtractor
 
 from ..compat import (
     compat_str,
 
 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):
 )
 
 
 class TEDIE(InfoExtractor):

+    IE_NAME = 'ted'

     _VALID_URL = r'''(?x)
         (?P<proto>https?://)
         (?P<type>www|embed(?:-ssl)?)(?P<urlmain>\.ted\.com/
         (
     _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_playlist>playlists(?:/(?P<playlist_id>\d+))?) # We have a playlist

             |
             ((?P<type_talk>talks)) # We have a simple talk
             |
             |
             ((?P<type_talk>talks)) # We have a simple talk
             |


@@ -27,7 +36,7 @@ class TEDIE(InfoExtractor):
         '''
     _TESTS = [{
         'url': 'http://www.ted.com/talks/dan_dennett_on_our_consciousness.html',
         '''
     _TESTS = [{
         'url': 'http://www.ted.com/talks/dan_dennett_on_our_consciousness.html',

-        'md5': 'fc94ac279feebbce69f21c0c6ee82810',
+        'md5': 'b0ce2b05ca215042124fbc9e3886493a',

         'info_dict': {
             'id': '102',
             'ext': 'mp4',
         'info_dict': {
             'id': '102',
             'ext': 'mp4',


@@ -37,21 +46,32 @@ class TEDIE(InfoExtractor):
                             'consciousness, but that half the time our brains are '
                             'actively fooling us.'),
             'uploader': 'Dan Dennett',
                             'consciousness, but that half the time our brains are '
                             'actively fooling us.'),
             'uploader': 'Dan Dennett',

-            'width': 854,
+            'width': 853,

             'duration': 1308,
             'duration': 1308,

-        }
+            'view_count': int,
+            'comment_count': int,
+            'tags': list,
+        },
+        'params': {
+            'skip_download': True,
+        },

     }, {
     }, {

-        'url': 'http://www.ted.com/watch/ted-institute/ted-bcg/vishal-sikka-the-beauty-and-power-of-algorithms',
-        'md5': '226f4fb9c62380d11b7995efa4c87994',
+        # missing HTTP bitrates
+        'url': 'https://www.ted.com/talks/vishal_sikka_the_beauty_and_power_of_algorithms',

         'info_dict': {
         'info_dict': {

-            'id': 'vishal-sikka-the-beauty-and-power-of-algorithms',
+            'id': '6069',

             'ext': 'mp4',
             'ext': 'mp4',

-            'title': 'Vishal Sikka: The beauty and power of algorithms',
-            'thumbnail': 're:^https?://.+\.jpg',
-            'description': 'Adaptive, intelligent, and consistent, algorithms are emerging as the ultimate app for everything from matching consumers to products to assessing medical diagnoses. Vishal Sikka shares his appreciation for the algorithm, charting both its inherent beauty and its growing power.',
-        }
+            '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',
     }, {
         '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',
         'info_dict': {
             'id': '1972',
             'ext': 'mp4',


@@ -60,11 +80,15 @@ class TEDIE(InfoExtractor):
             'description': 'md5:5174aed4d0f16021b704120360f72b92',
             'duration': 1128,
         },
             '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?',
     }, {
         '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,
     }, {
         },
         'playlist_mincount': 6,
     }, {


@@ -73,7 +97,7 @@ class TEDIE(InfoExtractor):
         'add_ie': ['Youtube'],
         'info_dict': {
             'id': '_ZG8HBuDjgc',
         'add_ie': ['Youtube'],
         'info_dict': {
             'id': '_ZG8HBuDjgc',

-            'ext': 'mp4',
+            'ext': 'webm',

             'title': 'Douglas Adams: Parrots the Universe and Everything',
             'description': 'md5:01ad1e199c49ac640cb1196c0e9016af',
             'uploader': 'University of California Television (UCTV)',
             'title': 'Douglas Adams: Parrots the Universe and Everything',
             'description': 'md5:01ad1e199c49ac640cb1196c0e9016af',
             'uploader': 'University of California Television (UCTV)',


@@ -84,17 +108,17 @@ class TEDIE(InfoExtractor):
             'skip_download': True,
         },
     }, {
             'skip_download': True,
         },
     }, {

-        # YouTube video
-        'url': 'http://www.ted.com/talks/jeffrey_kluger_the_sibling_bond',
-        'add_ie': ['Youtube'],
+        # no nativeDownloads
+        'url': 'https://www.ted.com/talks/tom_thum_the_orchestra_in_my_mouth',

         'info_dict': {
         'info_dict': {

-            'id': 'aFBIPO-P7LM',
+            'id': '1792',

             'ext': 'mp4',
             'ext': 'mp4',

-            'title': 'The hidden power of siblings: Jeff Kluger at TEDxAsheville',
-            'description': 'md5:3d7a4f50d95ca5dd67104e2a20f43fe1',
-            'uploader': 'TEDx Talks',
-            'uploader_id': 'TEDxTalks',
-            'upload_date': '20111216',
+            'title': 'The orchestra in my mouth',
+            'description': 'md5:5d1d78650e2f8dfcbb8ebee2951ac29a',
+            'uploader': 'Tom Thum',
+            'view_count': int,
+            'comment_count': int,
+            'tags': list,

         },
         'params': {
             'skip_download': True,
         },
         'params': {
             'skip_download': True,


@@ -102,14 +126,15 @@ class TEDIE(InfoExtractor):
     }]
 
     _NATIVE_FORMATS = {
     }]
 
     _NATIVE_FORMATS = {

-        'low': {'preference': 1, 'width': 320, 'height': 180},
-        'medium': {'preference': 2, 'width': 512, 'height': 288},
-        'high': {'preference': 3, 'width': 854, 'height': 480},
+        'low': {'width': 320, 'height': 180},
+        'medium': {'width': 512, 'height': 288},
+        'high': {'width': 854, 'height': 480},

     }
 
     def _extract_info(self, webpage):
     }
 
     def _extract_info(self, webpage):

-        info_json = self._search_regex(r'q\("\w+.init",({.+})\)</script>',
-                                       webpage, 'info json')
+        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):
         return json.loads(info_json)
 
     def _real_extract(self, url):


@@ -130,97 +155,192 @@ class TEDIE(InfoExtractor):
 
         webpage = self._download_webpage(url, name,
                                          'Downloading playlist webpage')
 
         webpage = self._download_webpage(url, name,
                                          'Downloading playlist webpage')

-        info = self._extract_info(webpage)
-        playlist_info = info['playlist']

 
 

-        playlist_entries = [
-            self.url_result('http://www.ted.com/talks/' + talk['slug'], self.ie_key())
-            for talk in info['talks']
-        ]
+        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(
         return self.playlist_result(

-            playlist_entries,
-            playlist_id=compat_str(playlist_info['id']),
-            playlist_title=playlist_info['title'])
+            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)
 
     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]
-
-        external = talk_info.get('external')
-        if external:
-            service = external['service']
-            self.to_screen('Found video from %s' % service)
-            ext_url = None
-            if service.lower() == 'youtube':
-                ext_url = external.get('code')
-            return {
-                '_type': 'url',
-                'url': ext_url or external['uri'],
-            }
+
+        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,
 
         formats = [{
             'url': format_url,
             'format_id': format_id,

-            'format': format_id,
-        } for (format_id, format_url) in talk_info['nativeDownloads'].items() if format_url is not None]
+        } 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:
         if formats:
             for f in formats:

-                finfo = self._NATIVE_FORMATS.get(f['format_id'])
+                finfo = self._NATIVE_FORMATS.get(f['format_id'].split('-')[0])

                 if finfo:
                     f.update(finfo)
                 if finfo:
                     f.update(finfo)

-        else:
-            # Use rtmp downloads
-            formats = [{
-                'format_id': f['name'],
-                'url': talk_info['streamer'],
-                'play_path': f['file'],
-                'ext': 'flv',
-                'width': f['width'],
-                'height': f['height'],
-                'tbr': f['bitrate'],
-            } for f in talk_info['resources']['rtmp']]
+
+        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'])
 
         self._sort_formats(formats)
 
         video_id = compat_str(talk_info['id'])
 

-        thumbnail = talk_info['thumb']
-        if not thumbnail.startswith('http'):
-            thumbnail = 'http://' + thumbnail

         return {
             'id': video_id,
         return {
             'id': video_id,

-            'title': talk_info['title'].strip(),
-            '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': self._get_subtitles(video_id, talk_info),
             'formats': formats,
             'description': self._og_search_description(webpage),
             'subtitles': self._get_subtitles(video_id, talk_info),
             'formats': formats,

-            'duration': talk_info.get('duration'),
+            '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):
         }
 
     def _get_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:
-                sub_lang_list[l] = [
-                    {
-                        'url': 'http://www.ted.com/talks/subtitles/id/%s/lang/%s/format/%s' % (video_id, l, ext),
-                        'ext': ext,
-                    }
-                    for ext in ['ted', 'srt']
-                ]
-            return sub_lang_list
-        else:
-            return {}
+        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>',
 
     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')
+            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')
         config = json.loads(config_json)['config']
         video_url = config['video']['url']
         thumbnail = config.get('image', {}).get('url')