Update changelog.

[youtubedl] / youtube_dl / extractor / ted.py

diff --git a/youtube_dl/extractor/ted.py b/youtube_dl/extractor/ted.py
index 8b31caa92c1e44473aa42953427b3cc2d71762f7..a48d77c309dcd1f9984cd0a6c71b7af574ca5498 100644 (file)
--- a/youtube_dl/extractor/ted.py
+++ b/youtube_dl/extractor/ted.py
@@ -3,118 +3,275 @@ from __future__ import unicode_literals
 import json
 import re
 
 import json
 import re
 

-from .subtitles import SubtitlesInfoExtractor
-
-from ..utils import (
-    RegexNotFoundError,
-)
-
-
-class TEDIE(SubtitlesInfoExtractor):
-    _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"
-                   '''
-    _TEST = {
+from .common import InfoExtractor
+
+from ..compat import compat_str
+from ..utils import int_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(?:/\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',
         'url': 'http://www.ted.com/talks/dan_dennett_on_our_consciousness.html',

-        'file': '102.mp4',
-        'md5': '4ea1dada91e4174b53dac2bb8ace429d',
+        'md5': 'fc94ac279feebbce69f21c0c6ee82810',
+        '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': 854,
+            'duration': 1308,
+        }
+    }, {
+        'url': 'http://www.ted.com/watch/ted-institute/ted-bcg/vishal-sikka-the-beauty-and-power-of-algorithms',
+        'md5': '226f4fb9c62380d11b7995efa4c87994',

         'info_dict': {
         'info_dict': {

-            "description": "md5:c6fa72e6eedbd938c9caf6b2702f5922",
-            "title": "Dan Dennett: The illusion of consciousness"
+            'id': 'vishal-sikka-the-beauty-and-power-of-algorithms',
+            '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.',

         }
         }

+    }, {
+        'url': 'http://www.ted.com/talks/gabby_giffords_and_mark_kelly_be_passionate_be_courageous_be_your_best',
+        '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,
+        },
+    }, {
+        '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': 'mp4',
+            '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,
+        },
+    }, {
+        # YouTube video
+        'url': 'http://www.ted.com/talks/jeffrey_kluger_the_sibling_bond',
+        'add_ie': ['Youtube'],
+        'info_dict': {
+            'id': 'aFBIPO-P7LM',
+            'ext': 'mp4',
+            'title': 'The hidden power of siblings: Jeff Kluger at TEDxAsheville',
+            'description': 'md5:3d7a4f50d95ca5dd67104e2a20f43fe1',
+            'uploader': 'TEDx Talks',
+            'uploader_id': 'TEDxTalks',
+            'upload_date': '20111216',
+        },
+        'params': {
+            'skip_download': True,
+        },
+    }]
+
+    _NATIVE_FORMATS = {
+        'low': {'preference': 1, 'width': 320, 'height': 180},
+        'medium': {'preference': 2, 'width': 512, 'height': 288},
+        'high': {'preference': 3, 'width': 854, 'height': 480},

     }
 
     }
 

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

 
     def _real_extract(self, url):
 
     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'):
         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)]
-
+            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, playlist_id):
+    def _playlist_videos_info(self, url, name):

         '''Returns the videos of the playlist'''
 
         '''Returns the videos of the playlist'''
 

-        webpage = self._download_webpage(
-            url, playlist_id, 'Downloading playlist webpage')
-        matches = re.finditer(
-            r'<p\s+class="talk-title[^"]*"><a\s+href="(?P<talk_url>/talks/[^"]+\.html)">[^<]*</a></p>',
-            webpage)
-
-        playlist_title = self._html_search_regex(r'div class="headline">\s*?<h1>\s*?<span>(.*?)</span>',
-                                                 webpage, 'playlist title')
+        webpage = self._download_webpage(url, name,
+                                         'Downloading playlist webpage')
+        info = self._extract_info(webpage)
+        playlist_info = info['playlist']

 
         playlist_entries = [
 
         playlist_entries = [

-            self.url_result(u'http://www.ted.com' + m.group('talk_url'), 'TED')
-            for m in matches
+            self.url_result('http://www.ted.com/talks/' + talk['slug'], self.ie_key())
+            for talk in info['talks']

         ]
         return self.playlist_result(
         ]
         return self.playlist_result(

-            playlist_entries, playlist_id=playlist_id, playlist_title=playlist_title)
+            playlist_entries,
+            playlist_id=compat_str(playlist_info['id']),
+            playlist_title=playlist_info['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)
+    def _talk_info(self, url, video_name):
+        webpage = self._download_webpage(url, video_name)

         self.report_extraction(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')
+
+        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'],
+            }
+

         formats = [{
         formats = [{

-            'ext': 'mp4',
-            'url': stream['file'],
-            'format': stream['id']
-        } for stream in info['htmlStreams']]
+            '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]
+        if formats:
+            for f in formats:
+                finfo = self._NATIVE_FORMATS.get(f['format_id'])
+                if finfo:
+                    f.update(finfo)
+
+        for format_id, resources in talk_info['resources'].items():
+            if format_id == 'h264':
+                for resource in resources:
+                    bitrate = int_or_none(resource.get('bitrate'))
+                    formats.append({
+                        'url': resource['file'],
+                        'format_id': '%s-%sk' % (format_id, bitrate),
+                        'tbr': bitrate,
+                    })
+            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':
+                hls_formats = self._extract_m3u8_formats(
+                    resources.get('stream'), video_name, 'mp4', m3u8_id=format_id)
+                for f in hls_formats:
+                    if f.get('format_id') == 'hls-meta':
+                        continue
+                    if not f.get('height'):
+                        f['vcodec'] = 'none'
+                    else:
+                        f['acodec'] = 'none'
+                formats.extend(hls_formats)

 
 

-        video_id = info['id']
+        audio_download = talk_info.get('audioDownload')
+        if audio_download:
+            formats.append({
+                'url': audio_download,
+                'format_id': 'audio',
+                'vcodec': 'none',
+                'preference': -0.5,
+            })

 
 

-        # subtitles
-        video_subtitles = self.extract_subtitles(video_id, webpage)
-        if self._downloader.params.get('listsubtitles', False):
-            self._list_available_subtitles(video_id, webpage)
-            return
+        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': title,
+            'title': talk_info['title'].strip(),
+            'uploader': talk_info['speaker'],

             'thumbnail': thumbnail,
             'thumbnail': thumbnail,

-            'description': desc,
-            'subtitles': video_subtitles,
+            'description': self._og_search_description(webpage),
+            'subtitles': self._get_subtitles(video_id, talk_info),

             'formats': formats,
             'formats': formats,

+            'duration': talk_info.get('duration'),

         }
 
         }
 

-    def _get_available_subtitles(self, video_id, webpage):
-        try:
-            options = self._search_regex(r'(?:<select name="subtitles_language_select" id="subtitles_language_select">)(.*?)(?:</select>)', webpage, 'subtitles_language_select', flags=re.DOTALL)
-            languages = re.findall(r'(?:<option value=")(\S+)"', options)
-            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
-        except RegexNotFoundError:
-            self._downloader.report_warning(u'video doesn\'t have subtitles')
-        return {}
+    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 {}
+
+    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')
+        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,
+        }