Merge branch 'subtitles-rework'
[youtube-dl] / youtube_dl / extractor / ted.py
index be7a0f866cb0ce37d977e6ce504ff3d612af5bbb..4cec06f8bd6e2a18ac3062e916225746f5153c93 100644 (file)
@@ -3,17 +3,17 @@ from __future__ import unicode_literals
 import json
 import re
 
-from .subtitles import SubtitlesInfoExtractor
+from .common import InfoExtractor
 
-from ..utils import (
+from ..compat import (
     compat_str,
 )
 
 
-class TEDIE(SubtitlesInfoExtractor):
+class TEDIE(InfoExtractor):
     _VALID_URL = r'''(?x)
         (?P<proto>https?://)
-        (?P<type>www|embed)(?P<urlmain>\.ted\.com/
+        (?P<type>www|embed(?:-ssl)?)(?P<urlmain>\.ted\.com/
         (
             (?P<type_playlist>playlists(?:/\d+)?) # We have a playlist
             |
@@ -27,17 +27,18 @@ class TEDIE(SubtitlesInfoExtractor):
         '''
     _TESTS = [{
         'url': 'http://www.ted.com/talks/dan_dennett_on_our_consciousness.html',
-        '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.'),
+                            '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',
@@ -49,6 +50,55 @@ class TEDIE(SubtitlesInfoExtractor):
             '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 = {
@@ -59,12 +109,12 @@ class TEDIE(SubtitlesInfoExtractor):
 
     def _extract_info(self, webpage):
         info_json = self._search_regex(r'q\("\w+.init",({.+})\)</script>',
-            webpage, 'info json')
+                                       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')
@@ -79,12 +129,12 @@ 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_entries = [
-            self.url_result(u'http://www.ted.com/talks/' + talk['slug'], self.ie_key())
+            self.url_result('http://www.ted.com/talks/' + talk['slug'], self.ie_key())
             for talk in info['talks']
         ]
         return self.playlist_result(
@@ -98,62 +148,90 @@ class TEDIE(SubtitlesInfoExtractor):
 
         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 = [{
             'url': format_url,
             'format_id': format_id,
             'format': format_id,
-        } for (format_id, format_url) in talk_info['nativeDownloads'].items()]
-        for f in formats:
-            finfo = self._NATIVE_FORMATS.get(f['format_id'])
-            if finfo:
-                f.update(finfo)
+        } 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)
+        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']]
         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'],
+            'title': talk_info['title'].strip(),
             'uploader': talk_info['speaker'],
             'thumbnail': thumbnail,
             'description': self._og_search_description(webpage),
-            'subtitles': video_subtitles,
+            'subtitles': self._get_subtitles(video_id, talk_info),
             'formats': formats,
+            'duration': talk_info.get('duration'),
         }
 
-    def _get_available_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:
-                url = 'http://www.ted.com/talks/subtitles/id/%s/lang/%s/format/srt' % (video_id, l)
-                sub_lang_list[l] = url
+                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:
-            self._downloader.report_warning(u'video doesn\'t have subtitles')
             return {}
 
     def _watch_info(self, url, name):
         webpage = self._download_webpage(url, name)
 
         config_json = self._html_search_regex(
-            r"data-config='([^']+)", webpage, 'config')
-        config = json.loads(config_json)
+            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)<h4 class="[^"]+" id="h3--about-this-talk">.*?</h4>(.*?)</div>',
+                r'(?s)<p><strong>About this talk:</strong>\s+(.*?)</p>',
+            ],
             webpage, 'description', fatal=False)
 
         return {