Merge branch 'compat-getenv-and-expanduser' of https://github.com/dstftw/youtube...
[youtube-dl] / youtube_dl / extractor / ted.py
index aab026936bc542b7e333c09e28add575024c2cb1..cd4af96fdb02b2f4ea392fe19482371b6a02acad 100644 (file)
@@ -11,18 +11,23 @@ from ..utils import (
 
 
 class TEDIE(SubtitlesInfoExtractor):
-    _VALID_URL = r'''(?x)http://(?P<type>www|embed)\.ted\.com/
+    _VALID_URL = r'''(?x)
+        (?P<proto>https?://)
+        (?P<type>www|embed)(?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"
+        /(?P<name>[\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': 'fc94ac279feebbce69f21c0c6ee82810',
         'info_dict': {
             'id': '102',
             'ext': 'mp4',
@@ -32,13 +37,56 @@ class TEDIE(SubtitlesInfoExtractor):
                 'consciousness, but that half the time our brains are '
                 'actively fooling us.'),
             'uploader': 'Dan Dennett',
+            'width': 854,
         }
-    }
-
-    _FORMATS_PREFERENCE = {
-        'low': 1,
-        'medium': 2,
-        'high': 3,
+    }, {
+        'url': 'http://www.ted.com/watch/ted-institute/ted-bcg/vishal-sikka-the-beauty-and-power-of-algorithms',
+        'md5': '226f4fb9c62380d11b7995efa4c87994',
+        'info_dict': {
+            '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',
+        },
+    }, {
+        '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,
+        },
+    }]
+
+    _NATIVE_FORMATS = {
+        'low': {'preference': 1, 'width': 320, 'height': 180},
+        'medium': {'preference': 2, 'width': 512, 'height': 288},
+        'high': {'preference': 3, 'width': 854, 'height': 480},
     }
 
     def _extract_info(self, webpage):
@@ -48,12 +96,14 @@ class TEDIE(SubtitlesInfoExtractor):
 
     def _real_extract(self, url):
         m = re.match(self._VALID_URL, url, re.VERBOSE)
-        if m.group('type') == 'embed': # if the _VALID_URL is an embed 
-            desktop_url = re.sub("embed", "www", url) 
-            return self.url_result(desktop_url, 'TED') # pass the desktop version to the extractor
+        if m.group('type') == '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)
 
@@ -66,7 +116,7 @@ class TEDIE(SubtitlesInfoExtractor):
         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(
@@ -80,13 +130,34 @@ class TEDIE(SubtitlesInfoExtractor):
 
         talk_info = self._extract_info(webpage)['talks'][0]
 
+        if talk_info.get('external') is not None:
+            self.to_screen('Found video from %s' % talk_info['external']['service'])
+            return {
+                '_type': 'url',
+                'url': talk_info['external']['uri'],
+            }
+
         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 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'])
@@ -101,7 +172,7 @@ class TEDIE(SubtitlesInfoExtractor):
             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),
@@ -118,5 +189,31 @@ class TEDIE(SubtitlesInfoExtractor):
                 sub_lang_list[l] = url
             return sub_lang_list
         else:
-            self._downloader.report_warning(u'video doesn\'t have subtitles')
+            self._downloader.report_warning('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)
+        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,
+        }