Imported Upstream version 2013.11.11

[youtubedl] / youtube_dl / extractor / ted.py

diff --git a/youtube_dl/extractor/ted.py b/youtube_dl/extractor/ted.py
index dfa1176a3e4e4eef333dcb829773c189bf9916ba..76cfdfb90c886a94e95cb60b144e93b3f0acbb1a 100644 (file)
--- a/youtube_dl/extractor/ted.py
+++ b/youtube_dl/extractor/ted.py
@@ -1,10 +1,14 @@
 import json
 import re
 
-from .common import InfoExtractor
+from .subtitles import SubtitlesInfoExtractor
 
+from ..utils import (
+    compat_str,
+    RegexNotFoundError,
+)
 
-class TEDIE(InfoExtractor):
+class TEDIE(SubtitlesInfoExtractor):
     _VALID_URL=r'''http://www\.ted\.com/
                    (
                         ((?P<type_playlist>playlists)/(?P<playlist_id>\d+)) # We have a playlist
@@ -32,7 +36,7 @@ class TEDIE(InfoExtractor):
     def _real_extract(self, url):
         m=re.match(self._VALID_URL, url, re.VERBOSE)
         if m.group('type_talk'):
-            return [self._talk_info(url)]
+            return self._talk_info(url)
         else :
             playlist_id=m.group('playlist_id')
             name=m.group('name')
@@ -82,11 +86,21 @@ class TEDIE(InfoExtractor):
             'url': stream['file'],
             'format': stream['id']
             } for stream in info['htmlStreams']]
+
+        video_id = info['id']
+
+        # subtitles
+        video_subtitles = self.extract_subtitles(video_id, webpage)
+        if self._downloader.params.get('listsubtitles', False):
+            self._list_available_subtitles(video_id, webpage)
+            return
+
         info = {
-            'id': info['id'],
+            'id': video_id,
             'title': title,
             'thumbnail': thumbnail,
             'description': desc,
+            'subtitles': video_subtitles,
             'formats': formats,
         }
 
@@ -94,3 +108,17 @@ class TEDIE(InfoExtractor):
         info.update(info['formats'][-1])
 
         return info
+
+    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 as err:
+            self._downloader.report_warning(u'video doesn\'t have subtitles')
+        return {}