Move TED IE into its own file

1 files changed, 79 insertions, 0 deletions

diff --git a/youtube_dl/extractor/ted.py b/youtube_dl/extractor/ted.py
new file mode 100644
index 000000000..ccad1c7c2
--- /dev/null
+++ b/youtube_dl/extractor/ted.py
@@ -0,0 +1,79 @@
+import json
+import re
+
+from .common import InfoExtractor
+
+
+class TEDIE(InfoExtractor):
+    _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"
+                   '''
+
+    @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 _real_extract(self, url):
+        m=re.match(self._VALID_URL, url, re.VERBOSE)
+        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)]
+
+    def _playlist_videos_info(self,url,name,playlist_id=0):
+        '''Returns the videos of the playlist'''
+        video_RE=r'''
+                     <li\ id="talk_(\d+)"([.\s]*?)data-id="(?P<video_id>\d+)"
+                     ([.\s]*?)data-playlist_item_id="(\d+)"
+                     ([.\s]*?)data-mediaslug="(?P<mediaSlug>.+?)"
+                     '''
+        video_name_RE=r'<p\ class="talk-title"><a href="(?P<talk_url>/talks/(.+).html)">(?P<fullname>.+?)</a></p>'
+        webpage=self._download_webpage(url, playlist_id, 'Downloading playlist webpage')
+        m_videos=re.finditer(video_RE,webpage,re.VERBOSE)
+        m_names=re.finditer(video_name_RE,webpage)
+
+        playlist_title = self._html_search_regex(r'div class="headline">\s*?<h1>\s*?<span>(.*?)</span>',
+                                                 webpage, 'playlist title')
+
+        playlist_entries = []
+        for m_video, m_name in zip(m_videos,m_names):
+            talk_url='http://www.ted.com%s' % m_name.group('talk_url')
+            playlist_entries.append(self.url_result(talk_url, 'TED'))
+        return self.playlist_result(playlist_entries, playlist_id = playlist_id, playlist_title = playlist_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)
+        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')
+        info = {
+                'id': info['id'],
+                'url': info['htmlStreams'][-1]['file'],
+                'ext': 'mp4',
+                'title': title,
+                'thumbnail': thumbnail,
+                'description': desc,
+                }
+        return info