[dw] Add new extractor

youtube_dl/extractor/dw.py

@@ -0,0 +1,43 @@
+# coding: utf-8
+from __future__ import unicode_literals
+
+from .common import InfoExtractor
+from ..utils import int_or_none
+
+
+class DWIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:www\.)?dw\.com/(?:[^/]+/)+av-(?P<id>\d+)'
+    _TEST = {
+        'url': 'http://www.dw.com/en/intelligent-light/av-19112290',
+        'md5': '7372046e1815c5a534b43f3c3c36e6e9',
+        'info_dict': {
+            'id': '19112290',
+            'ext': 'mp4',
+            'title': 'Intelligent light',
+            'description': 'md5:90e00d5881719f2a6a5827cb74985af1',
+            'upload_date': '20160311',
+        }
+    }
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+
+        formats = self._extract_smil_formats(
+            'http://www.dw.com/smil/v-%s' % video_id, video_id,
+            transform_source=lambda s: s.replace(
+                'rtmp://tv-od.dw.de/flash/',
+                'http://tv-download.dw.de/dwtv_video/flv/'))
+
+        webpage = self._download_webpage(url, video_id)
+        hidden_inputs = self._hidden_inputs(webpage)
+        title = hidden_inputs['media_title']
+
+        return {
+            'id': video_id,
+            'title': title,
+            'description': self._og_search_description(webpage),
+            'thumbnail': hidden_inputs.get('preview_image'),
+            'duration': int_or_none(hidden_inputs.get('file_duration')),
+            'upload_date': hidden_inputs.get('display_date'),
+            'formats': formats,
+        }