[tumblr] Fix extraction (fixes #4029)

youtube_dl/extractor/tumblr.py

@@ -4,9 +4,6 @@ from __future__ import unicode_literals
 import re
 
 from .common import InfoExtractor
-from ..utils import (
-    ExtractorError,
-)
 
 
 class TumblrIE(InfoExtractor):
@@ -18,7 +15,7 @@ class TumblrIE(InfoExtractor):
             'id': '54196191430',
             'ext': 'mp4',
             'title': 'tatiana maslany news, Orphan Black || DVD extra - behind the scenes ↳...',
-            'description': 'md5:dfac39636969fe6bf1caa2d50405f069',
+            'description': 'md5:37db8211e40b50c7c44e95da14f630b7',
             'thumbnail': 're:http://.*\.jpg',
         }
     }, {
@@ -27,7 +24,7 @@ class TumblrIE(InfoExtractor):
         'info_dict': {
             'id': '90208453769',
             'ext': 'mp4',
-            'title': '5SOS STRUM ;)',
+            'title': '5SOS STRUM ;]',
             'description': 'md5:dba62ac8639482759c8eb10ce474586a',
             'thumbnail': 're:http://.*\.jpg',
         }
@@ -41,18 +38,12 @@ class TumblrIE(InfoExtractor):
         url = 'http://%s.tumblr.com/post/%s/' % (blog, video_id)
         webpage = self._download_webpage(url, video_id)
 
-        re_video = r'src=\\x22(?P<video_url>http://%s\.tumblr\.com/video_file/%s/(.*?))\\x22 type=\\x22video/(?P<ext>.*?)\\x22' % (blog, video_id)
-        video = re.search(re_video, webpage)
-        if video is None:
-            raise ExtractorError('Unable to extract video')
-        video_url = video.group('video_url')
-        ext = video.group('ext')
-
-        video_thumbnail = self._search_regex(
-            r'posters.*?\[\\x22(.*?)\\x22',
-            webpage, 'thumbnail', fatal=False)  # We pick the first poster
-        if video_thumbnail:
-            video_thumbnail = video_thumbnail.replace('\\\\/', '/')
+        iframe_url = self._search_regex(
+            r'src=\'(https?://www\.tumblr\.com/video/[^\']+)\'',
+            webpage, 'iframe url')
+        iframe = self._download_webpage(iframe_url, video_id)
+        video_url = self._search_regex(r'<source src="([^"]+)"',
+            iframe, 'video url')
 
         # The only place where you can get a title, it's not complete,
         # but searching in other places doesn't work for all videos
@@ -63,8 +54,8 @@ class TumblrIE(InfoExtractor):
         return {
             'id': video_id,
             'url': video_url,
+            'ext': 'mp4',
             'title': video_title,
-             'description': self._html_search_meta('description', webpage),
-             'thumbnail': video_thumbnail,
-             'ext': ext,
+            'description': self._og_search_description(webpage),
+            'thumbnail': self._og_search_thumbnail(webpage),
         }