[howcast] Modernize

diff --git a/youtube_dl/extractor/howcast.py b/youtube_dl/extractor/howcast.py
index bafc5826f680353af40b820609a543192ac73d17..6ae04782c1aabb27ee6973819810f1e6f763b8b0 100644 (file)
--- a/youtube_dl/extractor/howcast.py
+++ b/youtube_dl/extractor/howcast.py
@@ -1,17 +1,20 @@
+from __future__ import unicode_literals
+
 import re
 
 from .common import InfoExtractor
 
 
 class HowcastIE(InfoExtractor):
-    _VALID_URL = r'(?:https?://)?(?:www\.)?howcast\.com/videos/(?P<id>\d+)'
+    _VALID_URL = r'https?://(?:www\.)?howcast\.com/videos/(?P<id>\d+)'
     _TEST = {
-        u'url': u'http://www.howcast.com/videos/390161-How-to-Tie-a-Square-Knot-Properly',
-        u'file': u'390161.mp4',
-        u'md5': u'8b743df908c42f60cf6496586c7f12c3',
-        u'info_dict': {
-            u"description": u"The square knot, also known as the reef knot, is one of the oldest, most basic knots to tie, and can be used in many different ways. Here's the proper way to tie a square knot.", 
-            u"title": u"How to Tie a Square Knot Properly"
+        'url': 'http://www.howcast.com/videos/390161-How-to-Tie-a-Square-Knot-Properly',
+        'md5': '8b743df908c42f60cf6496586c7f12c3',
+        'info_dict': {
+            'id': '390161',
+            'ext': 'mp4',
+            'description': 'The square knot, also known as the reef knot, is one of the oldest, most basic knots to tie, and can be used in many different ways. Here\'s the proper way to tie a square knot.', 
+            'title': 'How to Tie a Square Knot Properly',
         }
     }
 
@@ -24,22 +27,15 @@ class HowcastIE(InfoExtractor):
         self.report_extraction(video_id)
 
         video_url = self._search_regex(r'\'?file\'?: "(http://mobile-media\.howcast\.com/[0-9]+\.mp4)',
-            webpage, u'video URL')
-
-        video_title = self._html_search_regex(r'<meta content=(?:"([^"]+)"|\'([^\']+)\') property=\'og:title\'',
-            webpage, u'title')
+            webpage, 'video URL')
 
         video_description = self._html_search_regex(r'<meta content=(?:"([^"]+)"|\'([^\']+)\') name=\'description\'',
-            webpage, u'description', fatal=False)
+            webpage, 'description', fatal=False)
 
-        thumbnail = self._html_search_regex(r'<meta content=\'(.+?)\' property=\'og:image\'',
-            webpage, u'thumbnail', fatal=False)
-
-        return [{
-            'id':       video_id,
-            'url':      video_url,
-            'ext':      'mp4',
-            'title':    video_title,
+        return {
+            'id': video_id,
+            'url': video_url,
+            'title': self._og_search_title(webpage),
             'description': video_description,
-            'thumbnail': thumbnail,
-        }]
+            'thumbnail': self._og_search_thumbnail(webpage),
+        }