[ruhd] Simplify

youtube_dl/extractor/ruhd.py

@@ -1,8 +1,6 @@
 # -*- coding: utf-8 -*-
 from __future__ import unicode_literals
 
-import re
-
 from .common import InfoExtractor
 
 
@@ -21,19 +19,20 @@ class RUHDIE(InfoExtractor):
     }
 
     def _real_extract(self, url):
-        mobj = re.match(self._VALID_URL, url)
-        video_id = mobj.group('id')
-
+        video_id = self._match_id(url)
         webpage = self._download_webpage(url, video_id)
 
         video_url = self._html_search_regex(
             r'<param name="src" value="([^"]+)"', webpage, 'video url')
         title = self._html_search_regex(
-            r'<title>([^<]+)&nbsp;&nbsp; RUHD.ru - Видео Высокого качества №1 в России!</title>', webpage, 'title')
+            r'<title>([^<]+)&nbsp;&nbsp; RUHD.ru - Видео Высокого качества №1 в России!</title>',
+            webpage, 'title')
         description = self._html_search_regex(
-            r'(?s)<div id="longdesc">(.+?)<span id="showlink">', webpage, 'description', fatal=False)
+            r'(?s)<div id="longdesc">(.+?)<span id="showlink">',
+            webpage, 'description', fatal=False)
         thumbnail = self._html_search_regex(
-            r'<param name="previewImage" value="([^"]+)"', webpage, 'thumbnail', fatal=False)
+            r'<param name="previewImage" value="([^"]+)"',
+            webpage, 'thumbnail', fatal=False)
         if thumbnail:
             thumbnail = 'http://www.ruhd.ru' + thumbnail