[videopremium] Modernize

youtube_dl/extractor/videopremium.py

@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 import re
 import random
 
@@ -5,23 +7,22 @@ from .common import InfoExtractor
 
 
 class VideoPremiumIE(InfoExtractor):
-    _VALID_URL = r'(?:https?://)?(?:www\.)?videopremium\.(?:tv|me)/(?P<id>\w+)(?:/.*)?'
+    _VALID_URL = r'https?://(?:www\.)?videopremium\.(?:tv|me)/(?P<id>\w+)(?:/.*)?'
     _TEST = {
-        u'url': u'http://videopremium.tv/4w7oadjsf156',
-        u'file': u'4w7oadjsf156.f4v',
-        u'info_dict': {
-            u"title": u"youtube-dl_test_video____a_________-BaW_jenozKc.mp4.mp4"
+        'url': 'http://videopremium.tv/4w7oadjsf156',
+        'info_dict': {
+            'id': '4w7oadjsf156',
+            'ext': 'f4v',
+            'title': 'youtube-dl_test_video____a_________-BaW_jenozKc.mp4.mp4'
         },
-        u'params': {
-            u'skip_download': True,
+        'params': {
+            'skip_download': True,
         },
-        u'skip': u'Test file has been deleted.',
+        'skip': 'Test file has been deleted.',
     }
 
     def _real_extract(self, url):
-        mobj = re.match(self._VALID_URL, url)
-
-        video_id = mobj.group('id')
+        video_id = self._match_id(url)
         webpage_url = 'http://videopremium.tv/' + video_id
         webpage = self._download_webpage(webpage_url, video_id)
 
@@ -29,10 +30,10 @@ class VideoPremiumIE(InfoExtractor):
             # Download again, we need a cookie
             webpage = self._download_webpage(
                 webpage_url, video_id,
-                note=u'Downloading webpage again (with cookie)')
+                note='Downloading webpage again (with cookie)')
 
         video_title = self._html_search_regex(
-            r'<h2(?:.*?)>\s*(.+?)\s*<', webpage, u'video title')
+            r'<h2(?:.*?)>\s*(.+?)\s*<', webpage, 'video title')
 
         return {
             'id': video_id,