[ustream] Simplify and use unicode_literals

youtube_dl/extractor/ustream.py

@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 import json
 import re
 
@@ -10,48 +12,48 @@ from ..utils import (
 
 class UstreamIE(InfoExtractor):
     _VALID_URL = r'https?://www\.ustream\.tv/recorded/(?P<videoID>\d+)'
-    IE_NAME = u'ustream'
+    IE_NAME = 'ustream'
     _TEST = {
-        u'url': u'http://www.ustream.tv/recorded/20274954',
-        u'file': u'20274954.flv',
-        u'md5': u'088f151799e8f572f84eb62f17d73e5c',
-        u'info_dict': {
-            u"uploader": u"Young Americans for Liberty", 
-            u"title": u"Young Americans for Liberty February 7, 2012 2:28 AM"
-        }
+        'url': 'http://www.ustream.tv/recorded/20274954',
+        'file': '20274954.flv',
+        'md5': '088f151799e8f572f84eb62f17d73e5c',
+        'info_dict': {
+            "uploader": "Young Americans for Liberty",
+            "title": "Young Americans for Liberty February 7, 2012 2:28 AM",
+        },
     }
 
     def _real_extract(self, url):
         m = re.match(self._VALID_URL, url)
         video_id = m.group('videoID')
 
-        video_url = u'http://tcdn.ustream.tv/video/%s' % video_id
+        video_url = 'http://tcdn.ustream.tv/video/%s' % video_id
         webpage = self._download_webpage(url, video_id)
 
         self.report_extraction(video_id)
 
         video_title = self._html_search_regex(r'data-title="(?P<title>.+)"',
-            webpage, u'title')
+            webpage, 'title')
 
         uploader = self._html_search_regex(r'data-content-type="channel".*?>(?P<uploader>.*?)</a>',
-            webpage, u'uploader', fatal=False, flags=re.DOTALL)
+            webpage, 'uploader', fatal=False, flags=re.DOTALL)
 
         thumbnail = self._html_search_regex(r'<link rel="image_src" href="(?P<thumb>.*?)"',
-            webpage, u'thumbnail', fatal=False)
-
-        info = {
-                'id': video_id,
-                'url': video_url,
-                'ext': 'flv',
-                'title': video_title,
-                'uploader': uploader,
-                'thumbnail': thumbnail,
-               }
-        return info
+            webpage, 'thumbnail', fatal=False)
+
+        return {
+            'id': video_id,
+            'url': video_url,
+            'ext': 'flv',
+            'title': video_title,
+            'uploader': uploader,
+            'thumbnail': thumbnail,
+        }
+
 
 class UstreamChannelIE(InfoExtractor):
     _VALID_URL = r'https?://www\.ustream\.tv/channel/(?P<slug>.+)'
-    IE_NAME = u'ustream:channel'
+    IE_NAME = 'ustream:channel'
 
     def _real_extract(self, url):
         m = re.match(self._VALID_URL, url)