[cnn] Improve regexes and fix test

youtube_dl/extractor/cnn.py

@@ -11,14 +11,14 @@ from ..utils import (
 
 
 class CNNIE(InfoExtractor):
-    _VALID_URL = r'''(?x)https?://((edition|www)\.)?cnn\.com/video/(data/.+?|\?)/
-        (?P<path>.+?/(?P<title>[^/]+?)(?:\.cnn(-ap)?|(?=&)))'''
+    _VALID_URL = r'''(?x)https?://(?:(?:edition|www)\.)?cnn\.com/video/(?:data/.+?|\?)/
+        (?P<path>.+?/(?P<title>[^/]+?)(?:\.cnn(?:-ap)?|(?=&)))'''
 
     _TESTS = [{
         'url': 'http://edition.cnn.com/video/?/video/sports/2013/06/09/nadal-1-on-1.cnn',
         'md5': '3e6121ea48df7e2259fe73a0628605c4',
         'info_dict': {
-            'id': 'sports_2013_06_09_nadal-1-on-1.cnn',
+            'id': 'sports/2013/06/09/nadal-1-on-1.cnn',
             'ext': 'mp4',
             'title': 'Nadal wins 8th French Open title',
             'description': 'World Sport\'s Amanda Davies chats with 2013 French Open champion Rafael Nadal.',
@@ -130,7 +130,7 @@ class CNNBlogsIE(InfoExtractor):
 
 
 class CNNArticleIE(InfoExtractor):
-    _VALID_URL = r'https?://((edition|www)\.)?cnn\.com/(?!video/)'
+    _VALID_URL = r'https?://(?:(?:edition|www)\.)?cnn\.com/(?!video/)'
     _TEST = {
         'url': 'http://www.cnn.com/2014/12/21/politics/obama-north-koreas-hack-not-war-but-cyber-vandalism/',
         'md5': '275b326f85d80dff7592a9820f5dc887',
@@ -149,6 +149,6 @@ class CNNArticleIE(InfoExtractor):
         cnn_url = self._html_search_regex(r"video:\s*'([^']+)'", webpage, 'cnn url')
         return {
             '_type': 'url',
-            'url': r'http://cnn.com/video/?/video/' + cnn_url,
+            'url': 'http://cnn.com/video/?/video/' + cnn_url,
             'ie_key': CNNIE.ie_key(),
         }