[nhl] Modernize

youtube_dl/extractor/nhl.py

@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 import re
 import json
 
@@ -25,8 +27,8 @@ class NHLBaseInfoExtractor(InfoExtractor):
             'path': initial_video_url.replace('.mp4', '_sd.mp4'),
         })
         path_url = 'http://video.nhl.com/videocenter/servlets/encryptvideopath?' + data
-        path_doc = self._download_xml(path_url, video_id,
-            u'Downloading final video url')
+        path_doc = self._download_xml(
+            path_url, video_id, 'Downloading final video url')
         video_url = path_doc.find('path').text
 
         join = compat_urlparse.urljoin
@@ -43,17 +45,18 @@ class NHLBaseInfoExtractor(InfoExtractor):
 
 
 class NHLIE(NHLBaseInfoExtractor):
-    IE_NAME = u'nhl.com'
+    IE_NAME = 'nhl.com'
     _VALID_URL = r'https?://video(?P<team>\.[^.]*)?\.nhl\.com/videocenter/console\?.*?(?<=[?&])id=(?P<id>\d+)'
 
     _TEST = {
-        u'url': u'http://video.canucks.nhl.com/videocenter/console?catid=6?id=453614',
-        u'file': u'453614.mp4',
-        u'info_dict': {
-            u'title': u'Quick clip: Weise 4-3 goal vs Flames',
-            u'description': u'Dale Weise scores his first of the season to put the Canucks up 4-3.',
-            u'duration': 18,
-            u'upload_date': u'20131006',
+        'url': 'http://video.canucks.nhl.com/videocenter/console?catid=6?id=453614',
+        'info_dict': {
+            'id': '453614',
+            'ext': 'mp4',
+            'title': 'Quick clip: Weise 4-3 goal vs Flames',
+            'description': 'Dale Weise scores his first of the season to put the Canucks up 4-3.',
+            'duration': 18,
+            'upload_date': '20131006',
         },
     }
 
@@ -61,23 +64,23 @@ class NHLIE(NHLBaseInfoExtractor):
         mobj = re.match(self._VALID_URL, url)
         video_id = mobj.group('id')
         json_url = 'http://video.nhl.com/videocenter/servlets/playlist?ids=%s&format=json' % video_id
-        info_json = self._download_webpage(json_url, video_id,
-            u'Downloading info json')
-        info_json = self._fix_json(info_json)
-        info = json.loads(info_json)[0]
-        return self._extract_video(info)
+        data = self._download_json(
+            json_url, video_id, transform_source=self._fix_json)
+        return self._extract_video(data[0])
 
 
 class NHLVideocenterIE(NHLBaseInfoExtractor):
-    IE_NAME = u'nhl.com:videocenter'
-    IE_DESC = u'NHL videocenter category'
+    IE_NAME = 'nhl.com:videocenter'
+    IE_DESC = 'NHL videocenter category'
     _VALID_URL = r'https?://video\.(?P<team>[^.]*)\.nhl\.com/videocenter/(console\?.*?catid=(?P<catid>[^&]+))?'
-
-    @classmethod
-    def suitable(cls, url):
-        if NHLIE.suitable(url):
-            return False
-        return super(NHLVideocenterIE, cls).suitable(url)
+    _TEST = {
+        'url': 'http://video.canucks.nhl.com/videocenter/console?catid=999',
+        'info_dict': {
+            'id': '999',
+            'title': 'Highlights',
+        },
+        'playlist_count': 12,
+    }
 
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
@@ -86,10 +89,10 @@ class NHLVideocenterIE(NHLBaseInfoExtractor):
         cat_id = self._search_regex(
             [r'var defaultCatId = "(.+?)";',
              r'{statusIndex:0,index:0,.*?id:(.*?),'],
-            webpage, u'category id')
+            webpage, 'category id')
         playlist_title = self._html_search_regex(
             r'tab0"[^>]*?>(.*?)</td>',
-            webpage, u'playlist title', flags=re.DOTALL).lower().capitalize()
+            webpage, 'playlist title', flags=re.DOTALL).lower().capitalize()
 
         data = compat_urllib_parse.urlencode({
             'cid': cat_id,
@@ -104,7 +107,7 @@ class NHLVideocenterIE(NHLBaseInfoExtractor):
         response = self._fix_json(response)
         if not response.strip():
             self._downloader.report_warning(u'Got an empty reponse, trying '
-                                            u'adding the "newvideos" parameter')
+                                            'adding the "newvideos" parameter')
             response = self._download_webpage(request_url + '&newvideos=true',
                 playlist_title)
             response = self._fix_json(response)
@@ -114,5 +117,5 @@ class NHLVideocenterIE(NHLBaseInfoExtractor):
             '_type': 'playlist',
             'title': playlist_title,
             'id': cat_id,
-            'entries': [self._extract_video(i) for i in videos],
+            'entries': [self._extract_video(v) for v in videos],
         }