[jeuxvideo] Improve code quality (fixes #1567)

youtube_dl/extractor/jeuxvideo.py

@@ -6,6 +6,7 @@ import xml.etree.ElementTree
 
 from .common import InfoExtractor
 
+
 class JeuxVideoIE(InfoExtractor):
     _VALID_URL = r'http://.*?\.jeuxvideo\.com/.*/(.*?)-\d+\.htm'
 
@@ -23,25 +24,29 @@ class JeuxVideoIE(InfoExtractor):
         mobj = re.match(self._VALID_URL, url)
         title = re.match(self._VALID_URL, url).group(1)
         webpage = self._download_webpage(url, title)
-        m_download = re.search(r'<param name="flashvars" value="config=(.*?)" />', webpage)
-
-        xml_link = m_download.group(1)
+        xml_link = self._html_search_regex(
+            r'<param name="flashvars" value="config=(.*?)" />',
+            webpage, u'config URL')
         
-        id = re.search(r'http://www.jeuxvideo.com/config/\w+/0011/(.*?)/\d+_player\.xml', xml_link).group(1)
+        video_id = self._search_regex(
+            r'http://www\.jeuxvideo\.com/config/\w+/\d+/(.*?)/\d+_player\.xml',
+            xml_link, u'video ID')
 
-        xml_config = self._download_webpage(xml_link, title,
-                                                  'Downloading XML config')
+        xml_config = self._download_webpage(
+            xml_link, title, u'Downloading XML config')
         config = xml.etree.ElementTree.fromstring(xml_config.encode('utf-8'))
-        info = re.search(r'<format\.json>(.*?)</format\.json>',
-                         xml_config, re.MULTILINE|re.DOTALL).group(1)
-        info = json.loads(info)['versions'][0]
+        info_json = self._search_regex(
+            r'(?sm)<format\.json>(.*?)</format\.json>',
+            xml_config, u'JSON information')
+        info = json.loads(info_json)['versions'][0]
         
         video_url = 'http://video720.jeuxvideo.com/' + info['file']
 
-        return {'id': id,
-                'title' : config.find('titre_video').text,
-                'ext' : 'mp4',
-                'url' : video_url,
-                'description': self._og_search_description(webpage),
-                'thumbnail': config.find('image').text,
-                }
+        return {
+            'id': video_id,
+            'title': config.find('titre_video').text,
+            'ext': 'mp4',
+            'url': video_url,
+            'description': self._og_search_description(webpage),
+            'thumbnail': config.find('image').text,
+        }