[mtv] fix mtv.com and more(?)

youtube_dlc/utils.py

@@ -1984,6 +1984,7 @@ def get_elements_by_attribute(attribute, value, html, escape_value=True):
 
 class HTMLAttributeParser(compat_HTMLParser):
     """Trivial HTML parser to gather the attributes for a single element"""
+
     def __init__(self):
         self.attrs = {}
         compat_HTMLParser.__init__(self)
@@ -2378,6 +2379,7 @@ class GeoRestrictedError(ExtractorError):
     This exception may be thrown when a video is not available from your
     geographic location due to geographic restrictions imposed by a website.
     """
+
     def __init__(self, msg, countries=None):
         super(GeoRestrictedError, self).__init__(msg, expected=True)
         self.msg = msg
@@ -3558,6 +3560,11 @@ def remove_quotes(s):
     return s
 
 
+def get_domain(url):
+    domain = re.match(r'(?:https?:\/\/)?(?:www\.)?(?P<domain>[^\n\/]+\.[^\n\/]+)(?:\/(.*))?', url)
+    return domain.group('domain') if domain else None
+
+
 def url_basename(url):
     path = compat_urlparse.urlparse(url).path
     return path.strip('/').split('/')[-1]