Add costum url suport for ExtraTorrent

sickbeard/providers/extratorrent.py

-# coding=utf-8
 # Author: duramato <matigonkas@outlook.com>
 # Author: miigotu
 # URL: https://github.com/SickRage/sickrage
@@ -26,7 +25,7 @@ from sickbeard import logger
 from sickbeard import tvcache
 from sickbeard.common import USER_AGENT
 from sickrage.helper.common import try_int
-from sickrage.providers.torrent.TorrentProvider import TorrentProvider
+from sickrage.providers.TorrentProvider import TorrentProvider
 
 
 class ExtraTorrentProvider(TorrentProvider):
@@ -44,6 +43,7 @@ class ExtraTorrentProvider(TorrentProvider):
         self.ratio = None
         self.minseed = None
         self.minleech = None
+        self.custom_url = None
 
         self.cache = ExtraTorrentCache(self)
         self.headers.update({'User-Agent': USER_AGENT})
@@ -63,6 +63,10 @@ class ExtraTorrentProvider(TorrentProvider):
 
                 try:
                     self.search_params.update({'type': ('search', 'rss')[mode == 'RSS'], 'search': search_string})
+                    if self.custom_url:
+                        url = self.custom_url + '/rss.xml'
+                        data = self.get_url(url, params=self.search_params)
+                    else:
                         data = self.get_url(self.urls['rss'], params=self.search_params)
                     if not data:
                         logger.log(u"No data returned from provider", logger.DEBUG)