Merge pull request #233 from dalf/master

[fix] kickass engine

searx/engines/kickass.py

 paging = True
 
 # search-url
-url = 'https://kickass.so/'
+url = 'https://kickass.to/'
 search_url = url + 'search/{search_term}/{pageno}/'
 
 # specific xpath variables
 def response(resp):
     results = []
 
+    # check if redirect comparing to the True value,
+    # because resp can be a Mock object, and any attribut name returns something.
+    if resp.is_redirect is True:
+        return results
+
     dom = html.fromstring(resp.text)
 
     search_res = dom.xpath('//table[@class="data"]//tr')

searx/tests/engines/test_kickass.py

         params = kickass.request(query, dicto)
         self.assertIn('url', params)
         self.assertIn(query, params['url'])
-        self.assertIn('kickass.so', params['url'])
+        self.assertIn('kickass.to', params['url'])
         self.assertIn('verify', params)
         self.assertFalse(params['verify'])
 
         self.assertEqual(type(results), list)
         self.assertEqual(len(results), 1)
         self.assertEqual(results[0]['title'], 'This should be the title')
-        self.assertEqual(results[0]['url'], 'https://kickass.so/url.html')
+        self.assertEqual(results[0]['url'], 'https://kickass.to/url.html')
         self.assertEqual(results[0]['content'], 'Posted by riri in Other > Unsorted')
         self.assertEqual(results[0]['seed'], 10)
         self.assertEqual(results[0]['leech'], 1)
         self.assertEqual(type(results), list)
         self.assertEqual(len(results), 5)
         self.assertEqual(results[0]['title'], 'This should be the title')
-        self.assertEqual(results[0]['url'], 'https://kickass.so/url.html')
+        self.assertEqual(results[0]['url'], 'https://kickass.to/url.html')
         self.assertEqual(results[0]['content'], 'Posted by riri in Other > Unsorted')
         self.assertEqual(results[0]['seed'], 10)
         self.assertEqual(results[0]['leech'], 1)