add compatibility with redis-py new connection pool

redis_cache/cache.py

@@ -182,7 +182,7 @@ class CacheClass(BaseCache):
         """
         Disconnect from the cache.
         """
-        self._cache.connection.disconnect()
+        self._cache.connection_pool.disconnect()
 
 class RedisCache(CacheClass):
     """

setup.py

@@ -8,7 +8,7 @@ setup(
     version = "0.5.1",
     packages = ["redis_cache"],
     description = "Redis Cache Backend for Django",
-    install_requires=['redis',],
+    install_requires=['redis>=2.4.0',],
     classifiers = [
         "Programming Language :: Python",
         "Operating System :: OS Independent",

tests/testapp/tests.py

@@ -41,17 +41,17 @@ class RedisCacheTests(unittest.TestCase):
 
     def test_bad_db_initialization(self):
         self.cache = self.get_cache('redis_cache.cache://127.0.0.1:6379?db=not_a_number')
-        self.assertEqual(self.cache._cache.db, 1)
+        self.assertEqual(self.cache._cache.connection_pool.connection_kwargs['db'], 1)
 
     def test_bad_port_initialization(self):
         self.cache = self.get_cache('redis_cache.cache://127.0.0.1:not_a_number?db=15')
-        self.assertEqual(self.cache._cache.port, 6379)
+        self.assertEqual(self.cache._cache.connection_pool.connection_kwargs['port'], 6379)
 
     def test_default_initialization(self):
         self.cache = self.get_cache('redis_cache.cache://127.0.0.1')
-        self.assertEqual(self.cache._cache.host, '127.0.0.1')
-        self.assertEqual(self.cache._cache.db, 1)
-        self.assertEqual(self.cache._cache.port, 6379)
+        self.assertEqual(self.cache._cache.connection_pool.connection_kwargs['host'], '127.0.0.1')
+        self.assertEqual(self.cache._cache.connection_pool.connection_kwargs['db'], 1)
+        self.assertEqual(self.cache._cache.connection_pool.connection_kwargs['port'], 6379)
 
     def test_simple(self):
         # Simple cache set/get works