From 3c897e392c2213ca835388ed2fe3e9cc059850a9 Mon Sep 17 00:00:00 2001
From: Christian Pedersen <chripede@gmail.com>
Date: Mon, 10 Aug 2015 10:34:32 +0200
Subject: [PATCH 1/3] Dummy cache

---
 redis_cache/backends/dummy.py | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 redis_cache/backends/dummy.py

diff --git a/redis_cache/backends/dummy.py b/redis_cache/backends/dummy.py
new file mode 100644
index 00000000..991d7934
--- /dev/null
+++ b/redis_cache/backends/dummy.py
@@ -0,0 +1,24 @@
+from django.core.cache.backends.dummy import DummyCache
+
+
+class RedisDummyCache(DummyCache):
+    def ttl(self, key):
+        return 0
+
+    def delete_pattern(self, pattern, version=None):
+        raise NotImplementedError
+
+    def get_or_set(self, key, func, timeout=None):
+        if not callable(func):
+            raise Exception("Must pass in a callable")
+
+        return func()
+
+    def reinsert_keys(self):
+        raise NotImplementedError
+
+    def persist(self, key):
+        return True
+
+    def expire(self, key, timeout):
+        return True

From ce24c7a442e986db2db00615477a7d65797a9b75 Mon Sep 17 00:00:00 2001
From: Christian Pedersen <chripede@gmail.com>
Date: Mon, 10 Aug 2015 10:34:58 +0200
Subject: [PATCH 2/3] Include Dummy cache in init

---
 redis_cache/__init__.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/redis_cache/__init__.py b/redis_cache/__init__.py
index 5b9a18e9..fb73f2b6 100644
--- a/redis_cache/__init__.py
+++ b/redis_cache/__init__.py
@@ -1,2 +1,3 @@
 from redis_cache.backends.single import RedisCache
 from redis_cache.backends.multiple import ShardedRedisCache
+from redis_cache.backends.dummy import RedisDummyCache

From a15b2539a1b1995eb320a6e79ed0ab89a51e4592 Mon Sep 17 00:00:00 2001
From: Christian Pedersen <chripede@gmail.com>
Date: Mon, 10 Aug 2015 21:27:17 +0200
Subject: [PATCH 3/3] Return None

---
 redis_cache/backends/dummy.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/redis_cache/backends/dummy.py b/redis_cache/backends/dummy.py
index 991d7934..d307cf46 100644
--- a/redis_cache/backends/dummy.py
+++ b/redis_cache/backends/dummy.py
@@ -6,7 +6,7 @@ def ttl(self, key):
         return 0
 
     def delete_pattern(self, pattern, version=None):
-        raise NotImplementedError
+        return None
 
     def get_or_set(self, key, func, timeout=None):
         if not callable(func):
@@ -15,7 +15,7 @@ def get_or_set(self, key, func, timeout=None):
         return func()
 
     def reinsert_keys(self):
-        raise NotImplementedError
+        return None
 
     def persist(self, key):
         return True