relax validation settings for DEBUG mode

secure_redis/serializer.py

@@ -1,12 +1,17 @@
 from __future__ import unicode_literals
 
 from cryptography.fernet import Fernet
+import logging
 
+import django.conf
 import django_redis.serializers.pickle
 
 import settings
 
 
+logger = logging.getLogger(__name__)
+
+
 class SecureSerializer(django_redis.serializers.pickle.PickleSerializer):
     def __init__(self, options):
         super(SecureSerializer, self).__init__(options)
@@ -22,4 +27,10 @@ def loads(self, value):
         val = self.crypter.decrypt(value)
         return super(SecureSerializer, self).loads(val)
 
-default_secure_serializer = SecureSerializer(settings.get_secure_cache_opts())
+
+opts = settings.secure_cache_options_settings
+if not opts and django.conf.settings.DEBUG:
+    default_secure_serializer = django_redis.serializers.pickle.PickleSerializer({})
+    logger.warn("Secure redis OPTIONS not defined, using pickle serializer for local")
+else:
+    default_secure_serializer = SecureSerializer(opts)

secure_redis/settings.py

@@ -1,20 +1,29 @@
 from __future__ import unicode_literals
 
+import logging
+
 from django.conf import settings
 from django.core.exceptions import ImproperlyConfigured
 
 
+logger = logging.getLogger(__name__)
+
+
 def get_secure_cache_opts():
     if hasattr(settings, 'DJANGO_REDIS_SECURE_CACHE_NAME'):
         cache_name = settings.DJANGO_REDIS_SECURE_CACHE_NAME
     else:
         cache_name = 'default'
 
-    secure_cache_options_settings = settings.CACHES[cache_name].get('OPTIONS')
+    secure_cache_options_settings = settings.CACHES[cache_name].get('OPTIONS', {})
     if not secure_cache_options_settings:
+        if not settings.DEBUG:
             raise ImproperlyConfigured(
                 'OPTIONS must be defined in settings in secure cache settings!')
-    if secure_cache_options_settings['SERIALIZER'] == 'secure_redis.serializer.SecureSerializer':
+        else:
+            logger.warn('OPTIONS must be defined in settings in secure cache settings!')
+
+    if secure_cache_options_settings.get('SERIALIZER') == 'secure_redis.serializer.SecureSerializer':
         return secure_cache_options_settings