Expanded on our settings wrapper to allow setting values as well; it …

…should now transparently wrap the Django settings object. Added tests for this behavior.

django_assets/conf/__init__.py

@@ -1,18 +1,29 @@
+from itertools import chain
 import default as default_settings
 from django.conf import settings as django_settings
 
+
 class WrappedSettings(object):
     """Wraps around the Django settings, falling back to our own
     default settings module.
     """
+    __slots__ = ('_live_settings', '_fallbacks',)
 
-    def __init__(self, *setting_objs):
-        self.setting_objs = setting_objs
+    def __init__(self, live_settings, *fallbacks):
+        self._live_settings = live_settings
+        self._fallbacks = fallbacks
 
     def __getattr__(self, name):
-        for settings in self.setting_objs:
+        for settings in chain([self._live_settings], self._fallbacks):
             if hasattr(settings, name):
                 return getattr(settings, name)
         raise AttributeError()
 
+    def __setattr__(self, name, value):
+        if name in self.__slots__:
+            object.__setattr__(self, name, value)
+        else:
+            setattr(self._live_settings, name, value)
+
+
 settings = WrappedSettings(django_settings, default_settings)

test/test_conf.py

@@ -0,0 +1,24 @@
+from django_assets import conf as assets_conf
+from django import conf as django_conf
+
+
+def test_read():
+    """Test that we can read Django's own config values from our
+    own settings object.
+    """
+    django_conf.settings.TOP_SECRET = 1234
+    assert assets_conf.settings.TOP_SECRET == 1234
+
+    # Test a again, to make sure that the settings object didn't
+    # just copy the data once on initialization.
+    django_conf.settings.TOP_SECRET = 'helloworld'
+    assert assets_conf.settings.TOP_SECRET == 'helloworld'
+
+
+def test_write():
+    """Test that changing a value to our configuration also updates
+    the original Django settings object.
+    """
+    assert not getattr(django_conf.settings, 'FOOBAR', None) == 1234
+    assets_conf.settings.FOOBAR = 1234
+    assert django_conf.settings.FOOBAR == 1234