Improve structure

functions.py

@@ -0,0 +1,17 @@
+from dbsettings.models import Setting
+
+def getValue(key, default=None):
+    try:
+        return Setting.objects.get(key=key).value
+    except:
+        if default is None:
+            raise KeyError("No such setting: %s" % key)
+        else:
+            return default
+
+def setValue(key, value):
+    obj = Setting.objects.get_or_create(key=key)[0] # pylint: disable=E1101
+    obj.value = value
+    obj.save()
+    return True
+