# HG changeset patch
# User Peter Sanchez <petersanchez@gmail.com>
# Date 1318020278 25200
#      Fri Oct 07 13:44:38 2011 -0700
# Node ID e12e119ce5af5079c6cfa173afd932850403dc69
# Parent  be251264059bd0c01bfaa615d387b8887487cf89
Added signals for stored and processed callbacks

diff --git a/callback/callback.py b/callback/callback.py
--- a/callback/callback.py
+++ b/callback/callback.py
@@ -1,6 +1,7 @@
 from django.db import models
 from models import CallbackMap
 from base import CallbackException, CallbackBase
+from signals import stored_callback, processed_callback
 
 REQUIRED_METHODS = ('process',)
 
@@ -46,7 +47,13 @@
             model_instance.save()
 
         cls = self.get_callback_class(model_instance)
-        return CallbackMap.objects.store_callback(model_instance)
+        callback_instance = CallbackMap.objects.store_callback(model_instance)
+        stored_callback.send(
+            sender=self,
+            callback_instance=callback_instance,
+            model_instance=model_instance,
+        )
+        return callback_instance
 
     def process_callback(self, callback_instance):
         model = callback_instance.content_object
@@ -54,6 +61,11 @@
         try:
             cls.process(model)
             callback_instance.mark_complete()
+            processed_callback.send(
+                sender=self,
+                callback_instance=callback_instance,
+                model_instance=model,
+            )
         except Exception, e:
             callback_instance.mark_error(str(e))
             raise CallbackException(str(e))
diff --git a/callback/signals.py b/callback/signals.py
new file mode 100644
--- /dev/null
+++ b/callback/signals.py
@@ -0,0 +1,10 @@
+from django import dispatch
+
+
+stored_callback = dispatch.Signal(
+    providing_args=['callback_instance', 'model_instance'],
+)
+
+processed_callback = dispatch.Signal(
+    providing_args=['callback_instance', 'model_instance'],
+)