--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/parts/django/tests/modeltests/save_delete_hooks/models.py	Sat Jan 08 11:20:57 2011 +0530
@@ -0,0 +1,32 @@
+"""
+13. Adding hooks before/after saving and deleting
+
+To execute arbitrary code around ``save()`` and ``delete()``, just subclass
+the methods.
+"""
+
+from django.db import models
+
+
+class Person(models.Model):
+    first_name = models.CharField(max_length=20)
+    last_name = models.CharField(max_length=20)
+
+    def __init__(self, *args, **kwargs):
+        super(Person, self).__init__(*args, **kwargs)
+        self.data = []
+
+    def __unicode__(self):
+        return u"%s %s" % (self.first_name, self.last_name)
+
+    def save(self, *args, **kwargs):
+        self.data.append("Before save")
+         # Call the "real" save() method
+        super(Person, self).save(*args, **kwargs)
+        self.data.append("After save")
+
+    def delete(self):
+        self.data.append("Before deletion")
+        # Call the "real" delete() method
+        super(Person, self).delete()
+        self.data.append("After deletion")