+
−import tempfile
+
−from django.db import models
+
−
+
−class Photo(models.Model):
+
−    title = models.CharField(maxlength=30)
+
−    image = models.FileField(upload_to=tempfile.gettempdir())
+
−    
+
−    # Support code for the tests; this keeps track of how many times save() gets
+
−    # called on each instance.
+
−    def __init__(self, *args, **kwargs):
+
−       super(Photo, self).__init__(*args, **kwargs)
+
−       self._savecount = 0
+
−    
+
−    def save(self):
+
−        super(Photo, self).save()
+
−        self._savecount +=1