diff -r 5ff1fc726848 -r c6bca38c1cbf parts/django/tests/regressiontests/bug639/models.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/parts/django/tests/regressiontests/bug639/models.py	Sat Jan 08 11:20:57 2011 +0530
@@ -0,0 +1,26 @@
+import tempfile
+
+from django.db import models
+from django.core.files.storage import FileSystemStorage
+from django.forms import ModelForm
+
+temp_storage_dir = tempfile.mkdtemp()
+temp_storage = FileSystemStorage(temp_storage_dir)
+
+class Photo(models.Model):
+    title = models.CharField(max_length=30)
+    image = models.FileField(storage=temp_storage, upload_to='tests')
+
+    # 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, force_insert=False, force_update=False):
+        super(Photo, self).save(force_insert, force_update)
+        self._savecount += 1
+
+class PhotoForm(ModelForm):
+    class Meta:
+        model = Photo