Ticket #4478: pil_validator_fix.patch

django/core/validators.py

@@ -175 +175 @@
         raise ValidationError, gettext("No file was submitted. Check the encoding type on the form.")
     try:
         Image.open(StringIO(content))
-    except IOError: # Python Imaging Library doesn't recognize it as an image
+    except IOError, OverflowError: # Python Imaging Library doesn't recognize it as an image
+        # OverflowError is due to a bug in PIL with Python 2.4+ which can cause
+        # it to gag on OLE files.
         raise ValidationError, gettext("Upload a valid image. The file you uploaded was either not an image or a corrupted image.")
 
 def isValidImageURL(field_data, all_data):