= CookBook - Validate an image weight = django version : 0.91 To check the weight an image uploaded via your form, you can implement this method into your view.py or custom manipulator. == Code == Here we check that the image under 100 kb. {{{ def isValideSize(field_data, all_data): if len(field_data["content"]) > 100000: # 100,000 bytes raise validators.ValidationError, "File is too large" }}}