In some older group post I found a nice django-based solution: Using a customized ImageField instance:
class MyImageField(ImageField): def __init__(self, *args, **kwargs): super(MyImageField, self).__init__(*args, **kwargs) def clean(self, *args, **kwargs): data = super(MyImageField, self).clean(*args, **kwargs) data.name = slugify_name(data.name) return data
signature.asc
Description: OpenPGP digital signature