ImageField / FileField Django form Currently unable to trim the path to filename

Question

I have a ImageField that stores in AWS S3 (similar to FileField). In the form, it has this \"Currently\" label that shows the image file path. I would like to trim and just show

Answer 1

In Django 1.11.x get_template_substitution_values is deprecated. New implementation of CustomClearableFileInput could be as follow:

class CustomClearableFileInput(ClearableFileInput):
    def get_context(self, name, value, attrs):
        value.name = path.basename(value.name)
        context = super().get_context(name, value, attrs)       
        return context