Django - How to specify which field a validation fails on?

Question

I have this model I\'m showing in the admin page:

class Dog(models.Model):
    bark_volume = models.DecimalField(...
    unladen_speed = models.DecimalField(...
         


        

Answer 1

To note for anyone that may come across this with a newer version of Django - the clean_fields method from the accepted answer now requires an "exclude" param. Also - I believe the accepted answer is also missing a call to it's super function. The final code that I used was:

def clean_fields(self, exclude=None):
    super(Model, self).clean_fields(exclude)

    if self.field_name and not self.field_name_required:
        raise ValidationError({'field_name_required':["You selected a field, so field_name_required is required"]})