somebody know how to use instance method in the validator_list of a
field in model? I can't get the "self".
class Category(models.Model):
""" Inhert Category """
title_en = models.CharField(maxlength=256, null=True)
parent = models.ForeignKey('self', related_name="direct_children",
null=True, blank=True, validator_list=[self.isValidParent]) #
we want the instance method here
def isValidParent(self, field_data, all_data):
if field_data in self.children_ids()
raise validators.ValidationError("u can't set your children
as your parent, cause loop")
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