How to limit the maximum value of a numeric field in a Django model?

Question

Django has various numeric fields available for use in models, e.g. DecimalField and PositiveIntegerField. Although the former can be restricted to the number of decimal pla

Answer 1

from django.db import models
from django.core.validators import MinValueValidator, MaxValueValidator

size = models.IntegerField(validators=[MinValueValidator(0),
                                       MaxValueValidator(5)])