How can you create a non-empty CharField in Django?

Question

I have a simple model which looks like this:

class Group(models.Model):
    name = models.CharField(max_length = 100, blank=False)

I would

Answer 1

I spent a long time looking for the best solution for this simple (and old) problem, And as of Django 2.2, there is actually a really simple answer, so I'll write it here in case someone still encounters the same problem:

Since Django 2.2, we can define CheckConstraints, so it's easy to define a non-empty string constraint:

from django.db import models

class Article(models.Model):
   title = models.CharField(max_length=32)

    class Meta:
        constraints = [
            models.CheckConstraint(check=~models.Q(title=""), name="non_empty_title")
        ]