AuditedModel.py

from django.conf import settings
from django.db import model

class AuditedModel(models.Model):
    created = models.DateTimeFIeld(auto_now_add=True)
    created_by = models.ForeignKey(settings.AUTH_USER_MODEL)
    updated = models.DateTimeField(auto_now=True)
    updated_by = models.ForeignKey(settings.AUTH_USER_MODEL)

    def save(self, *args, **kwargs):
        # here set the users using the middleware function to get
        # the current request or user, and call the parent's save()
    
    class Meta:
        abstract = True
        
        
# Then in your models:
class Person(AuditedModel):
  name = models.CharField(max_length=40)