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import uuid
from django.db import models
class BaseModel(models.Model):
"""
Abstract base model that uses a UUID for its primary key instead of an integer.
"""
id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
class Meta:
abstract = True
class TimeStampedModel(BaseModel):
"""
Abstract base model that adds self-updating created_at and updated_at fields.
"""
created_at = models.DateTimeField(auto_now_add=True)
updated_at = models.DateTimeField(auto_now=True)
class Meta:
abstract = True