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"""Models for test_natural.py"""
from django.db import models
class NaturalKeyAnchorManager(models.Manager):
def get_by_natural_key(self, data):
return self.get(data=data)
class NaturalKeyAnchor(models.Model):
objects = NaturalKeyAnchorManager()
data = models.CharField(max_length=100, unique=True)
title = models.CharField(max_length=100, null=True)
def natural_key(self):
return (self.data,)
class FKDataNaturalKey(models.Model):
data = models.ForeignKey(NaturalKeyAnchor, models.SET_NULL, null=True)
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