from django.db import models class ThingItem(object): def __init__(self, value, display): self.value = value self.display = display def __iter__(self): return (x for x in [self.value, self.display]) def __len__(self): return 2 class Things(object): def __iter__(self): return (x for x in [ThingItem(1, 2), ThingItem(3, 4)]) class ThingWithIterableChoices(models.Model): # Testing choices= Iterable of Iterables # See: https://code.djangoproject.com/ticket/20430 thing = models.CharField(max_length=100, blank=True, choices=Things()) class Meta: # Models created as unmanaged as these aren't ever queried managed = False class ManyToManyRel(models.Model): thing1 = models.ManyToManyField(ThingWithIterableChoices, related_name='+') thing2 = models.ManyToManyField(ThingWithIterableChoices, related_name='+') class Meta: # Models created as unmanaged as these aren't ever queried managed = False class FKRel(models.Model): thing1 = models.ForeignKey(ThingWithIterableChoices, related_name='+') thing2 = models.ForeignKey(ThingWithIterableChoices, related_name='+') class Meta: # Models created as unmanaged as these aren't ever queried managed = False