class Meta:
model = NullValidatingModel
fields = '__all__'
validators = [
UniqueTogetherValidator(queryset=NullValidatingModel.objects,
fields=('name', 'code'))
]
def get_unique_together_validators(self):
model = self.Meta.model
validators = []
field_names = set(self.get_field_names(self._declared_fields, self.field_info))
uniq_indexes = filter(lambda i: i.get('unique', False), model._meta.get('index_specs', []))
for idx in uniq_indexes:
if not idx.get('unique', False):
continue
field_set = tuple(map(lambda e: e[0], idx['fields']))
if len(field_set) > 1 and field_names.issuperset(set(field_set)):
validators.append(UniqueTogetherValidator(
queryset=model.objects,
fields=field_set
))
return validators
class Meta:
model = NonValidatingModel
validators = [
UniqueTogetherValidator(queryset=NonValidatingModel.objects,
fields=('name', 'code'))
]