def class_prepared(self, cls):
class_ptr_name = cls.__name__.lower()
attrs = {
class_ptr_name: ReverseDictField(related_name=self.name, key=self.key_field_name, value=self.value_field_name),
self.key_field_name: self.key_field,
self.value_field_name: self.value_field,
}
self.dict_model = create_intermediate_model(cls, self.name, attrs, meta={
'unique_together': (class_ptr_name, self.value_field_name),
})
def create_list_model(cls, name, value_field, index='index', value='value', db_table=None, field_cls=ReverseListField):
class_ptr_name = cls.__name__.lower()
attrs = {
class_ptr_name: field_cls(get_model_ref(cls), related_name=name, index=index, value=value),
index: models.PositiveIntegerField(),
value: value_field,
}
meta = {
'unique_together': (class_ptr_name, index),
}
if db_table:
meta['db_table'] = db_table
return create_intermediate_model(cls, name, attrs, meta=meta)
