models.py 文件源码

def query_or(cls, query, *values_list, **annotations):
        pop_annotations = False
        if 'pop_annotations' in annotations:
            pop_annotations = annotations['pop_annotations']
            annotations.pop('pop_annotations')

        annotated_keys = annotations.values()
        annotations = {key: F(value) for key, value in annotations.items()}

        if isinstance(query, Iterable):
            query = reduce(or_, query)

        result = cls.objects.filter(query).values(*values_list).annotate(**annotations)

        if pop_annotations:
            for querydict in result:
                for value in annotated_keys:
                    querydict.pop(value)

        return result


# tipos de impuestos aplicables a los productos