from haystack.query import SearchQuerySet

class MyResource(Resource):
    def build_filters(self, filters=None):
        if filters is None:
            filters = {}

        orm_filters = super(MyResource, self).build_filters(filters)

        if "q" in filters:
            sqs = SearchQuerySet().auto_query(filters['q'])

            orm_filters = {"pk__in": [ i.pk for i in sqs ]}

        return orm_filters