def search(self, regex):
        try:
            spec = {'$or': [{'data.content'    : {'$regex': regex, '$options': 'im'}},
                            {'data.description': {'$regex': regex, '$options': 'im'}}]}
            fields = {'_id': 0}
            cur = self.db.docs.find(spec, fields)
        except Exception as e:
            raise DatabaseException(e)
        return [Document(**row) for row in cur]
def read_current_from_device(self):
        collection = self.client.api.cm.shared.licensing.pools_s.get_collection(
            requests_params=dict(
                params="$filter=name+eq+'{0}'".format(self.want.name)
            )
        )
        resource = collection.pop()
        result = resource.attrs
        return Parameters(result)