app.py 文件源码

def post(self):
        try:
            parser = reqparse.RequestParser()
            parser.add_argument('filter_params', type=str)
            args = parser.parse_args()
            filter_params = json.loads(args['filter_params'])
            rules = filter_params['rules']

            queryObject = filterDatasetQueryObjectWithRules(Dataset.query,rules)
            result = marshal(queryObject.all(), fullDatasetFields)
            if queryObject.count()>user_n_threshold:
                return {'error':'you are trying to get metadata for too many datasets at once. Please query the database for '+str(user_n_threshold)+' or fewer datasets at a time'}
            else:
                return {"count_matching_datasets":len(result), "filter_params":filter_params, "datasets":result}

        except Exception as e:
            return {'error': str(e)}