def build_filtration()

in augmentation/parse_config.py [0:0]


def build_filtration(flow, filtration_config):
    METRICS = {
        "bleu": single_reference_sentence_bleu
    }

    if filtration_config['metric_fn'] is None:
        return flow
    return FilterAugmented(
        flow,
        metric_fn=single_reference_sentence_bleu,
        metric_acceptor=ThresholdAcceptor(filtration_config['low'], filtration_config['high'])
    )