# -*- coding:utf-8 -*-

from sklearn import metrics


def recall_precision(true_y, pred_y):
    recall = metrics.recall_score(true_y, pred_y)
    precision = metrics.precision_score(true_y, pred_y)
    return recall, precision


def auc_score(true_y, pred_score, label_value=1):
    f, t, _ = metrics.roc_curve(true_y, pred_score, pos_label=label_value)
    return metrics.auc(f, t)