python_93040206/admin_site/order/tasks.py

import json
import logging
import matplotlib
matplotlib.use('Agg')
import pandas as pd
from pandas.api.types import is_string_dtype
from pandas.api.types import is_numeric_dtype
from sklearn.preprocessing import LabelEncoder
import matplotlib.pyplot as plt
from sklearn.preprocessing import MinMaxScaler
from sklearn.model_selection import train_test_split
import os
import pyreadr
from sklearn.linear_model import LogisticRegression
import joblib
from sklearn.metrics import roc_curve, auc
import numpy as np
from celery import shared_task
from files.models import Files as Files_models
from datetime import datetime, timedelta
from django.utils import timezone
import os
from order.models import Order as Order_models
from files.models import Files as Files_models

from celery.utils.log import get_task_logger

logger = get_task_logger(__name__)

@shared_task
def get_AUC(order_id):
    matplotlib.use('Agg')
    print(31, order_id)
    # logger.info(28282828, order_id)
    # 更新order状态
    try:
        order = Order_models.objects.get(id=order_id)
        order.status = 2
        order.save()
        # return JsonResponse(setSuccess(msg='更新成功'))
    except Order_models.DoesNotExist:
        logging.warning(json.dumps({
            'msg': '订单不存在',
            'order_id': order_id
        }))

        # return JsonResponse(setFailure(msg='订单不存在'))
    files = Files_models.objects.filter(order_id=order_id)
    logger.info(files[0].file_path)
    logger.info('-----')
    logger.info(files[1].file_path)
    logger.info('-----')
    logger.info(str(order_id))
    # body = json.loads(request.body)
    # logger.info(26, body)
    # 用户订单数据
    base_path = 'Rdata/' + str(order_id) + '/'
    logger.info(base_path)
    # return
    if not os.path.exists(base_path):
        os.makedirs(base_path)

    def ROC_curve(clf, X_test, y_test, name):
        logger.info('130130130130 ' + name + '   gene_list.npy 2')
        # ROC曲线绘制,AUC值计算
        # 计算每一类的得分
        yscore_rf = clf.predict_proba(X_test)
        logger.info('6666666666 ')
        fpr_rf, tpr_rf, thersholds = roc_curve(y_test, yscore_rf[:, 1])
        logger.info('797979797979 ')
        plt.figure()
        logger.info('8080808080 ')
        plt.plot(fpr_rf, tpr_rf, color='darkorange',
                 lw=2, label='ROC curve (arebody = json.loads(request.body)a = %0.2f)' % auc(fpr_rf, tpr_rf))
        plt.plot([0, 1], [0, 1], color='navy', lw=2, linestyle='--')
        plt.xlim([0.0, 1.0])
        plt.ylim([0.0, 1.05])
        plt.xlabel('False Positive Rate')
        plt.ylabel('True Positive Rate')
        # plt.title('Receiver operating characteristic example')
        plt.title(name)
        plt.legend(loc="lower right")
        # plt.savefig(plt.savefig('figs/savefig_example.png'))

        plt.savefig(base_path + name + '.png')
        # plt.show()

    def a_curve(clf, X_test, y_test, name):
        plt.plot(X_test, y_test, color='darkorange',
                 lw=2, label='ROC curve (arebody = json.loads(request.body)a = %0.2f)' % auc(fpr_rf, tpr_rf))
        plt.plot([0, 1], [0, 1], color='navy', lw=2, linestyle='--')
        plt.xlim([0.0, 1.0])
        plt.ylim([0.0, 1.05])
        plt.xlabel('False Positive Rate')
        plt.ylabel('True Positive Rate')
        # plt.title('Receiver operating characteristic example')
        plt.title(name)
        plt.legend(loc="lower right")
        # plt.savefig(plt.savefig('figs/savefig_example.png'))

        plt.savefig(base_path + name + '.png')


    logger.info('797979')
    # 读取非胃癌数据
    data_health = pyreadr.read_r(str(files[0].file_path))  # 'COAD.Rdata'
    data_health = data_health['data']  # .head(10000) # 提取前10000行，后续把.head()删掉
    logger.info('8383838383')
    # 读取胃癌数据
    data_sick = pyreadr.read_r(str(files[1].file_path))  # 'STAD.Rdata'
    data_sick = data_sick['data']  # .head(10000) # 提取前10000行，后续把.head()删掉
    logger.info('1111')
    logger.info('8888888')
    # 数据处理
    data_health['D'] = 0
    data_sick['D'] = 1
    data = pd.concat([data_health, data_sick])
    # data_sick[['Variant_Classification','Tumor_Sample_Barcode']]
    sample_list = list(data.groupby(['Tumor_Sample_Barcode']).groups.keys())  # 把获取类别转为列表
    gene_list = list(data.groupby(['Variant_Classification']).groups.keys())  # 把获取类别转为列表
    np.save(base_path + 'gene_list.npy', np.array(gene_list))  # 保存为.npy格式
    np.save(base_path + 'sample_list.npy', np.array(sample_list))  # 保存为.npy格式
    logger.info('2222')
    # 计算基因数目
    list_final = gene_list + ['Tumor_Sample_Barcode', 'D']
    data_final = pd.DataFrame(columns=list_final)
    ind = 0
    for sample in sample_list:
        tempdata = data[data['Tumor_Sample_Barcode'] == sample]
        message = []
        for gene in gene_list:
            num = len(tempdata[tempdata['Variant_Classification'] == gene])
            message.append(num)
        message = message + [sample, tempdata.iloc[0][-1]]
        data_final.loc[ind] = message
        ind = ind + 1
    # data_final
    logger.info('113113113113113')

    # -------------------------------------SC_GRS方法-----------------------------------------
    data_final['Gi_sum'] = data_final[gene_list].sum(axis=1)
    # 模型训练
    X_train, X_test, y_train, y_test = train_test_split(data_final['Gi_sum'].values.reshape(-1, 1),
                                                        data_final['D'].values.astype('int'), test_size=0.2)
    clf = LogisticRegression(penalty='l2')
    clf.fit(X_train, y_train)
    # 模型系数
    coef = clf.coef_
    intercept = clf.intercept_
    # 储存模型
    joblib.dump(clf, base_path + 'clf_scgrs.model')
    logger.info('3333')
    # ROC绘图 SC_GRS方法
    ROC_curve(clf, X_test, y_test, name='SC_GRS')
    logger.info('130130130130 '+ base_path + 'gene_list.npy')
    # 模型预测,假设data_final是输入数据，注意，data_final已经是处理好对应的基因数目的数据
    # 模型加载
    gene_list = np.load(base_path + 'gene_list.npy')
    logger.info('134134134134134134134')
    gene_list = gene_list.tolist()
    clf_scgrs = joblib.load(base_path + 'clf_scgrs.model')
    logger.info('137137137137137')
    # 数据处理
    X_test = data_final[gene_list].sum(axis=1).values.reshape(-1, 1)
    y_pre = clf.predict(X_test)  # 分类结果预测
    prob_pre = clf.predict_proba(X_test)  # 结果概率预测
    logger.info('4444')
    # logger.info(95, prob_pre)

    # -------------------------------------DL_GRS方法-----------------------------------------
    # 模型训练
    X_train, X_test, y_train, y_test = train_test_split(data_final[gene_list], data_final['D'].values.astype('int'),
                                                        test_size=0.2)
    clf = LogisticRegression(penalty='l2', max_iter=1000)
    clf.fit(X_train, y_train)
    # 模型系数
    coef = clf.coef_
    intercept = clf.intercept_
    # 储存模型
    joblib.dump(clf, base_path + 'clf_dlgrs.model')
    # ROC曲线绘制,AUC值计算
    ROC_curve(clf, X_test, y_test, name='DL_GRS')
    # 模型预测,假设data_final是输入数据，注意，data_final已经是处理好对应的基因数目的数据
    # 模型加载
    gene_list = np.load(base_path + 'gene_list.npy')
    gene_list = gene_list.tolist()
    clf_scgrs = joblib.load(base_path + 'clf_dlgrs.model')
    # 数据处理
    X_test = data_final[gene_list]
    y_pre = clf.predict(X_test)  # 分类结果预测
    prob_pre = clf.predict_proba(X_test)  # 结果概率预测
    # logger.info(119, prob_pre)

    # -------------------------------------OR_GRS方法-----------------------------------------
    # or值计算
    tempdata = data_final[data_final['D'] == 0]
    gene_mean0 = tempdata[gene_list].mean()
    tempdata = data_final[data_final['D'] == 1]
    gene_mean1 = tempdata[gene_list].mean()
    omega_or = np.log(gene_mean1 / gene_mean0)
    # 模型训练
    data_final['GRS'] = (data_final[gene_list] * omega_or).sum(axis=1)
    X_train, X_test, y_train, y_test = train_test_split(data_final['GRS'].values.reshape(-1, 1),
                                                        data_final['D'].values.astype('int'), test_size=0.2)
    clf = LogisticRegression(penalty='l2')
    clf.fit(X_train, y_train)
    # 模型系数
    coef = clf.coef_
    intercept = clf.intercept_
    # 储存模型
    joblib.dump(clf, base_path + 'clf_orgrs.model')
    np.save(base_path + 'omega_or.npy', np.array(omega_or))  # 保存为.npy格式

    # ROC曲线绘制,AUC值计算 OR_GRS方法
    ROC_curve(clf, X_test, y_test, name='OR_GRS')

    # 模型预测,假设data_final是输入数据，注意，data_final已经是处理好对应的基因数目的数据
    # 模型加载
    gene_list = np.load(base_path + 'gene_list.npy')
    gene_list = gene_list.tolist()
    clf_scgrs = joblib.load(base_path + 'clf_dlgrs.model')
    omega_or = np.load(base_path + 'omega_or.npy')
    # 数据处理
    X_test = (data_final[gene_list] * omega_or).sum(axis=1).values.reshape(-1, 1)
    y_pre = clf.predict(X_test)  # 分类结果预测
    prob_pre = clf.predict_proba(X_test)  # 结果概率预测
    # logger.info(154, prob_pre)
    # 更新order状态
    try:
        order = Order_models.objects.get(id=order_id)
        order.status = 3
        order.save()
        # return JsonResponse(setSuccess(msg='更新成功'))
    except Order_models.DoesNotExist:
        logging.warning(json.dumps({
            'msg': '订单不存在',
            'order_id': order_id
        }))