python处理json文件

import json
import random
import collections
filename = '在线请求0426.txt'
# 将数据加载到一个列表中
#首先得到所有的商家，把商家设置一个状态，存到一个map里
poiid_status_maps={}
poiid_shelf_maps= collections.defaultdict(list)
shelf_poiid_maps= collections.defaultdict(list)
with open(filename) as f:
    origin_data1 = json.load(f)
    reqItemList = origin_data1["reqItemList"]
    for i in range(len(reqItemList)):
        subItem_list = reqItemList[i]["subItem"]  # 货架下的商家list
        for j in range(len(subItem_list)):
            poi_id = subItem_list[j]["itemId"]
            if poi_id not in poiid_status_maps:
                poi_status_index = random.randint(0,2)
                poiid_status_maps[poi_id] = str(poi_status_index)
            poiid_shelf_maps[poi_id].append(reqItemList[i]["itemId"])
            shelf_poiid_maps[reqItemList[i]["itemId"]].append(poi_id)
print(poiid_shelf_maps)
print(shelf_poiid_maps)


with open(filename) as f:
    origin_data = json.load(f)
    #在请求中加入商家状态，reqItemList->subItem->attribute
    reqItemList = origin_data["reqItemList"]
    print(reqItemList)
    for i in range(len(reqItemList)):
        subItem_list = reqItemList[i]["subItem"]  #货架下的商家list
        for j in range(len(subItem_list)):
            cur_poi_id = subItem_list[j]["itemId"]
            cur_poi_id_status = poiid_status_maps[cur_poi_id]
            maps1={}
            maps1["poiStatus"] = cur_poi_id_status
            subItem_list[j]["attribute"] =maps1
print(origin_data)
# res_path = "在线请求0426_test1.txt"
res_path = open('在线请求0426_test1.json','w',encoding='utf-8')
json.dump(origin_data, res_path)