我需要将字典值附加到已经存在的JSON文件中。我该怎么做?
我的details.json文件
{"name": "someName"}
我的python脚本生成的字典
list1 = {"name": "someOthername"}
with open("details.json") as r:
data = json.load(r)
desirableDict = data.append(list1) # It has to be something like this
print(desirableDict)
理想的输出:{“名称”:[“ someName”,“ someOthername”]}
答案 0 :(得分:1)
似乎您需要深度合并结构。我建议您使用这个很棒的库https://pypi.org/project/deepmerge/。
有很多您想实现的例子。
from deepmerge import always_merger
base = {"foo": ["bar"]}
next = {"foo": ["baz"]}
expected_result = {'foo': ['bar', 'baz']}
result = always_merger.merge(base, next)
assert expected_result == result
答案 1 :(得分:1)
您可以检查for循环中的所有键,并将json文件和list1的值放在这样的列表中:
import json
list1 = {"name": "someOthername"}
with open("details.json") as file:
data = json.load(file)
desirableDict = data.copy()
for key in data:
if key in list1:
if type(data[key]) is list:
data[key].append(list1[key])
else:
desirableDict[key] = [data[key],list1[key]]
print(desirableDict)