json文件，字符串与字典的转换

1.将json文件读取后，修改，再写入

#output.json文件
{
    "tests_num": 11,
    "failures": 0,
    "testsuites": {
        "testsuite": {
            "testcases": {
                "test1": {
                    "result": "good",
                    "description": "Orin1、Orin2升级",
                    "message": ""
                },
                "test2": {
                    "result": "good",
                    "description": "soc1(172.31.3.80)是否可以通过ssh登录",
                    "message": ""
                }
            }
        }
    }
}

 

import json
import jsonpath

output = 'output.json'
with open(output, 'r', encoding='utf-8') as f_write:
    # load将文件流转成字典
    data = json.load(f_write)
# jsonpath不管位置，选择所有符合条件的节点
jsonpath.jsonpath(data, '$..test1')[0]['result'] = "fail"

with open(output, 'w+', encoding='utf-8') as f_write:
    f_write.write(json.dumps(data, sort_keys=False, indent=4, separators=(',', ': '), ensure_ascii=False))

2.修改json字符串，并写入文件

import json
import jsonpath

output = '''
{
    "tests_num": 11,
    "failures": 0,
    "testsuites": {
        "testsuite": {
            "testcases": {
                "test1": {
                    "result": "good",
                    "description": "Orin1、Orin2升级",
                    "message": ""
                },
                "test2": {
                    "result": "good",
                    "description": "soc1(172.31.3.80)是否可以通过ssh登录",
                    "message": ""
                }
            }
        }
    }
}
'''
# loads将json字符串转成字典
data = json.loads(output)
# jsonpath不管位置，选择所有符合条件的节点
jsonpath.jsonpath(data, '$..test1')[0]['result'] = "fail"

with open('output.json', 'w+', encoding='utf-8') as f_write:
    f_write.write(json.dumps(data, sort_keys=False, indent=4, separators=(',', ': '), ensure_ascii=False))