Python中高效的json对比库deepdiff详解

pip install deepdiff

>>> from deepdiff import DeepDiff  # For Deep Difference of 2 objects
>>> from deepdiff import grep, DeepSearch  # For finding if item exists in an object
>>> from deepdiff import DeepHash  # For hashing objects based on their contents

from deepdiff import DeepDiff
"""
a.txt的内容是： abc
b.txt的内容是： abcd
"""
f1, f2 = open('a.txt', 'r', encoding='utf-8').read(), open('b.txt', 'r', encoding='utf-8').read()
print(DeepDiff(f1, f2))  
# 输出结果，内容值发生变化 {'values_changed': {'root': {'new_value': 'abcd', 'old_value': 'abc'}}}

​
from deepdiff import  DeepDiff
​
json1={
    'code': 0,
    "message": "成功",
    "data": {
        "total": 28,
        "id":123
}
}
json2={
    'code':0,
    "message":"成功",
    "data": {
        "total": 29,
    }
}
print(DeepDiff(json1,json2))
# 输出结果，id移除，total值发生改变
#{'dictionary_item_removed': [root['data']['id']], 'values_changed': {"root['data']['total']": {'new_value': 29, 'old_value': 28}}}

import unittest
import requests
from deepdiff import DeepDiff
class MyCase(unittest.TestCase):
    expect = {
        'slideshow': {
            'author': 'Yours Truly',
            'date': 'date of publication',
            'slides': [{
                'title': 'Wake up to WonderWidgets!',
                'type': 'all'
            }, {
                'items': ['Why <em>WonderWidgets</em> are great', 'Who <em>buys</em> WonderWidgets'],
                'title': 'Overview',
                'type': 'all'
            }],
            'title': 'Sample Slide Show'
        }
    }
​
    def setUp(self):
        self.response = requests.get('http://www.httpbin.org/json').json()
        print(self.response)
​
    def test_case_01(self):
        print(DeepDiff(self.response, self.expect))
​
    def test_case_02(self):
        print(DeepDiff(self.response['slideshow']['author'], 'Yours Truly1'))
​
if __name__ == '__main__':
    unittest.main()

print(DeepDiff(self.response, self.expect,view='tree',ignore_order=True,ignore_string_case=True,exclude_paths={"root['slideshow']['date']"}))