可以使用 Python 中的标准库 difflib 和 json 分别来计算两个字典的差异并将字典转化为可比较的字符串。具体的实现代码如下:
import json from difflib import unified_diff
def compare_dicts(d1, d2): """ 比较两个字典并返回它们的差异 """ # 转换成序列化对象(JSON 字符串) s1 = json.dumps(d1, indent=4, sort_keys=True) s2 = json.dumps(d2, indent=4, sort_keys=True) # 使用 difflib 计算两个字符串的差异 diff = unified_diff(s1.splitlines(), s2.splitlines(), lineterm='') return list(diff)
def compare_lists(l1, l2): """ 比较两个字典列表并返回它们的差异 """ diffs = [] for d1, d2 in zip(l1, l2): diff = compare_dicts(d1, d2) if diff: diffs.append(diff) return diffs
list1 = [ {"name": "Alice", "age": 28}, {"name": "Bob", "age": 55}, {"name": "Charlie", "age": 42} ] list2 = [ {"name": "Charlie", "age": 42}, {"name": "Alice", "age": 28}, {"name": "Bob", "age": 56} ]
diffs = compare_lists(list1, list2)
for diff in diffs: print('\n'.join(diff))
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