python json.loads兼容单引号数据的方法

python的json模块解析单引号数据会报错，示例如下

>>> import json
>>> data = "{'field1': 0, 'field2': 'hehehehe', 'field3': 'hahaha'}"
>>> json.loads(data)

traceback (most recent call last): 
file “”, line 1, in 
file “/usr/lib/python3.5/json/init.py”, line 319, in loads 
return _default_decoder.decode(s) 
file “/usr/lib/python3.5/json/decoder.py”, line 339, in decode 
obj, end = self.raw_decode(s, idx=_w(s, 0).end()) 
file “/usr/lib/python3.5/json/decoder.py”, line 355, in raw_decode 
obj, end = self.scan_once(s, idx) 
json.decoder.jsondecodeerror: expecting property name enclosed in double quotes: line 1 column 2 (char 1)

摸索的解决办法如下

>>> data = json.dumps(eval(data))
>>> print(data)

{“field3”: “hahaha”, “field2”: “hehehehe”, “field1”: 0}

处理后正确解析

>>> print(json.loads(data))

{‘field3': ‘hahaha', ‘field2': ‘hehehehe', ‘field1': 0}

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