当使用json.dumps(...)将枚举对象序列化为JSON时,Python会抛出以下错误:
>>> class E(enum.Enum):
... A=0
... B=1
>>> import json
>>> json.dumps(E.A)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Users\guptaaman\Miniconda3\lib\json\__init__.py", line 231, in dumps
return _default_encoder.encode(obj)
File "C:\Users\guptaaman\Miniconda3\lib\json\encoder.py", line 199, in encode
chunks = self.iterencode(o, _one_shot=True)
File "C:\Users\guptaaman\Miniconda3\lib\json\encoder.py", line 257, in iterencode
return _iterencode(o, 0)
File "C:\Users\guptaaman\Miniconda3\lib\json\encoder.py", line 179, in default
raise TypeError(f'Object of type {o.__class__.__name__} '
TypeError: Object of type E is not JSON serializable
如何使枚举对象可JSON序列化?