Hi all,
This is a proposal to enable uuid objects serialization / deserialization
by the json module out of the box.
UUID objects cast to string:
>>> example = uuid.uuid4()
>>> str(example)
'b8bcbfaa-d54f-4f33-9d7e-c91e38bb1b63'
The can be casted from string:
>>> example == uuid.UUID(str(example))
True
But are not serializable out of the box:
>>> json.dumps(example)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python3.8/json/__init__.py", line 231, in dumps
return _default_encoder.encode(obj)
File "/usr/lib/python3.8/json/encoder.py", line 199, in encode
chunks = self.iterencode(o, _one_shot=True)
File "/usr/lib/python3.8/json/encoder.py", line 257, in iterencode
return _iterencode(o, 0)
File "/usr/lib/python3.8/json/encoder.py", line 179, in default
raise TypeError(f'Object of type {o.__class__.__name__} '
TypeError: Object of type UUID is not JSON serializable
Wouldn't it be pythonically possible to make this work out of the box,
without going through the string typecasting ?
If that discussion goes well perhaps we can also talk about datetimes ... I
know there's nothing about datetime formats in the json specification, that
users are free to choose, but could we choose a standard format by default
that would just work for people who don't care about the format they want.
Thank you in advance for your replies
Have a great day
--
∞
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