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View Code? Open in Web Editor NEW20-50x faster deepcopy() replacement
License: Other
20-50x faster deepcopy() replacement
License: Other
The problem is here. Since an Enum
doesn't have an instance of self
, when __reduce_ex__(4)
is called, you will get an error telling you that you are missing one required positional argument. In order to call __reduce_ex__(4)
on an Enum
, you'd have to use one of the concrete enum values. For example:
>>> from enum import Enum
>>> class Test(Enum):
2 FOO = 1
>>> Test.__reduce_ex__(4)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: __reduce_ex__() missing 1 required positional argument: 'proto'
__reduce_ex__() missing 1 required positional argument: 'proto'
>>> Test.FOO.__reduce_ex__(4)
(<enum 'Test'>, (1,))
>>>
I'm still digging into the code to fully understand what's going on here, so I'm don't have enough context to give a good recommendation. It is perhaps the case that you'd have to iterate over each of the enum values to call __reduce_ex__(4)
on them one-by-one. Or perhaps it is the case that Enum
s are not able to be used by this method.
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