Barry A. Warsaw added the comment:
On Jun 22, 2013, at 01:08 AM, Nick Coghlan wrote:
>Can I vote for something like "__builtin__" as the protocol, rather than
>something entirely specific to serialisation? As in "return the most
>appropriate builtin type with the same value"? Then a converter
>("operator.builtin"?) could coerce builtin subclasses to their base classes
>by default, rather than needing to implement the protocol on every type.
Such a protocol needs a way to deserialize as well. You can't necessarily
assume (or shouldn't impose) that the __init__() can do that conversion. In
any case...
>Such a design would need a PEP, of course.
...yes, definitely.
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<http://bugs.python.org/issue18264>
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