gh-110941: Fix json.dump encoding dict subclasses as empty.
#111036
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See python#110941 for full details but the tldr is that the C optimised JSON encoder did not handle `dict` subclasses correctly and encoded them as empty if they did not put something into `super()`'s storage.
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eendebakpt
reviewed
Nov 10, 2023
Co-authored-by: Pieter Eendebak <pieter.eendebak@gmail.com>
Co-authored-by: Pieter Eendebak <pieter.eendebak@gmail.com>
Co-authored-by: Pieter Eendebak <pieter.eendebak@gmail.com>
eendebakpt
approved these changes
Jan 15, 2024
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See #110941 for full details but the tldr is that the C optimised JSON encoder did not handle
dictsubclasses correctly and encoded them as empty if they did not put something intosuper()'s storage.json.dumpsaccesses dict internals even for dict subclasses #110941