[issue23493] optimize sort_keys in json module by using operator.itemgetter()
Mickaël Schoentgen
report at bugs.python.org
Thu Sep 2 11:43:59 EDT 2021
Mickaël Schoentgen <contact at tiger-222.fr> added the comment:
I am wondering why the change was not backported to 3.6 and 3.7?
It introduces different behavior.
For instance, I need to keep duplicate keys from JSON data (because it is allowed by the RFC and it is a missing feature for tools such like HTTPie).
Have a look at repro-sorting.py.
On Python 3.6 and 3.7, the output is not sorted:
{
"dps": {
"1630064726": 5.0,
"1630064726": 3.0,
"1630064726": 6.0
}
}
Starting with Python 3.8, the output is sorted as expected:
{
"dps": {
"1630064726": 3.0,
"1630064726": 5.0,
"1630064726": 6.0
}
}
I could open pull requests for both 3.6 and 3.7 branches, if you think it is worth and allowed by the current maintenance status.
----------
nosy: +Tiger-222
Added file: https://bugs.python.org/file50256/repro-sorting.py
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