Add `sort_dicts` parameter to `reprlib.Repr`

Feature or enhancement

Proposal:

reprlib.Repr currently sorts dictionaries by key when producing representations. However, sometimes the insertion order is meaningful. It would be useful to have a sort_dicts parameter, analogous to the existing parameter in pprint.PrettyPrinter & friends.

The proposed API is:

orepr = reprlib.Repr(sort_dicts=False)
orepr.repr(my_ordered_dict)

The default should be True to preserve the existing behavior.

A possible implementation is here:
https://github.com/python/cpython/compare/main...warden127:cpython:reprlib-sort_dicts

Has this already been discussed elsewhere?

I have already opened a thread under Ideas on discuss.python.org a couple days ago, but got no response (and therefore no objections *wink*).

Links to previous discussion of this feature:

• https://discuss.python.org/t/reprlib-repr-should-have-a-sort-dicts-parameter/108533

Linked PRs

• gh-155817

Inizia da reprlib.Repr e verifica il comportamento attuale dell’ordinamento dei dizionari, quindi confronta l’API proposta con pprint.PrettyPrinter. Controlla la PR collegata gh-155817; il lavoro è completato quando l’API supporta sort_dicts=False mentre il valore predefinito True mantiene il comportamento esistente.