The New REPL Command History Does Not Honor Partial Text

Bug report

Bug description:

Let's say I fire up the REPL and start with the following:

>>> spam = 1
>>> ham = 2
>>> eggs = 3
>>> sp

At that point, I can up-arrow to scroll through my REPL command history. Normally with that partial sp on the line, hitting up-arrow once will immediately present spam = 1. Hitting it again will do nothing (since there are no more matching lines).

With the new REPL, it presents eggs = 3. Hitting it again will present ham = 2, and again it presents spam = 1. I'd rather it keep doing what it did before.

CC @ambv, @pablogsal

CPython versions tested on:

CPython main branch

Operating systems tested on:

Linux

Linked PRs

• gh-121859

まず、レポートの sp 例を使用して、Linux 上の CPython main-branch REPL における部分入力時の履歴動作を再現します。上矢印の結果を、プレフィックスでフィルタリングされた履歴の期待される動作と比較します。一致する履歴エントリだけが表示され、無関係なエントリがスキップされれば、問題は解決です。