From f4e5643df64d0c2a009ed224560044b3409a47c0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miro=20Hron=C4=8Dok?= <miro@hroncok.cz>
Date: Fri, 13 Sep 2024 03:07:23 +0200
Subject: [PATCH] gh-124027: Support Del, PgUp, and PgDn on TERM=vt100
 (#124028)

pyrepl: Support Del, PgUp, and PgDn on TERM=vt100

From Fedora's /etc/inputrc:

    "\e[5~": history-search-backward
    "\e[6~": history-search-forward
    "\e[3~": delete-char

Fixes https://github.com/python/cpython/issues/124027
---
 Lib/_pyrepl/historical_reader.py                                | 2 ++
 Lib/_pyrepl/reader.py                                           | 1 +
 .../2024-09-13-02-25-06.gh-issue-124027.to_9DY.rst              | 2 ++
 3 files changed, 5 insertions(+)
 create mode 100644 Misc/NEWS.d/next/Core_and_Builtins/2024-09-13-02-25-06.gh-issue-124027.to_9DY.rst

diff --git a/Lib/_pyrepl/historical_reader.py b/Lib/_pyrepl/historical_reader.py
index f6e14bdffc3..5d416f336ad 100644
--- a/Lib/_pyrepl/historical_reader.py
+++ b/Lib/_pyrepl/historical_reader.py
@@ -266,7 +266,9 @@ class HistoricalReader(Reader):
             (r"\M-r", "restore-history"),
             (r"\M-.", "yank-arg"),
             (r"\<page down>", "history-search-forward"),
+            (r"\x1b[6~", "history-search-forward"),
             (r"\<page up>", "history-search-backward"),
+            (r"\x1b[5~", "history-search-backward"),
         )
 
     def select_item(self, i: int) -> None:
diff --git a/Lib/_pyrepl/reader.py b/Lib/_pyrepl/reader.py
index 54bd1ea0222..4b0700d069c 100644
--- a/Lib/_pyrepl/reader.py
+++ b/Lib/_pyrepl/reader.py
@@ -150,6 +150,7 @@ default_keymap: tuple[tuple[KeySpec, CommandName], ...] = tuple(
         (r"\<right>", "right"),
         (r"\C-\<right>", "forward-word"),
         (r"\<delete>", "delete"),
+        (r"\x1b[3~", "delete"),
         (r"\<backspace>", "backspace"),
         (r"\M-\<backspace>", "backward-kill-word"),
         (r"\<end>", "end-of-line"),  # was 'end'
diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2024-09-13-02-25-06.gh-issue-124027.to_9DY.rst b/Misc/NEWS.d/next/Core_and_Builtins/2024-09-13-02-25-06.gh-issue-124027.to_9DY.rst
new file mode 100644
index 00000000000..1834ba0ba08
--- /dev/null
+++ b/Misc/NEWS.d/next/Core_and_Builtins/2024-09-13-02-25-06.gh-issue-124027.to_9DY.rst
@@ -0,0 +1,2 @@
+Support ``<page up>``, ``<page down>``, and ``<delete>`` keys in the Python
+REPL when ``$TERM`` is set to ``vt100``.