[3.13] gh-111201: Remove readline dependency from the PyREPL (GH-119262) (#119403)

(cherry picked from commit 561ff1f)

Author: lysnikolaou

Lib/_pyrepl/readline.py

@@ -31,9 +31,9 @@
 from dataclasses import dataclass, field
 
 import os
-import readline
 from site import gethistoryfile   # type: ignore[attr-defined]
 import sys
+from rlcompleter import Completer as RLCompleter
 
 from . import commands, historical_reader
 from .completing_reader import CompletingReader
@@ -81,7 +81,7 @@
 
 @dataclass
 class ReadlineConfig:
-    readline_completer: Completer | None = readline.get_completer()
+    readline_completer: Completer | None = RLCompleter().complete
     completer_delims: frozenset[str] = frozenset(" \t\n`~!@#$%^&*()-=+[{]}\\|;:'\",<>/?")
 
 

Lib/test/test_pyrepl/__init__.py

@@ -7,7 +7,6 @@
 # option.  Additionally, we need to attempt to import curses and readline.
 requires("curses")
 curses = import_module("curses")
-readline = import_module("readline")
 
 
 def load_tests(*args):

Misc/NEWS.d/next/Library/2024-05-20-20-30-57.gh-issue-111201.DAA5lC.rst

@@ -0,0 +1 @@
+Remove dependency to :mod:`readline` from the new Python REPL.