https://github.com/python/cpython/commit/f371565169438c3b93763f298d5171985607ab5d
commit: f371565169438c3b93763f298d5171985607ab5d
branch: 3.13
author: Miss Islington (bot) <31488909+miss-isling...@users.noreply.github.com>
committer: lysnikolaou <lisandros...@gmail.com>
date: 2024-05-22T00:14:44Z
summary:

[3.13] gh-119102: Fix REPL for dumb terminal (GH-119332) (#119359)

The site module gets the __main__ module to get _pyrepl.__main__.
(cherry picked from commit de8f530841b55885b919677a6938ab33d4a92f20)

Co-authored-by: Victor Stinner <vstin...@python.org>

files:
M Lib/site.py

diff --git a/Lib/site.py b/Lib/site.py
index 4ba078388a37b8..f1a6d9cf66fdc3 100644
--- a/Lib/site.py
+++ b/Lib/site.py
@@ -523,7 +523,12 @@ def register_readline():
             pass
 
         def write_history():
-            from _pyrepl.__main__ import CAN_USE_PYREPL
+            try:
+                # _pyrepl.__main__ is executed as the __main__ module
+                from __main__ import CAN_USE_PYREPL
+            except ImportError:
+                CAN_USE_PYREPL = False
+
             try:
                 if os.getenv("PYTHON_BASIC_REPL") or not CAN_USE_PYREPL:
                     readline.write_history_file(history)

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