gh-119102: Fix REPL for dumb terminal (#119269)

vstinner · web-flow · commit 73f4a58d36b6 · 2024-05-21T13:53:20.000+01:00
Use CAN_USE_PYREPL of _pyrepl.__main__ in the site module to decide
if _pyrepl.write_history_file() can be used.
diff --git a/Lib/site.py b/Lib/site.py
@@ -523,8 +523,9 @@ def register_readline():
             pass
 
         def write_history():
+            from _pyrepl.__main__ import CAN_USE_PYREPL
             try:
-                if os.getenv("PYTHON_BASIC_REPL"):
+                if os.getenv("PYTHON_BASIC_REPL") or not CAN_USE_PYREPL:
                     readline.write_history_file(history)
                 else:
                     _pyrepl.readline.write_history_file(history)
