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

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
index b63447d6673f68ea28a234508761d4f162291bbd..4ba078388a37b8ef7c3c401a4891efc9563cee2e 100644 (file)
--- 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)