gh-131878: Fix input of unicode characters with two or more code points in new pyrepl on Windows (gh-131901)

Co-authored-by: Tomas R. <tomas.roun8@gmail.com>
Co-authored-by: Chris Eibl <138194463+chris-eibl@users.noreply.github.com>

1 files changed, 4 insertions, 8 deletions

diff --git a/Lib/_pyrepl/base_eventqueue.py b/Lib/_pyrepl/base_eventqueue.py
index e018c4f..842599b 100644
--- a/Lib/_pyrepl/base_eventqueue.py
+++ b/Lib/_pyrepl/base_eventqueue.py
@@ -69,18 +69,14 @@ class BaseEventQueue:
         trace('added event {event}', event=event)
         self.events.append(event)
 
-    def push(self, char: int | bytes | str) -> None:
+    def push(self, char: int | bytes) -> None:
         """
         Processes a character by updating the buffer and handling special key mappings.
         """
+        assert isinstance(char, (int, bytes))
         ord_char = char if isinstance(char, int) else ord(char)
-        if ord_char > 255:
-            assert isinstance(char, str)
-            char = bytes(char.encode(self.encoding, "replace"))
-            self.buf.extend(char)
-        else:
-            char = bytes(bytearray((ord_char,)))
-            self.buf.append(ord_char)
+        char = ord_char.to_bytes()
+        self.buf.append(ord_char)
 
         if char in self.keymap:
             if self.keymap is self.compiled_keymap: