From 2ef26582ddb28f8d34210fd2e43a1f69393775a3 Mon Sep 17 00:00:00 2001
From: Trung Dinh <xamarindevelopervietnam@outlook.com>
Date: Tue, 6 May 2025 13:02:37 +0700
Subject: [PATCH] Fix decode-error

---
 aider/copypaste.py | 25 +++++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/aider/copypaste.py b/aider/copypaste.py
index c8dfbe378..365854fd5 100644
--- a/aider/copypaste.py
+++ b/aider/copypaste.py
@@ -18,12 +18,16 @@ class ClipboardWatcher:
     def start(self):
         """Start watching clipboard for changes"""
         self.stop_event = threading.Event()
-        self.last_clipboard = pyperclip.paste()
+        # guard against non-UTF8 bytes in the clipboard
+        try:
+            self.last_clipboard = pyperclip.paste()
+        except UnicodeDecodeError:
+            self.last_clipboard = ""
 
         def watch_clipboard():
             while not self.stop_event.is_set():
                 try:
-                    current = pyperclip.paste()
+                    current = self._safe_paste()
                     if current != self.last_clipboard:
                         self.last_clipboard = current
                         self.io.interrupt_input()
@@ -51,6 +55,23 @@ class ClipboardWatcher:
             self.watcher_thread = None
             self.stop_event = None
 
+    def _safe_paste(self) -> str:
+        """
+        Attempt a normal pyperclip.paste(); if it raises a UnicodeDecodeError
+        fall back to a raw xclip call and replace invalid bytes.
+        """
+        try:
+            return pyperclip.paste()
+        except UnicodeDecodeError:
+            # linux fallback via xclip
+            import subprocess, shlex
+            try:
+                raw = subprocess.check_output(shlex.split("xclip -selection clipboard -o"))
+                # replace any invalid bytes with �
+                return raw.decode("utf-8", errors="replace")
+            except Exception:
+                return ""
+
 
 def main():
     """Example usage of the clipboard watcher"""