From d87f9fbd793797ec9af19db83890513187cd1852 Mon Sep 17 00:00:00 2001
From: "Paul Gauthier (aider)" <aider@paulg.org>
Date: Wed, 4 Dec 2024 07:03:59 -0800
Subject: [PATCH] fix: add fallback to ASCII spinner when Unicode is not
 supported

---
 aider/utils.py | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/aider/utils.py b/aider/utils.py
index e91e5deb0..e1e4ac24c 100644
--- a/aider/utils.py
+++ b/aider/utils.py
@@ -268,7 +268,8 @@ def run_install(cmd):
 
 
 class Spinner:
-    spinner_chars = itertools.cycle(["⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"])
+    unicode_spinner = ["⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"]
+    ascii_spinner = ["|", "/", "-", "\\"]
 
     def __init__(self, text):
         self.text = text
@@ -276,6 +277,15 @@ class Spinner:
         self.last_update = 0
         self.visible = False
         self.is_tty = sys.stdout.isatty()
+        
+        # Try unicode first, fall back to ascii if needed
+        try:
+            # Test if we can print unicode characters
+            print(self.unicode_spinner[0], end="", flush=True)
+            print("\r", end="", flush=True)
+            self.spinner_chars = itertools.cycle(self.unicode_spinner)
+        except UnicodeEncodeError:
+            self.spinner_chars = itertools.cycle(self.ascii_spinner)
 
     def step(self):
         if not self.is_tty: