From 09e4f2d1c42715d625c151499a4f4725faa1dbab Mon Sep 17 00:00:00 2001
From: Benjamin Berman <ben@hiddenswitch.com>
Date: Wed, 12 Nov 2025 21:13:57 -0800
Subject: [PATCH] Fix custom nodes printing unicode in logs on Windows

---
 comfy/app/logger.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/comfy/app/logger.py b/comfy/app/logger.py
index 76d921cd1..7aeb49398 100644
--- a/comfy/app/logger.py
+++ b/comfy/app/logger.py
@@ -16,7 +16,8 @@ class LogInterceptor(io.TextIOWrapper):
     def __init__(self, stream, *args, **kwargs):
         buffer = stream.buffer
         encoding = stream.encoding
-        super().__init__(buffer, *args, **kwargs, encoding=encoding, line_buffering=stream.line_buffering)
+        # Use 'replace' error handling to avoid Unicode encoding errors on Windows
+        super().__init__(buffer, *args, **kwargs, encoding=encoding, errors='replace', line_buffering=stream.line_buffering)
         self._lock = threading.Lock()
         self._flush_callbacks = []
         self._logs_since_flush = []
@@ -32,7 +33,11 @@ class LogInterceptor(io.TextIOWrapper):
                 logs.pop()
             logs.append(entry)
         if not self.closed:
-            super().write(data)
+            try:
+                super().write(data)
+            except UnicodeEncodeError:
+                # some random bs in custom nodes will trigger errors on Windows
+                super().write(data.encode(self.encoding, errors='replace').decode(self.encoding))
 
     def flush(self):
         if not self.closed: