SCons: Fix potential Windows ANSI exception

1 files changed, 15 insertions, 8 deletions

diff --git a/modules/text_server_adv/gdextension_build/SConstruct b/modules/text_server_adv/gdextension_build/SConstruct
index 018984a52f..58e1868e31 100644
--- a/modules/text_server_adv/gdextension_build/SConstruct
+++ b/modules/text_server_adv/gdextension_build/SConstruct
@@ -6,14 +6,21 @@ import time
 
 # Enable ANSI escape code support on Windows 10 and later (for colored console output).
 # <https://github.com/python/cpython/issues/73245>
-if sys.platform == "win32":
-    from ctypes import windll, c_int, byref
-
-    stdout_handle = windll.kernel32.GetStdHandle(c_int(-11))
-    mode = c_int(0)
-    windll.kernel32.GetConsoleMode(c_int(stdout_handle), byref(mode))
-    mode = c_int(mode.value | 4)
-    windll.kernel32.SetConsoleMode(c_int(stdout_handle), mode)
+if sys.stdout.isatty() and sys.platform == "win32":
+    try:
+        from ctypes import windll, byref, WinError  # type: ignore
+        from ctypes.wintypes import DWORD  # type: ignore
+
+        stdout_handle = windll.kernel32.GetStdHandle(DWORD(-11))
+        mode = DWORD(0)
+        if not windll.kernel32.GetConsoleMode(stdout_handle, byref(mode)):
+            raise WinError()
+        mode = DWORD(mode.value | 4)
+        if not windll.kernel32.SetConsoleMode(stdout_handle, mode):
+            raise WinError()
+    except Exception as e:
+        methods._colorize = False
+        methods.print_error(f"Failed to enable ANSI escape code support, disabling color output.\n{e}")
 
 # For the reference:
 # - CCFLAGS are compilation flags shared between C and C++