From faa4046fecaf3d56744bf98239072dab9b5e8f57 Mon Sep 17 00:00:00 2001
From: Mizev Andrew <150728785+carpalsgrabby@users.noreply.github.com>
Date: Tue, 25 Nov 2025 09:53:15 +0100
Subject: [PATCH] Add --quiet-errors to suppress per-fanout error spam

---
 sweep_layouts.py | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/sweep_layouts.py b/sweep_layouts.py
index 159ea49..a90c953 100644
--- a/sweep_layouts.py
+++ b/sweep_layouts.py
@@ -64,6 +64,12 @@ def parse_args() -> argparse.Namespace:
         action="store_true",
         help="Also dump raw JSON lines for each configuration.",
     )
+    p.add_argument(
+        "--quiet-errors",
+        action="store_true",
+        help="Suppress per-fanout error messages from app.py.",
+    )
+
     return parser.parse_args()
 
 
@@ -146,8 +152,10 @@ def main() -> None:
         for fanout in args.fanouts:
             try:
                 data = run_app(app_path, leaves, args.style, fanout)
-            except Exception as e:  # noqa: BLE001
-                print(f"ERROR: {e}", file=sys.stderr)
+                  except Exception as e:  # noqa: BLE001
+            if not args.quiet_errors:
+                print(f"ERROR for fanout={f}: {e}", file=sys.stderr)
+
                 continue
 
             # keys are based on README description; tweak if you change app.py