From 11706d1e4200aade2ab7971fca3b2de5e04f0e0b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mike=20F=C3=A4hrmann?= <mike_faehrmann@web.de>
Date: Sat, 11 Oct 2025 11:52:08 +0200
Subject: [PATCH] [formatter] improve error messages (#8369)

---
 gallery_dl/formatter.py | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/gallery_dl/formatter.py b/gallery_dl/formatter.py
index f9088d74..5246f663 100644
--- a/gallery_dl/formatter.py
+++ b/gallery_dl/formatter.py
@@ -40,7 +40,15 @@ def parse(format_string, default=NONE, fmt=format):
     else:
         cls = StringFormatter
 
-    formatter = _CACHE[key] = cls(format_string, default, fmt)
+    try:
+        formatter = _CACHE[key] = cls(format_string, default, fmt)
+    except Exception as exc:
+        import logging
+        logging.getLogger("formatter").error(
+            "Invalid format string '%s' (%s: %s)",
+            format_string, exc.__class__.__name__, exc)
+        raise
+
     return formatter