From c2faaee0f54dbb8abdbde60ee2f89b0d124d2d99 Mon Sep 17 00:00:00 2001
From: lorenzo132 <lhoorn4@gmail.com>
Date: Sat, 1 Aug 2026 14:38:37 +0200
Subject: [PATCH 1/3] Fix freply crash on unmatched braces

---
 core/models.py | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/core/models.py b/core/models.py
index c7d1e79599..5265a84ab5 100644
--- a/core/models.py
+++ b/core/models.py
@@ -359,6 +359,31 @@ class _Default:
 
 
 class SafeFormatter(Formatter):
+    _FIELD_PATTERN = re.compile(r"(?<!{)\{[^{}]+\}(?!})")
+    _UNMATCHED_BRACE_ERRORS = {
+        "Single '{' encountered in format string",
+        "Single '}' encountered in format string",
+        "expected '}' before end of string",
+    }
+
+    def format(self, format_string, /, *args, **kwargs):
+        try:
+            return super().format(format_string, *args, **kwargs)
+        except ValueError as exc:
+            if str(exc) not in self._UNMATCHED_BRACE_ERRORS:
+                raise
+
+        # A malformed literal brace makes Formatter reject the entire message.
+        # Format complete fields individually so the remaining text can still
+        # be sent as written.
+        def format_field(match):
+            try:
+                return Formatter.format(self, match.group(), *args, **kwargs)
+            except ValueError:
+                return match.group()
+
+        return self._FIELD_PATTERN.sub(format_field, format_string)
+
     def get_field(self, field_name, args, kwargs):
         first, rest = _string.formatter_field_name_split(field_name)
 

From edb74a6c47cc700af7674e1be12d160a68215d91 Mon Sep 17 00:00:00 2001
From: lorenzo132 <50767078+lorenzo132@users.noreply.github.com>
Date: Sat, 1 Aug 2026 14:47:15 +0200
Subject: [PATCH 2/3] Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
Signed-off-by: lorenzo132 <50767078+lorenzo132@users.noreply.github.com>
---
 core/models.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/models.py b/core/models.py
index 5265a84ab5..b380efcffc 100644
--- a/core/models.py
+++ b/core/models.py
@@ -364,8 +364,8 @@ class SafeFormatter(Formatter):
         "Single '{' encountered in format string",
         "Single '}' encountered in format string",
         "expected '}' before end of string",
+        "unexpected '{' in field name",
     }
-
     def format(self, format_string, /, *args, **kwargs):
         try:
             return super().format(format_string, *args, **kwargs)

From 81d907e125f0e46b3e2f7c93b03a6c3279eecaf8 Mon Sep 17 00:00:00 2001
From: lorenzo132 <lhoorn4@gmail.com>
Date: Sat, 1 Aug 2026 14:53:28 +0200
Subject: [PATCH 3/3] fix ci

---
 core/models.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/core/models.py b/core/models.py
index b380efcffc..8f71c3f4ee 100644
--- a/core/models.py
+++ b/core/models.py
@@ -366,6 +366,7 @@ class SafeFormatter(Formatter):
         "expected '}' before end of string",
         "unexpected '{' in field name",
     }
+
     def format(self, format_string, /, *args, **kwargs):
         try:
             return super().format(format_string, *args, **kwargs)