From e22eea056dcdf466fe6c4542d3a756a52e1fb549 Mon Sep 17 00:00:00 2001
From: NewSoupVi <57900059+NewSoupVi@users.noreply.github.com>
Date: Thu, 13 Jun 2024 18:08:28 +0200
Subject: [PATCH] Also add validation to the NamedRange class itself

---
 Options.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Options.py b/Options.py
index 40a6996d32..83b6a4162a 100644
--- a/Options.py
+++ b/Options.py
@@ -735,6 +735,11 @@ class NamedRange(Range):
         elif value > self.range_end and value not in self.special_range_names.values():
             raise Exception(f"{value} is higher than maximum {self.range_end} for option {self.__class__.__name__} " +
                             f"and is also not one of the supported named special values: {self.special_range_names}")
+
+        for key in self.special_range_names:
+            if key != key.lower() or " " in key:
+                raise Exception(f"{self.__class__.__name__} has an invalid special_range_names key: {key}. "
+                                f"NamedRange keys must use only lowercase letters and underscores.")
         self.value = value
 
     @classmethod