Settings loader, pass error messages to exception raise

So we can get the actual error message in the exception if logging is all off

src/corelibs/config_handling/settings_loader.py

@@ -53,6 +53,9 @@ class SettingsLoader:
         # for check settings, abort flag
         self.__check_settings_abort: bool = False
 
+        # error messages for raise ValueError
+        self.__error_msg: list[str] = []
+
     # MARK: load settings
     def load_settings(
         self,
@@ -273,7 +276,12 @@ class SettingsLoader:
                     error = True
                     self.__print(f"[!] Missing content entry for: {entry}", 'ERROR')
         if error is True:
-            raise ValueError(self.__print("[!] Missing or incorrect settings data. Cannot proceed", 'CRITICAL'))
+            raise ValueError(
+                self.__print(
+                    "[!] Missing or incorrect settings data. Cannot proceed: " + "; ".join(self.__error_msg),
+                    'CRITICAL'
+                )
+            )
         # set empty
         for [entry, empty_set] in entry_set_empty.items():
             # if set, skip, else set to empty value
@@ -567,6 +575,9 @@ class SettingsLoader:
         if self.log is None or self.always_print:
             if print_error:
                 print(msg)
+        if level == 'ERROR':
+            # remove any prefix [!] for error message list
+            self.__error_msg.append(msg.replace('[!] ', '').strip())
         return msg
 
 

test-run/config_handling/config/settings.ini

@@ -37,3 +37,6 @@ email_bad=gii@bar.com
 [LoadTest]
 a.b.c=foo
 d:e:f=bar
+
+[ErrorTest]
+some_value=42

test-run/config_handling/settings_loader.py

@@ -125,6 +125,20 @@ def main():
     except ValueError as e:
         print(f"Could not load settings: {e}")
 
+    try:
+        config_load = 'ErrorTest'
+        config_data = sl.load_settings(
+            config_load,
+            {
+                "some_value": [
+                    "check:string.email.basic",
+                ],
+            }
+        )
+        print(f"[{config_load}] Load: {config_load} -> {dump_data(config_data)}")
+    except ValueError as e:
+        print(f"Could not load settings: {e}")
+
 
 if __name__ == "__main__":
     main()