Merge pull request #908 from pdxlocations/fix-label-error

Fix: Update repeated field checks to use is_repeated property

meshtastic/__main__.py

@@ -158,11 +158,11 @@ def getPref(node, comp_name) -> bool:
         config_values = getattr(config, config_type.name)
         if not wholeField:
             pref_value = getattr(config_values, pref.name)
-            repeated = pref.label == pref.LABEL_REPEATED
+            repeated = _is_repeated_field(pref)
             _printSetting(config_type, uni_name, pref_value, repeated)
         else:
             for field in config_values.ListFields():
-                repeated = field[0].label == field[0].LABEL_REPEATED
+                repeated = _is_repeated_field(field[0])
                 _printSetting(config_type, field[0].name, field[1], repeated)
     else:
         # Always show whole field for remote node
@@ -253,7 +253,7 @@ def setPref(config, comp_name, raw_val) -> bool:
             return False
 
     # repeating fields need to be handled with append, not setattr
-    if pref.label != pref.LABEL_REPEATED:
+    if not _is_repeated_field(pref):
         try:
             if config_type.message_type is not None:
                 config_values = getattr(config_part, config_type.name)
@@ -1131,6 +1131,14 @@ def subscribe() -> None:
 
     # pub.subscribe(onNode, "meshtastic.node")
 
+def _is_repeated_field(field_desc) -> bool:
+    """Return True if the protobuf field is repeated. 
+       Protobuf 6.31.0 and later use an is_repeated property, while older versions compare against the label field.
+       """
+    if hasattr(field_desc, "is_repeated"):
+        return bool(field_desc.is_repeated)
+    return field_desc.label == field_desc.LABEL_REPEATED
+
 def set_missing_flags_false(config_dict: dict, true_defaults: set[tuple[str, str]]) -> None:
     """Ensure that missing default=True keys are present in the config_dict and set to False."""
     for path in true_defaults: