Export missing defaults when set False

.vscode/launch.json

@@ -4,6 +4,7 @@
   // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
   "version": "0.2.0",
   "configurations": [
+
     {
       "name": "meshtastic BLE",
       "type": "debugpy",
@@ -261,7 +262,14 @@
       "module": "meshtastic",
       "justMyCode": true,
       "args": ["--nodes", "--show-fields", "AKA,Pubkey,Role,Role,Role,Latitude,Latitude,deviceMetrics.voltage"]
-    }
-
+    },
+    {
+      "name": "meshtastic --export-config",
+      "type": "debugpy",
+      "request": "launch",
+      "module": "meshtastic",
+      "justMyCode": true,
+      "args": ["--export-config", "config.json"]
+    },
   ]
 }

meshtastic/__main__.py

@@ -1122,11 +1122,32 @@ def subscribe() -> None:
 
     # pub.subscribe(onNode, "meshtastic.node")
 
+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:
+        d = config_dict
+        for key in path[:-1]:
+            if key not in d or not isinstance(d[key], dict):
+                d[key] = {}
+            d = d[key]
+        if path[-1] not in d:
+            d[path[-1]] = False
 
 def export_config(interface) -> str:
     """used in --export-config"""
     configObj = {}
 
+    # A list of configuration keys that should be set to False if they are missing
+    true_defaults = {
+        ("bluetooth", "enabled"),
+        ("lora", "sx126xRxBoostedGain"),
+        ("lora", "txEnabled"),
+        ("lora", "usePreset"),
+        ("position", "positionBroadcastSmartEnabled"),
+        ("security", "serialEnabled"),
+        ("mqtt", "encryptionEnabled"),
+    }
+
     owner = interface.getLongName()
     owner_short = interface.getShortName()
     channel_url = interface.localNode.getURL()
@@ -1185,6 +1206,8 @@ def export_config(interface) -> str:
         else:
             configObj["config"] = config
 
+        set_missing_flags_false(configObj["config"], true_defaults)
+
     module_config = MessageToDict(interface.localNode.moduleConfig)
     if module_config:
         # Convert inner keys to correct snake/camelCase

meshtastic/tests/test_main.py

@@ -18,6 +18,7 @@
     onNode,
     onReceive,
     tunnelMain,
+    set_missing_flags_false,
 )
 from meshtastic import mt_config
 
@@ -1897,6 +1898,41 @@ def test_main_export_config(capsys):
 #        mo.assert_called()
 
 
+@pytest.mark.unit
+def test_set_missing_flags_false():
+    """Test set_missing_flags_false() function"""
+    config = {
+        "bluetooth": {
+            "enabled": True
+        },
+        "lora": {
+            "txEnabled": True
+        }
+    }
+
+    false_defaults = {
+        ("bluetooth", "enabled"),
+        ("lora", "sx126xRxBoostedGain"),
+        ("lora", "txEnabled"),
+        ("lora", "usePreset"),
+        ("position", "positionBroadcastSmartEnabled"),
+        ("security", "serialEnabled"),
+        ("mqtt", "encryptionEnabled"),
+    }
+
+    set_missing_flags_false(config, false_defaults)
+
+    # Preserved
+    assert config["bluetooth"]["enabled"] is True
+    assert config["lora"]["txEnabled"] is True
+
+    # Added
+    assert config["lora"]["usePreset"] is False
+    assert config["lora"]["sx126xRxBoostedGain"] is False
+    assert config["position"]["positionBroadcastSmartEnabled"] is False
+    assert config["security"]["serialEnabled"] is False
+    assert config["mqtt"]["encryptionEnabled"] is False
+
 @pytest.mark.unit
 @pytest.mark.usefixtures("reset_mt_config")
 def test_main_gpio_rd_no_gpio_channel(capsys):