fix(python): correct BarometerData field types to scalars

PythonClient/airsim/types.py

@@ -428,9 +428,9 @@ class ImuData(MsgpackMixin):
 
 class BarometerData(MsgpackMixin):
     time_stamp = np.uint64(0)
-    altitude = Quaternionr()
-    pressure = Vector3r()
-    qnh = Vector3r()
+    altitude = 0.0  # meters (matches BarometerBase::Output)
+    pressure = 0.0  # Pascal
+    qnh = 0.0
 
 class MagnetometerData(MsgpackMixin):
     time_stamp = np.uint64(0)

PythonClient/tests/test_barometer_data_types.py

@@ -0,0 +1,53 @@
+"""Offline checks for BarometerData scalars (no AirSim sim required)."""
+from __future__ import annotations
+
+import importlib.util
+import math
+import sys
+import types
+import unittest
+from pathlib import Path
+
+
+def _load_types():
+    # Stub msgpackrpc so types.py imports cleanly without the RPC package.
+    if "msgpackrpc" not in sys.modules:
+        sys.modules["msgpackrpc"] = types.ModuleType("msgpackrpc")
+    root = Path(__file__).resolve().parents[1] / "airsim" / "types.py"
+    spec = importlib.util.spec_from_file_location("airsim_types_under_test", root)
+    mod = importlib.util.module_from_spec(spec)
+    assert spec.loader is not None
+    spec.loader.exec_module(mod)
+    return mod
+
+
+class TestBarometerDataTypes(unittest.TestCase):
+    @classmethod
+    def setUpClass(cls):
+        cls.types = _load_types()
+
+    def test_defaults_are_real_scalars(self):
+        b = self.types.BarometerData()
+        self.assertIsInstance(b.altitude, float)
+        self.assertIsInstance(b.pressure, float)
+        self.assertIsInstance(b.qnh, float)
+        self.assertTrue(math.isfinite(b.altitude))
+        self.assertTrue(math.isfinite(b.pressure))
+        self.assertTrue(math.isfinite(b.qnh))
+        # Must not be pose-like defaults (historical bug).
+        self.assertFalse(isinstance(b.altitude, self.types.Quaternionr))
+        self.assertFalse(isinstance(b.pressure, self.types.Vector3r))
+        self.assertFalse(isinstance(b.qnh, self.types.Vector3r))
+
+    def test_assign_numeric_values(self):
+        b = self.types.BarometerData()
+        b.altitude = 120.5
+        b.pressure = 101325.0
+        b.qnh = 1013.25
+        self.assertEqual(b.altitude, 120.5)
+        self.assertEqual(b.pressure, 101325.0)
+        self.assertAlmostEqual(b.qnh, 1013.25)
+
+
+if __name__ == "__main__":
+    unittest.main()