Add water temperature property

blueye/sdk/drone.py

@@ -497,3 +497,16 @@ def ping(self, timeout: float = 1.0):
         Raises a ResponseTimeout exception if the drone does not respond within the timeout period.
         """
         self._req_rep_client.ping(timeout)
+
+    @property
+    def water_temperature(self) -> Optional[float]:
+        """Get the water temperature in degrees Celsius
+
+        *Returns*:
+
+        * temperature (float): The water temperature in degrees Celsius
+        """
+        water_temperature_tel = self.telemetry.get(blueye.protocol.WaterTemperatureTel)
+        if water_temperature_tel is None:
+            return None
+        return water_temperature_tel.temperature.value

tests/test_sdk.py

@@ -288,3 +288,15 @@ def test_get_deserializer(self, mocked_drone):
         mocked_drone._telemetry_watcher._state[bp.DepthTel] = depth_tel_serialized
         assert mocked_drone.telemetry.get(bp.DepthTel, deserialize=True) == depth_tel
         assert mocked_drone.telemetry.get(bp.DepthTel, deserialize=False) == depth_tel_serialized
+
+
+def test_water_temperature_returns_expected_value(mocked_drone):
+    water_temp = 10.5
+    water_temp_tel = bp.WaterTemperatureTel(temperature={"value": water_temp})
+    water_temp_tel_serialized = bp.WaterTemperatureTel.serialize(water_temp_tel)
+    mocked_drone._telemetry_watcher._state[bp.WaterTemperatureTel] = water_temp_tel_serialized
+    assert mocked_drone.water_temperature == water_temp
+
+
+def test_water_temperature_returns_none_on_missing_telemetry(mocked_drone):
+    assert mocked_drone.water_temperature is None