add backend logger

exts/stride.simulator/stride/simulator/backends/logger.py

@@ -1,26 +1,27 @@
 import carb
 
-import omni.kit.app
 from stride.simulator.backends.backend import Backend
 
+
 class Logger(Backend):
+    """
+    Logger backend that just prints the state of the vehicle to the console.
+    """
 
     def __init__(self, vehicle_id: int):
+        super().__init__()
         self._id = vehicle_id
 
-
     def update_state(self, state):
         """
         Method that handles the receival of the state of the vehicle. It just prints the state to the console.
         """
-
-        carb.log_info("Received state update for vehicle {}".format(self._id))
-        carb.log_info("Position: {}".format(state.position))
-        carb.log_info("Attitude: {}".format(state.attitude))
-        carb.log_info("Linear velocity: {}".format(state.linear_velocity))
-        carb.log_info("Angular velocity: {}".format(state.angular_velocity))
-        carb.log_info("Linear acceleration: {}".format(state.linear_acceleration))
-
+        carb.log_info(f"Received state update for vehicle {self._id}")
+        carb.log_info(f"Position: {state.position}")
+        carb.log_info(f"Attitude: {state.attitude}")
+        carb.log_info(f"Linear velocity: {state.linear_velocity}")
+        carb.log_info(f"Angular velocity: {state.angular_velocity}")
+        carb.log_info(f"Linear acceleration: {state.linear_acceleration}")
 
     def update_sensor(self, sensor_type: str, data):
         """
@@ -32,21 +33,18 @@ def update_sensor(self, sensor_type: str, data):
 
         # TODO: Add support for other sensors
 
-
     def update_imu_data(self, data):
         """
         Method that handles the receival of IMU data. It just prints the data to the console.
         """
-        carb.log_info("Received IMU data for vehicle {}".format(self._id))
-        carb.log_info("Angular velocity: {}".format(data["angular_velocity"]))
-        carb.log_info("Linear acceleration: {}".format(data["linear_acceleration"]))
-
+        carb.log_info(f"Received IMU data for vehicle {self._id}")
+        carb.log_info(f"Angular velocity: {data['angular_velocity']}")
+        carb.log_info(f"Linear acceleration: {data['linear_acceleration']}")
 
     def update(self, dt: float):
         """
         Method that update the state of the backend and the information being sent/received from the communication
         interface. This method will be called by the simulation on every physics steps.
         """
-
-        carb.log_info("Updating logger backend for vehicle {}".format(self._id))
-        carb.log_info("Time elapsed since last update: {}".format(dt))
+        carb.log_info(f"Updating logger backend for vehicle {self._id}")
+        carb.log_info(f"Time elapsed since last update: {dt}")