def start()

in gym_hil/wrappers/intervention_utils.py [0:0]

• 24 lines of code
• 3 McCabe index (conditional complexity)

    def start(self):
        """Connect to the gamepad using HIDAPI."""
        import hid

        self.device_info = self.find_device()
        if not self.device_info:
            self.running = False
            return

        try:
            print(f"Connecting to gamepad at path: {self.device_info['path']}")
            self.device = hid.device()
            self.device.open_path(self.device_info["path"])
            self.device.set_nonblocking(1)

            manufacturer = self.device.get_manufacturer_string()
            product = self.device.get_product_string()
            print(f"Connected to {manufacturer} {product}")

            print("Gamepad controls (HID mode):")
            print("  Left analog stick: Move in X-Y plane")
            print("  Right analog stick: Move in Z axis (vertical)")
            print("  Button 1/B/Circle: Exit")
            print("  Button 2/A/Cross: End episode with SUCCESS")
            print("  Button 3/X/Square: End episode with FAILURE")

        except OSError as e:
            print(f"Error opening gamepad: {e}")
            print("You might need to run this with sudo/admin privileges on some systems")
            self.running = False