Interactive way of selecting which compute devices to use when background rendering with Blender

Devices.py

import cycles
import bpy
import sys

# blender -b file.blend -o output_folder/frame_ -P Devices.py

preferences = bpy.context.preferences
cycles_preferences = preferences.addons["cycles"].preferences
cycles_preferences.refresh_devices()

devices = cycles_preferences.devices

def list_enum(enum):
	return [opt[0] for opt in enum]


def print_devices():
	print("Devices:")
	for device in devices:
		print(f"   [{device.id}]<{device.type}> \"{device.name}\" Using: {device.use}")

	print(f"Compute device type: {cycles_preferences.compute_device_type}")
	print(f"Cycles device: {bpy.context.scene.cycles.device}")


def select_devices():
	if not devices:
		raise RuntimeError("Unsupported device type")

	for device in devices:
		if "y" in input(f"[{device.id}]<{device.type}> \"{device.name}\" Use device? (y/N): ").lower():
			device.use = True
		else:
			device.use = False

	
	cycles_preferences.compute_device_type = input(f"Select the preferred compute device [{', '.join(list_enum(cycles.properties.enum_device_type))}]: ").upper()
	bpy.context.scene.cycles.device = input(f"Select the compute device type [{', '.join(list_enum(cycles.properties.enum_devices))}]: ").upper()


def main():
	assert sys.stdin, "sys.stdin should be available (is the script running using the --python/-P argument?)"

	select_devices()
	print_devices()


if __name__ == "__main__":
	main()