def main(args, data_logger):
devices = []
try:
if args.devices is not None:
devices = files.read_device_list(args.devices)
except FileNotFoundError:
LOGGER.error(f'No such file: {args.devices}')
except ValueError:
LOGGER.error(f'Failed to parse device list')
win = MainWindow(devices, data_logger)
win.connect('destroy', Gtk.main_quit)
if args.profile is not None:
win.set_profile(args.profile, None)
win.show_all()
Gtk.main()