def main():
# install a signal handler so the script can stop safely
def signal_handler(signum, frame):
signal.signal(signal.SIGINT, signal.SIG_IGN)
signal.signal(signal.SIGTERM, signal.SIG_IGN)
if tty_fd:
os.close(tty_fd)
if SDL_WasInit(SDL_INIT_JOYSTICK) == SDL_INIT_JOYSTICK:
SDL_QuitSubSystem(SDL_INIT_JOYSTICK)
SDL_Quit()
LOG.debug(f'{sys.argv[0]} exiting cleanly')
sys.exit(0)
debug_flag, hex_chars = parse_arguments(sys.argv)
if debug_flag:
LOG.setLevel(logging.DEBUG)
signal.signal(signal.SIGINT, signal_handler)
signal.signal(signal.SIGTERM, signal_handler)
# daemonize after signal handlers are registered
if os.fork():
os._exit(0)
try:
tty_fd = os.open('/dev/tty', os.O_WRONLY)
except IOError:
LOG.error('Unable to open /dev/tty', file=sys.stderr)
sys.exit(1)
curses.setupterm()
mapped_chars = [
get_hex_chars(code) for code in hex_chars
if get_hex_chars(code) is not None
]
def_buttons = [
'left', 'right', 'up', 'down', 'a', 'b', 'x', 'y', 'pageup', 'pagedown'
]
joy_map = {}
# add for each button the mapped keycode, based on the arguments received
for i, btn in enumerate(def_buttons):
if i < len(mapped_chars):
joy_map[btn] = mapped_chars[i]
menu_swap = ra_btn_swap_config()
# if button A is <enter> and menu_swap_ok_cancel_buttons is true, swap buttons A and B functions
if menu_swap \
and 'a' in joy_map.keys() \
and 'b' in joy_map.keys() \
and joy_map['a'] == '\n':
joy_map['a'] = joy_map['b']
joy_map['b'] = '\n'
# tell SDL that we don't want to grab and lock the keyboard
os.environ['SDL_INPUT_LINUX_KEEP_KBD'] = '1'
# disable the HIDAPI joystick driver in SDL
if not (SDL_USE_HIDAPI):
os.environ['SDL_JOYSTICK_HIDAPI'] = '0'
# tell SDL to not add any signal handlers for TERM/INT
os.environ['SDL_NO_SIGNAL_HANDLERS'] = '1'
configs = get_all_ra_config(def_buttons)
if SDL_Init(SDL_INIT_JOYSTICK | SDL_INIT_VIDEO) < 0:
LOG.error(f'Error in SDL_Init: {SDL_GetError()}')
exit(2)
if LOG.isEnabledFor(logging.DEBUG):
sdl_ver = version.SDL_version()
version.SDL_GetVersion(byref(sdl_ver))
wrapper_version = '.'.join(str(i) for i in version_info)
LOG.debug(
f'Using SDL Version {sdl_ver.major}.{sdl_ver.minor}.{sdl_ver.patch}, PySDL2 version {wrapper_version}'
)
if joystick.SDL_NumJoysticks() < 1:
LOG.debug(f'No available joystick devices found on startup')
event_loop(configs, joy_map, tty_fd)
SDL_QuitSubSystem(SDL_INIT_JOYSTICK)
SDL_Quit()
return 0
def test_SDL_NumJoysticks(self):
retval = joystick.SDL_NumJoysticks()
self.assertGreaterEqual(retval, 0)
def setup_class(cls):
SDL_Init(SDL_INIT_JOYSTICK)
num = joystick.SDL_NumJoysticks()
if num < 1:
pytest.skip("no available joystick devices")
cls.jcount = num
def setUpClass(cls):
if SDL_Init(SDL_INIT_JOYSTICK) != 0:
raise unittest.SkipTest('Joystick subsystem not supported')
cls.jcount = joystick.SDL_NumJoysticks()
def test_SDL_NumJoysticks():
if SDL_Init(SDL_INIT_JOYSTICK) != 0:
pytest.skip("joystick subsystem not supported")
retval = joystick.SDL_NumJoysticks()
SDL_Quit()
assert retval >= 0