def main():
"""Print out information about all discovered devices."""
try:
discover()
print(f"Discovered devices: {'(None)' if not devices else ''}")
for device in devices.values():
print(device)
finally:
cleanup()
def setup(hass: HomeAssistant, config: ConfigType) -> bool:
"""Initialize the numato integration.
Discovers available Numato devices and loads the binary_sensor, sensor and
switch platforms.
Returns False on error during device discovery (e.g. duplicate ID),
otherwise returns True.
No exceptions should occur, since the platforms are initialized on a best
effort basis, which means, errors are handled locally.
"""
hass.data[DOMAIN] = config[DOMAIN]
try:
gpio.discover(config[DOMAIN][CONF_DISCOVER])
except gpio.NumatoGpioError as err:
_LOGGER.info("Error discovering Numato devices: %s", err)
gpio.cleanup()
return False
_LOGGER.info(
"Initializing Numato 32 port USB GPIO expanders with IDs: %s",
", ".join(str(d) for d in gpio.devices),
)
hass.data[DOMAIN][DATA_API] = NumatoAPI()
def cleanup_gpio(event):
"""Stuff to do before stopping."""
_LOGGER.debug("Clean up Numato GPIO")
gpio.cleanup()
if DATA_API in hass.data[DOMAIN]:
hass.data[DOMAIN][DATA_API].ports_registered.clear()
def prepare_gpio(event):
"""Stuff to do when home assistant starts."""
_LOGGER.debug("Setup cleanup at stop for Numato GPIO")
hass.bus.listen_once(EVENT_HOMEASSISTANT_STOP, cleanup_gpio)
hass.bus.listen_once(EVENT_HOMEASSISTANT_START, prepare_gpio)
load_platform(hass, Platform.BINARY_SENSOR, DOMAIN, {}, config)
load_platform(hass, Platform.SENSOR, DOMAIN, {}, config)
load_platform(hass, Platform.SWITCH, DOMAIN, {}, config)
return True
def setup(opp, config):
"""Initialize the numato integration.
Discovers available Numato devices and loads the binary_sensor, sensor and
switch platforms.
Returns False on error during device discovery (e.g. duplicate ID),
otherwise returns True.
No exceptions should occur, since the platforms are initialized on a best
effort basis, which means, errors are handled locally.
"""
opp.data[DOMAIN] = config[DOMAIN]
try:
gpio.discover(config[DOMAIN][CONF_DISCOVER])
except gpio.NumatoGpioError as err:
_LOGGER.info("Error discovering Numato devices: %s", err)
gpio.cleanup()
return False
_LOGGER.info(
"Initializing Numato 32 port USB GPIO expanders with IDs: %s",
", ".join(str(d) for d in gpio.devices),
)
opp.data[DOMAIN][DATA_API] = NumatoAPI()
def cleanup_gpio(event):
"""Stuff to do before stopping."""
_LOGGER.debug("Clean up Numato GPIO")
gpio.cleanup()
if DATA_API in opp.data[DOMAIN]:
opp.data[DOMAIN][DATA_API].ports_registered.clear()
def prepare_gpio(event):
"""Stuff to do when open peer power starts."""
_LOGGER.debug("Setup cleanup at stop for Numato GPIO")
opp.bus.listen_once(EVENT_OPENPEERPOWER_STOP, cleanup_gpio)
opp.bus.listen_once(EVENT_OPENPEERPOWER_START, prepare_gpio)
load_platform(opp, "binary_sensor", DOMAIN, {}, config)
load_platform(opp, "sensor", DOMAIN, {}, config)
load_platform(opp, "switch", DOMAIN, {}, config)
return True
def test_nothing_discovered():
gpio.discover(["/dev/__notexisting__"])
assert not gpio.devices
def test_regular_discover_return_none_device_found():
assert gpio.discover(["/dev/ttyACM0"]) is None
assert gpio.devices
