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ZigBee: Handle case in which Serial port is unable to open

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This commit is contained in:
Flyte 2016-01-29 10:47:28 +00:00
parent 4045fb6862
commit 72cca0a91a
1 changed files with 9 additions and 2 deletions
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11
homeassistant/components/zigbee.py
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@ -6,6 +6,7 @@ Sets up and provides access to a ZigBee device and contains generic entity
classes.
"""
import logging
from binascii import unhexlify
from homeassistant.core import JobPriority
@ -30,6 +31,8 @@ ADC_PERCENTAGE = None
DEVICE = None
_LOGGER = logging.getLogger(__name__)
def setup(hass, config):
"""
@ -43,7 +46,7 @@ def setup(hass, config):
import xbee_helper.const as xb_const
from xbee_helper import ZigBee
from serial import Serial
from serial import Serial, SerialException
GPIO_DIGITAL_OUTPUT_LOW = xb_const.GPIO_DIGITAL_OUTPUT_LOW
GPIO_DIGITAL_OUTPUT_HIGH = xb_const.GPIO_DIGITAL_OUTPUT_HIGH
@ -51,7 +54,11 @@ def setup(hass, config):
usb_device = config[DOMAIN].get(CONF_DEVICE, DEFAULT_DEVICE)
baud = int(config[DOMAIN].get(CONF_BAUD, DEFAULT_BAUD))
ser = Serial(usb_device, baud)
try:
ser = Serial(usb_device, baud)
except SerialException as exc:
_LOGGER.exception("Unable to open serial port for ZigBee: %s", exc)
return False
DEVICE = ZigBee(ser)
hass.bus.listen_once(EVENT_HOMEASSISTANT_STOP, close_serial_port)
return True