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Add authentication arguments #3

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Add authentication arguments #3

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14 changes: 12 additions & 2 deletions i2c2mqtt.py
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Original file line number Diff line number Diff line change
Expand Up @@ -80,19 +80,29 @@ def getI2cSensors(devices):
help='The MQTT topic on which to publish the message (if it was a success).')
parser.add_argument('-T', '--topic-error', dest='topicError', action="store", default="error/sensor/i2c", metavar="TOPIC",
help='The MQTT topic on which to publish the message (if it wasn\'t a success).')
parser.add_argument('-u', '--username', metavar="USERNAME",
help='Username to log into the mqtt broker')
parser.add_argument('-p', '--password', metavar="PASSWORD",
help='Password to log into the mqtt broker')
parser.add_argument('-P', '--port', default=1883, metavar="PORT",
help='Port for the mqtt broker')
parser.add_argument('-v', '--verbose', dest='verbose', action="store_true", default=False,
help='Enable debug messages.')

args = parser.parse_args()
verbose = args.verbose;

mqtt_auth = None
if args.username:
mqtt_auth = {'username': args.username, 'password': args.password}

status, data = getI2cSensors(args.devices)
jsonString = json.dumps(data)
if status:
debug("Success with message (for current readings) <{0}>".format(jsonString))
if not args.dryRun:
publish.single(args.topic, jsonString, hostname=args.host)
publish.single(args.topic, jsonString, hostname=args.host, auth=mqtt_auth, port=args.port)
else:
debug("Failure with message <{0}>".format(jsonString))
if not args.dryRun:
publish.single(args.topicError, jsonString, hostname=args.host)
publish.single(args.topicError, jsonString, hostname=args.host, auth=mqtt_auth, port=args.port)