wip: Icinga check for Inkbird IBS-TH1 bluetooth sensors

from bluepy import btle
from bluepy.btle import BTLEException, Scanner, DefaultDelegate
import sys, getopt

# Argument 1: Mac Address
# Argument 2: BT Scan timeout in seconds (optional, default 8)
# Example: python3 check_inkbird_ibsth1.py 50:51:a9:7d:94:3b 5

opts, args = getopt.getopt(sys.argv, "")

if len(args) > 2:
    bttimeout = float(args[2])
else:
    bttimeout = 8.0

scanner = Scanner()
scanner.clear()
scanner.start()

try:
    scanner.process(timeout=bttimeout)
except:
    e = sys.exc_info()[0]

results = scanner.getDevices()

for dev in results:
    if dev.addr == args[1]:
        for (adtype, desc, value) in dev.getScanData():
            if adtype == 255:
                humidity = "%2.2f" % (int(value[6:8]+value[4:6], 16)/100)
                temperature = int(value[2:4]+value[:2], 16)
                temperature_bits = 16
                if temperature & (1 << (temperature_bits-1)):
                    temperature -= 1 << temperature_bits
                temperature = "%2.2f" % (temperature / 100)
                battery = str(int(value[14:16], 16))

                print("Temperature: " + temperature + "°C, Humidity: " + humidity + "%, Battery: " + battery + "% |'temperature_celsius'=" + temperature + " 'humidity_percent'=" + humidity + " 'battery_percent'=" + battery)