Discover Daikin devices in LAN

daikin udp discover.py

import socket
import urllib.parse

ADAPTER_TYPE =  {
    "2": "DX2",
    "3": "DX3",
    "4": "DX4",
}
DEVICE_TYPE = {
    "NA": "Unknown",
    "1D": "AirPurifier",
    "RA": "RoomAirco",
    "PA": "MiniVRV"
}
REGION_CODE = {
    "au": "Australia",
    "th": "Aziose",
    "eu": "Europe",
    "jp": "Japan",
    "us": "NorthAmerica"
}
USAGE_METHODS = {
    "home only": "LocalNetworkDX23",
    "home_only": "LocalNetworkDX4",
    "polling": "Cloud"
}

bcast_msg = b"DAIKIN_UDP/common/basic_info"

sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.bind(("0.0.0.0", 6125))
sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
sock.sendto(bcast_msg, ("255.255.255.255", 30050))
sock.settimeout(1)
while True:
    try:
        resp, addr = sock.recvfrom(2048)
        resp_dec = resp.decode("utf-8")
        split_pairs = [pair_str.split("=") for pair_str in resp_dec.split(",")]
        print("Device at", addr[0])
        for key, value in split_pairs:
            if key == "adp_kind":
                print(f"{key} = {value} ({ADAPTER_TYPE.get(value, 'Unknown')})")
            elif key == "cdev":
                print(f"{key} = {value} ({DEVICE_TYPE.get(value, 'Unknown')})")
            elif key == "reg":
                print(f"{key} = {value} ({REGION_CODE.get(value, 'Unknown')})")
            elif key == "method":
                print(f"{key} = {value} ({USAGE_METHODS.get(value, 'Unknown')})")
            elif key == "name":
                name = urllib.parse.unquote(value)
                print(f"{key} = {value} ({name})")
            else:
                print(f"{key} = {value}")
        print()
    except TimeoutError:
        break