Finds Fieldfox units on the LAN

foxhunter.py

import socket
import threading
import re

class FoxHunter(threading.Thread):
    def __init__(self):
        threading.Thread.__init__(self)
        self.name = 'thread_FoxHunter'
        self.units = []
        self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
        self.sock.bind(('', 987))
        
    def run(self):
        packet = self.sock.recvfrom(1024)
        ip = packet[1][0]
        data = packet[1].decode('utf-8', errors = 'ignore')
        
        re_id = re.search(r'i\.MX31 SOM\-LV(\W+)(\w+)\;(\w+)\;', data)
        if re_id:
            info = dict()
            
            model = re_id.group(2)
            serial = re_id.group(3)
            
            info['model'] = model
            info['serial'] = serial
            info['ip'] = ip           
            
            print('Found model ' + model + ' at ' + ip + ' - Serial ' + serial)
            
    def add_unit(self, info):
        for check in self.units:
            if check['ip'] == info['ip']:
                return
            else:
                self.units.append(info)
                break
                
    def get_units(self):
        return self.units
        
foxh = FoxHunter()
foxh.run()