Something

#!/usr/bin/env python                                                                                                         import socket, sysclass UDPDumper:    def __init__(self, port):        self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)        self.sock.bind(('', port))        while True:            data, addr = self.sock.recvfrom(65536)            print 'Received packet from %s:' % `addr`            self.printPacket(data)    def printPacket(self, data):        for i in range(0, len(data), 16):            print '%08x |' % i,            for j in range(16):                if j == 8:                    print '',                if len(data) > i + j:                    print '%02X' % ord(data[i + j]),                else:                    print '  ',            sys.stdout.write(' | ')            for j in range(16):                if j == 8:                    print ' ',                if len(data) > i + j:                    c = data[i + j]                    if ord(c) > 31 and ord(c) < 127:                        sys.stdout.write(c)                    else:                        sys.stdout.write('.')                else:                    sys.stdout.write(' ')            print ''if __name__=='__main__':    UDPDumper(port=4242)