Python Wake on LAN

#!/usr/bin/python
# A Wake on LAN program that allows you to send magic packets over the Internet
# needs python >= 3.6
import socket, struct, argparse


class WakeOnLan():
    def _makeMagicPacket(self, mac_address_str: str) -> bytes:
        # Take the entered MAC address and format it to be sent via socket
        mac_address = mac_address_str.split(':')
        mac_address_hex = [int(ma, 16) for ma in mac_address]
    
        # Pack together the sections of the MAC address as binary hex
        mac_address_binary = struct.pack('BBBBBB', *mac_address_hex)
    
        #create the magic packet from MAC address
        magic_packet = b'\xff' * 6 + mac_address_binary * 16
        return magic_packet
        
    def sendMagicPacket(self, to_mac_address: str, broadcast_ip: str, *, broadcast_port: int = 7) -> None:
        magic_packet = self._makeMagicPacket(to_mac_address)

        conn = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
        conn.sendto(magic_packet, (broadcast_ip, broadcast_port))
        conn.close()

        print(f'Magic Packet successfully sent to {to_mac_address}')

    # Alias
    send = sendMagicPacket


if __name__ == '__main__':
    parser = argparse.ArgumentParser()
    parser.add_argument('to_mac_address', help='mac address of the target device, example: 00:11:22:33:44:55')
    parser.add_argument('broadcast_ip', help='broadcast IP, example: 192.168.0.255')
    parser.add_argument('-p', '--broadcast_port', '--port', default=7, type=int, help='broadcast Port')
    args = parser.parse_args()

    WakeOnLan().send(
        to_mac_address=args.to_mac_address,
        broadcast_ip=args.broadcast_ip,
        broadcast_port=args.broadcast_port,
    )