Fun script to print to console when device with matching mac address makes a DHCP request

wifesnooping.py

#!/usr/bin/env python3
import logging
logging.getLogger("scapy.runtime").setLevel(logging.ERROR)
from scapy.all import *
from datetime import datetime, timedelta
from twilio.rest import Client

account_sid = "<twilio account sid>"
auth_token  = "<twilio auth token>"
client = Client(account_sid, auth_token)

# Set last_seen way far back
last_seen = datetime.fromtimestamp(0)
alert_delay = timedelta(hours=2)

## Setup sniff, filtering for DHCP requests
try:
    while True:
        mac_address = sniff(iface="eth0", filter="port 67 or port 68", count=1)[Ether][0].src
        current_time = datetime.now()
        if mac_address == 'aa:bb:cc:dd:ee:ff':
            if current_time > last_seen + alert_delay:
                alert_text="Wife came online at {}".format(current_time.strftime("%c"))
                client.messages.create(
                    to="+11234567890",
                    from_="+12223334444",
                    body=alert_text
                )
        last_seen = current_time
except:
    raise SystemExit("Script was exited.")