amazon-button-doorbell-osx.py

# samliu@'s Amazon Button Doorbell!
#
# OS X only. Uses AppleScript to play a track from Spotify and "say" tts to
# inform you that someone's at the door. You should have Spotify installed.
#
# Based on example from: http://bit.ly/1WFAPAb

# Your Button's MAC Address.
BUTTON1_MAC_ADDRESS = "00:00:00:00:00:00"

# Your name(s).
NAMES = "Sam and Shanu"

# This is "Knock Knock - Mac Miller"
# Please suggest better doorbell songs...
DOORBELL_SONG = "spotify:track:3uYm4MtU6jUQft2DtGqEoZ"

# requirements.txt: scapy, pypcap, dnet
from datetime import datetime
from scapy.all import *
import os

def play_spotify_track(track_id):
    cmd = '''osascript -e 'tell application "Spotify"' -e 'play track "''' + \
        track_id + '''"' -e "end tell"'''
    os.system(cmd)


def arp_display(pkt):
    # who-has.
    if pkt[ARP].op == 1:
        # ARP Probe.
        if pkt[ARP].psrc == '0.0.0.0':
            if pkt[ARP].hwsrc == BUTTON1_MAC_ADDRESS:
                print "Someone's at the door! " + str(datetime.now())
                play_spotify_track(DOORBELL_SONG)
                os.system('say "Hello ' + NAMES + ', someone is at the door!"')
                os.system('sleep 2')
                os.system('say "Did you get the door? Get the door!"')
                os.system('sleep 4')
                os.system('say "Welcome to our home!"')
                print "Hopefully you got the door. Waiting for next ring...\n"
            else:
                print "ARP Probe from unknown device: " + pkt[ARP].hwsrc

if __name__ == "__main__":
    print "Listening for doorbell..."
    print sniff(prn=arp_display, filter="arp", store=0, count=0)