Script to monitor Open Zwave events for ZRC90 scene control

zwave-events.py

#!/usr/bin/env python3
import socket
import requests
from subprocess import Popen, PIPE
import json

## line which as Node004 ZRC-90 command
# scene1
#2017-01-14 23:36:31.244 Detail, Node004,   Received: 0x01, 0x0b, 0x00, 0x04, 0x00, 0x04, 0x05, 0x5b, 0x03, 0x66, 0x00, 0x01, 0xce
# scene2
#2017-01-14 23:37:10.186 Detail, Node004,   Received: 0x01, 0x0b, 0x00, 0x04, 0x00, 0x04, 0x05, 0x5b, 0x03, 0x67, 0x00, 0x02, 0xcc
# scene3
#2017-01-14 23:38:08.028 Detail, Node004,   Received: 0x01, 0x0b, 0x00, 0x04, 0x00, 0x04, 0x05, 0x5b, 0x03, 0x68, 0x00, 0x03, 0xc2
# scene4
#2017-01-14 23:38:37.856 Detail, Node004,   Received: 0x01, 0x0b, 0x00, 0x04, 0x00, 0x04, 0x05, 0x5b, 0x03, 0x69, 0x00, 0x04, 0xc4
# scene5
#2017-01-14 23:39:00.205 Detail, Node004,   Received: 0x01, 0x0b, 0x00, 0x04, 0x00, 0x04, 0x05, 0x5b, 0x03, 0x6a, 0x00, 0x05, 0xc6
# scene6
#2017-01-14 23:40:09.976 Detail, Node004,   Received: 0x01, 0x0b, 0x00, 0x04, 0x00, 0x04, 0x05, 0x5b, 0x03, 0x6b, 0x00, 0x06, 0xc4
# scene7
#2017-01-14 23:41:09.002 Detail, Node004,   Received: 0x01, 0x0b, 0x00, 0x04, 0x00, 0x04, 0x05, 0x5b, 0x03, 0x6c, 0x00, 0x07, 0xc2
# scene8
#2017-01-14 23:41:36.684 Detail, Node004,   Received: 0x01, 0x0b, 0x00, 0x04, 0x00, 0x04, 0x05, 0x5b, 0x03, 0x6e, 0x00, 0x08, 0xcf

# match rule
MATCHER = 'Detail, Node004,   Received: 0x01, 0x0b, 0x00, 0x04, 0x00, 0x04, 0x05, 0x5b, 0x03,'

if socket.gethostname() == 'pi.home':
    OZW_LOG = '/home/hass/.homeassistant/OZW_Log.txt'
else:
    OZW_LOG = '/tmp/OZW_Log.txt'

# HA information
URI = 'http://127.0.0.1:8123/api/services/script/turn_on'
TOKEN = 'secret'

debug = False

log = Popen(('/usr/bin/tail', '-F', '-n', '0', OZW_LOG), stdout=PIPE)
while True:
    line = log.stdout.readline()
    if not line:
        break

    line = line.strip().decode('utf-8')

    # Fast match to discard non-info log messages
    if MATCHER not in line:
        continue

    button = line.split(',')[-2].replace(' 0x0','')
    event = 'script.zrc90_a_button_{0}'.format(button)
    if debug:
        print(event)

    if event:
        data = {'entity_id': event}
        if debug:
            print(data)
        resp = requests.post(URI, data=json.dumps(data), headers={'x-ha-access': TOKEN, 'content-type': 'application/json'})

SystemD service

# cat /lib/systemd/system/zwave-events.service 
[Unit]
Description=Home Assistant Zwave Custom Events
#After=home-assistant@hass.service

[Service]
Type=simple
User=hass
ExecStart=/home/hass/.homeassistant/zwave_monitor/zwave-events.py
Restart=always
RestartSec=5
TimeoutStopSec=5

[Install]
#WantedBy=multi-user.target
WantedBy=basic.target