52 lines
1.3 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# -*- Python -*-
#
# $Id: process.py $
#
# Author: Markus Stenberg <fingon@iki.fi>
#
# Copyright (c) 2014 Markus Stenberg
#
# Created: Wed Apr 23 23:33:26 2014 mstenber
# Last modified: Thu Apr 24 17:13:04 2014 mstenber
# Edit time: 19 min
#
"""
Process watcher.
The arguments are <subentityname>=<substring to find in process list>
"""
from homeassistant.components import (STATE_ON, STATE_OFF)
import os
DOMAIN = 'process'
ENTITY_ID_FORMAT = DOMAIN + '.{}'
PS_STRING = 'ps awx'
def setup(hass, processes):
""" Track local processes. """
# pylint: disable=unused-argument
def _update_process_state(time):
""" Check ps for currently running processes. """
with os.popen(PS_STRING, 'r') as psfile:
lines = list(iter(psfile))
for pname, pstring in processes.items():
found = False
for line in lines:
if pstring in line:
found = True
break
entity_id = ENTITY_ID_FORMAT.format(pname)
state = found and STATE_ON or STATE_OFF
hass.states.set(entity_id, state)
_update_process_state(None)
hass.track_time_change(_update_process_state, second=[0, 30])
return True