simple power command

[submodule "eins"]

	path = eins

	url = git@ssh.git.revreso.de:eins/python-eins.git

Subproject commit 56e1b2b22e28a4630499644270c292047b62e7cf

[speakers]

Description=Desktop speakers

ExecStart=echo speaker turned on

ExecStop=echo speaker turned off

#!/usr/bin/env python3

import configparser

import sys

import subprocess

from eins import Eins

actors = configparser.ConfigParser()

actors.read("power_command.ini")

#XXX: Complain on not present, make name configurable

# Check if all the devices have the required settings

error = False

for actor in actors.sections():

    for key in ["ExecStart", "ExecStop"]:

        if key not in actors[actor]:

            #XXX: Logging

            print("Device {} is missing the required setting {}.".format(actor, key))

            error = True

if error:

    sys.exit(-1)

eins = Eins()

@eins.simple_cmd()

def power(target, state):

    if target not in actors.sections():

        print("Don't know the device {}.".format(target)) #XXX: Logging

        return

    if state == "on":

        subprocess.run(actors[target]['ExecStart'], shell=True, check=True)

        #TODO: catch errors, logging

    elif state == "off":

        subprocess.run(actors[target]['ExecStop'], shell=True, check=True)

        #TODO: above

    else:

        print("Unknown power state {}, did you mean \"on\" or \"off\"?".format(target))

        #XXX: Logging

#TODO: Replace with standardized discovery

@eins.simple_cmd()

def commands():

    print("Known devices:")

    for key in actors.sections():

        print(key)

eins.run()