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#!/usr/bin/env python3
from typing import Optional
from argparse import ArgumentParser, ArgumentError
from home.config import config
from home.mqtt import MqttNode, get_mqtt_modules, import_mqtt_module, MqttModule
mqtt: Optional[MqttNode] = None
def add_module(module: str) -> MqttModule:
module = import_mqtt_module(module)
if not hasattr(module, 'MODULE_NAME'):
raise RuntimeError(f'MODULE_NAME not found in module {m}')
cl = getattr(module, getattr(module, 'MODULE_NAME'))
instance = cl()
mqtt.add_module(instance)
return instance
if __name__ == '__main__':
parser = ArgumentParser()
parser.add_argument('--node-id', type=str, required=True)
parser.add_argument('--modules', type=str, choices=get_mqtt_modules(), nargs='*',
help='mqtt modules to include')
parser.add_argument('--switch-relay', choices=[0, 1], type=int,
help='send relay state')
parser.add_argument('--switch-relay-secret', type=str,
help='secret password to switch relay')
config.load('mqtt_util', parser=parser)
arg = parser.parse_args()
if (arg.switch_relay is not None or arg.switch_relay_secret is not None) and 'relay' not in arg.modules:
raise ArgumentError(None, '--relay is only allowed when \'relay\' module included in --modules')
if (arg.switch_relay is not None and arg.switch_relay_secret is None) or (arg.switch_relay is None and arg.switch_relay_secret is not None):
raise ArgumentError(None, 'both --switch-relay and --switch-relay-secret are required')
mqtt = MqttNode(node_id=arg.node_id)
# must-have modules
add_module('ota')
add_module('diagnostics')
if arg.modules:
for m in arg.modules:
module_instance = add_module(m)
if m == 'relay' and arg.switch_relay is not None:
module_instance.switchpower(mqtt,
arg.switch_relay == 1,
arg.switch_relay_secret)
mqtt.configure_tls()
try:
mqtt.connect_and_loop()
except KeyboardInterrupt:
mqtt.disconnect()
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