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#!/usr/bin/env python3
import os.path
from time import sleep
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('--push-ota', type=str, metavar='OTA_FILENAME',
help='push ota, argument receives filename')
parser.add_argument('--node-secret', type=str,
help='node admin password')
config.load('mqtt_util', parser=parser)
arg = parser.parse_args()
if (arg.switch_relay is not None or arg.node_secret is not None) and 'relay' not in arg.modules:
raise ArgumentError(None, '--relay is only allowed when \'relay\' module included in --modules')
mqtt = MqttNode(node_id=arg.node_id)
# must-have modules
ota_module = 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:
if not arg.node_secret:
raise ArgumentError(None, '--switch-relay requires --node-secret')
module_instance.switchpower(mqtt,
arg.switch_relay == 1,
arg.node_secret)
mqtt.configure_tls()
try:
mqtt.connect_and_loop(loop_forever=False)
if arg.push_ota:
if not os.path.exists(arg.push_ota):
raise OSError(f'--push-ota: file \"{arg.push_ota}\" does not exists')
if not arg.node_secret:
raise ArgumentError(None, 'pushing OTA requires --node-secret')
ota_module.push_ota(arg.node_secret, arg.push_ota, 1)
while True:
sleep(0.1)
except KeyboardInterrupt:
mqtt.disconnect()
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