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#!/usr/bin/env python3
import os.path
import include_homekit
from time import sleep
from typing import Optional
from argparse import ArgumentParser, ArgumentError
from homekit.config import config
from homekit.mqtt import MqttNode, MqttWrapper, get_mqtt_modules, MqttNodesConfig
from homekit.mqtt.module.relay import MqttRelayModule
from homekit.mqtt.module.ota import MqttOtaModule
mqtt_node: Optional[MqttNode] = None
mqtt: Optional[MqttWrapper] = None
relay_module: Optional[MqttOtaModule] = None
relay_val = None
ota_module: Optional[MqttRelayModule] = None
ota_val = False
no_wait = False
stop_loop = False
def on_mqtt_connect():
global stop_loop
if relay_module:
relay_module.switchpower(relay_val == 1)
if ota_val:
if not os.path.exists(arg.push_ota):
raise OSError(f'--push-ota: file \"{arg.push_ota}\" does not exists')
ota_module.push_ota(arg.push_ota, 1)
if no_wait:
stop_loop = True
if __name__ == '__main__':
nodes_config = MqttNodesConfig()
node_names = nodes_config.get_nodes(only_names=True)
parser = ArgumentParser()
parser.add_argument('--node-id', type=str, required=True,
help='one of: '+', '.join(node_names))
parser.add_argument('--node-id-no-check', action='store_true',
help='when enabled, the script will not check for definition of the node in the mqtt_nodes.yaml config and will use the default password')
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, receives path to firmware.bin (not .elf!)')
parser.add_argument('--custom-ota-topic', type=str,
help='only needed for update very old devices')
parser.add_argument('--no-wait', action='store_true',
help='execute command and exit')
config.load_app(parser=parser, no_config=True)
arg = parser.parse_args()
if not arg.node_id_no_check and arg.node_id not in node_names:
raise ArgumentError(None, f'invalid node_id {arg.node_id}')
if arg.no_wait:
no_wait = True
if arg.switch_relay is not None and 'relay' not in arg.modules:
raise ArgumentError(None, '--relay is only allowed when \'relay\' module included in --modules')
mqtt = MqttWrapper(randomize_client_id=True,
client_id='mqtt_node_util')
mqtt.add_connect_callback(on_mqtt_connect)
try:
node_password = nodes_config.get_node(arg.node_id)['password']
except KeyError as e:
if arg.node_id_no_check:
node_password = nodes_config['common']['password']
else:
raise e
mqtt_node = MqttNode(node_id=arg.node_id,
node_secret=node_password)
mqtt.add_node(mqtt_node)
# must-have modules
ota_kwargs = {}
if arg.custom_ota_topic:
ota_kwargs['custom_ota_topic'] = arg.custom_ota_topic
ota_module = mqtt_node.load_module('ota', **ota_kwargs)
ota_val = arg.push_ota
mqtt_node.load_module('diagnostics')
if arg.modules:
for m in arg.modules:
kwargs = {}
if m == 'relay' and MqttNodesConfig().node_uses_legacy_relay_power_payload(arg.node_id):
kwargs['legacy_topics'] = True
if m == 'temphum' and MqttNodesConfig().node_uses_legacy_temphum_data_payload(arg.node_id):
kwargs['legacy_payload'] = True
module_instance = mqtt_node.load_module(m, **kwargs)
if m == 'relay' and arg.switch_relay is not None:
relay_module = module_instance
relay_val = arg.switch_relay
try:
mqtt.connect_and_loop(loop_forever=False)
while not stop_loop:
sleep(0.1)
except KeyboardInterrupt:
pass
finally:
mqtt.disconnect()
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