Merge branch 'main' into device_details
This commit is contained in:
Meatballs1
203
hc2mqtt.py
Executable file
203
hc2mqtt.py
Executable file
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#!/usr/bin/env python3
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# Contact Bosh-Siemens Home Connect devices
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# and connect their messages to the mqtt server
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import json
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import ssl
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import sys
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import time
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from threading import Thread
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import click
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import click_config_file
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import paho.mqtt.client as mqtt
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from HCDevice import HCDevice
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from HCSocket import HCSocket, now
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@click.command()
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@click.option("-d", "--devices_file", default="config/devices.json")
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@click.option("-h", "--mqtt_host", default="localhost")
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@click.option("-p", "--mqtt_prefix", default="homeconnect/")
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@click.option("--mqtt_port", default=1883, type=int)
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@click.option("--mqtt_username")
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@click.option("--mqtt_password")
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@click.option("--mqtt_ssl", is_flag=True)
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@click.option("--mqtt_cafile")
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@click.option("--mqtt_certfile")
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@click.option("--mqtt_keyfile")
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@click.option("--mqtt_clientname", default="hcpy")
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@click_config_file.configuration_option()
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def hc2mqtt(
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devices_file: str,
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mqtt_host: str,
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mqtt_prefix: str,
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mqtt_port: int,
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mqtt_username: str,
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mqtt_password: str,
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mqtt_ssl: bool,
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mqtt_cafile: str,
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mqtt_certfile: str,
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mqtt_keyfile: str,
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mqtt_clientname: str,
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):
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def on_connect(client, userdata, flags, rc):
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if rc == 5:
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print(now(), f"ERROR MQTT connection failed: unauthorized - {rc}")
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elif rc == 0:
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print(now(), f"MQTT connection established: {rc}")
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client.publish(f"{mqtt_prefix}LWT", payload="online", qos=0, retain=True)
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# Re-subscribe to all device topics on reconnection
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for device in devices:
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mqtt_set_topic = f"{mqtt_prefix}{device['name']}/set"
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print(now(), device["name"], f"set topic: {mqtt_set_topic}")
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client.subscribe(mqtt_set_topic)
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for value in device["features"]:
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# If the device has the ActiveProgram feature it allows programs to be started
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# and scheduled via /ro/activeProgram
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if "BSH.Common.Root.ActiveProgram" == device["features"][value]["name"]:
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mqtt_active_program_topic = f"{mqtt_prefix}{device['name']}/activeProgram"
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print(now(), device["name"], f"program topic: {mqtt_active_program_topic}")
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client.subscribe(mqtt_active_program_topic)
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else:
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print(now(), f"ERROR MQTT connection failed: {rc}")
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def on_disconnect(client, userdata, rc):
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print(now(), "ERROR MQTT client disconnected")
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def on_message(client, userdata, msg):
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mqtt_state = msg.payload.decode()
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mqtt_topic = msg.topic.split("/")
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print(now(), f"{msg.topic} received mqtt message {mqtt_state}")
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try:
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if len(mqtt_topic) >= 2:
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device_name = mqtt_topic[-2]
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topic = mqtt_topic[-1]
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else:
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raise Exception(f"Invalid mqtt topic {msg.topic}.")
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try:
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msg = json.loads(mqtt_state)
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except ValueError as e:
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raise ValueError(f"Invalid JSON in message: {mqtt_state}.") from e
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if topic == "set":
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resource = "/ro/values"
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elif topic == "activeProgram":
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resource = "/ro/activeProgram"
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else:
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raise Exception(f"Payload topic {topic} is unknown.")
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dev[device_name].get(resource, 1, "POST", msg)
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except Exception as e:
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print(now(), device_name, "ERROR", e, file=sys.stderr)
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click.echo(
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f"Hello {devices_file=} {mqtt_host=} {mqtt_prefix=} "
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f"{mqtt_port=} {mqtt_username=} {mqtt_password=} "
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f"{mqtt_ssl=} {mqtt_cafile=} {mqtt_certfile=} {mqtt_keyfile=} {mqtt_clientname=}"
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)
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with open(devices_file, "r") as f:
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devices = json.load(f)
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client = mqtt.Client(mqtt_clientname)
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if mqtt_username and mqtt_password:
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client.username_pw_set(mqtt_username, mqtt_password)
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if mqtt_ssl:
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if mqtt_cafile and mqtt_certfile and mqtt_keyfile:
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client.tls_set(
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ca_certs=mqtt_cafile,
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certfile=mqtt_certfile,
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keyfile=mqtt_keyfile,
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cert_reqs=ssl.CERT_REQUIRED,
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)
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else:
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client.tls_set(cert_reqs=ssl.CERT_NONE)
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client.will_set(f"{mqtt_prefix}LWT", payload="offline", qos=0, retain=True)
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client.on_connect = on_connect
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client.on_disconnect = on_disconnect
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client.on_message = on_message
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client.connect(host=mqtt_host, port=mqtt_port, keepalive=70)
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for device in devices:
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mqtt_topic = mqtt_prefix + device["name"]
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print(now(), f"topic: {mqtt_topic}")
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thread = Thread(target=client_connect, args=(client, device, mqtt_topic))
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thread.start()
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client.loop_forever()
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global dev
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dev = {}
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def client_connect(client, device, mqtt_topic):
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host = device["host"]
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state = {}
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mqtt_set_topic = mqtt_topic + "/set"
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print(now(), device["name"], f"set topic: {mqtt_set_topic}")
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client.subscribe(mqtt_set_topic)
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while True:
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time.sleep(3)
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try:
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print(now(), device["name"], f"connecting to {host}")
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ws = HCSocket(host, device["key"], device.get("iv", None))
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dev[device["name"]] = HCDevice(ws, device.get("features", None), device["name"])
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# ws.debug = True
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dev[device["name"]].reconnect()
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while True:
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msg = dev[device["name"]].recv()
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if msg is None:
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break
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if len(msg) > 0:
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print(now(), device["name"], msg)
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update = False
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for key in msg.keys():
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val = msg.get(key, None)
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if key in state:
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# Override existing values with None if they have changed
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state[key] = val
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update = True
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else:
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# Dont store None values until something useful is populated?
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if val is None:
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continue
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else:
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state[key] = val
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update = True
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if not update:
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continue
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if client.is_connected():
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msg = json.dumps(state)
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print(now(), device["name"], f"publish to {mqtt_topic} with {msg}")
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client.publish(f"{mqtt_topic}/state", msg)
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else:
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print(
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now(),
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device["name"],
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"ERROR Unable to publish update as mqtt is not connected.",
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)
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except Exception as e:
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print(device["name"], "ERROR", e, file=sys.stderr)
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time.sleep(57)
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if __name__ == "__main__":
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hc2mqtt()
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