A simple bridge from Hue switches to eWeLink/Sonoff relays

aiohue2sonoff.py

#!/usr/bin/env python3
import asyncio
import logging

from aiohue import HueBridgeV2
from aiohue.v2 import EventType
from aiohue.v2.models.button import Button, ButtonEvent

import ewelink
from ewelink import Client, DeviceOffline, Power


ASSIGNMENTS = {
    "Front door switch 1": "Porch light",
    "Living room switch 2": "Uplighters",
    "Kitchen switch 1": "Kitchen ceiling lights",
}
HUE_IP = '192.168.1.123'
HUE_KEY = 'YOUR-HUE-APP-KEY'  # see aiohue.create_app_key
EWELINK_USER = '[email protected]'
EWELINK_PASS = 'Your eWeLink password'

@ewelink.login(EWELINK_PASS, EWELINK_USER)
async def main(client: Client):
    logging.basicConfig(
        level=logging.DEBUG,
        format="%(asctime)-15s %(levelname)-5s %(name)s -- %(message)s",
    )

    nameToEwelink = {device.name: device for device in client.devices}

    async with HueBridgeV2(HUE_IP, HUE_KEY) as bridge:

        hueIdToName = {device.id: device.metadata.name for device in bridge.devices}

        async def handle_event(event_type, item):
            if event_type != EventType.RESOURCE_UPDATED or not isinstance(item, Button) or item.button.last_event != ButtonEvent.INITIAL_PRESS:
                return
            if item.metadata.control_id == 1:
                on = True
            elif item.metadata.control_id == 4:
                on = False
            else:
                return
            name = hueIdToName.get(item.owner.rid, item.owner.rid)
            if name in ASSIGNMENTS and ASSIGNMENTS[name] in nameToEwelink:
                print("ON " if on else "OFF", name)
                try:
                    await nameToEwelink[ASSIGNMENTS[name]].edit(Power.on if on else Power.off)
                except DeviceOffline:
                    print("OFFLINE", ASSIGNMENTS[name])

        bridge.subscribe(handle_event)

        await asyncio.Event().wait()  # forever