Files
home-automation/apps/homekit/main.py
2025-11-17 11:36:19 +01:00

272 lines
9.0 KiB
Python

"""
HomeKit Bridge Main Module
Implementiert eine HAP-Python Bridge, die Geräte über die REST-API lädt
und über HomeKit verfügbar macht.
Für detaillierte Implementierungsanweisungen, Tests und Deployment-Informationen
siehe README.md in diesem Verzeichnis.
"""
import os
import logging
import signal
import sys
import threading
from typing import Optional
from pyhap.accessory_driver import AccessoryDriver
from pyhap.accessory import Bridge
from .accessories.light import (
OnOffLightAccessory,
DimmableLightAccessory,
ColorLightAccessory,
)
from .accessories.thermostat import ThermostatAccessory
from .accessories.contact import ContactAccessory
from .accessories.sensor import TempHumidityAccessory
from .accessories.outlet import OutletAccessory
from .api_client import ApiClient
from .device_registry import DeviceRegistry
# Configure logging
logging.basicConfig(
level=logging.INFO,
format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
)
logger = logging.getLogger(__name__)
# Environment configuration
HOMEKIT_NAME = os.getenv("HOMEKIT_NAME", "Home Automation Bridge")
HOMEKIT_PIN = os.getenv("HOMEKIT_PIN", "031-45-154")
HOMEKIT_PORT = int(os.getenv("HOMEKIT_PORT", "51826"))
API_BASE = os.getenv("API_BASE", "http://api:8001")
HOMEKIT_API_TOKEN = os.getenv("HOMEKIT_API_TOKEN")
PERSIST_FILE = os.getenv("HOMEKIT_PERSIST_FILE", "homekit.state")
def build_bridge(driver: AccessoryDriver, api_client: ApiClient) -> Bridge:
"""
Build the HomeKit Bridge with all device accessories.
Args:
driver: HAP-Python AccessoryDriver
api_client: API client for communication with backend
Returns:
Bridge accessory with all device accessories attached
"""
logger.info("Loading devices from API...")
registry = DeviceRegistry.load_from_api(api_client)
devices = registry.get_all()
logger.info(f"Loaded {len(devices)} devices from API")
# Create bridge
bridge = Bridge(driver, HOMEKIT_NAME)
accessory_map = {} # device_id -> Accessory instance
for device in devices:
try:
accessory = create_accessory_for_device(device, api_client, driver)
if accessory:
# Set room information in the accessory (HomeKit will use this for suggestions)
if device.room:
# Store room info for potential future use
accessory._room_name = device.room
bridge.add_accessory(accessory)
accessory_map[device.device_id] = accessory
logger.info(f"Added accessory: {device.friendly_name} ({device.type}) in room: {device.room or 'Unknown'}")
else:
logger.warning(f"No accessory mapping for device: {device.name} ({device.type})")
except Exception as e:
logger.error(f"Failed to create accessory for {device.name}: {e}", exc_info=True)
# Store accessory_map on bridge for realtime updates
bridge._accessory_map = accessory_map
logger.info(f"Bridge built with {len(accessory_map)} accessories")
return bridge
def get_accessory_name(device) -> str:
"""
Build accessory name including room information.
Args:
device: Device object from DeviceRegistry
Returns:
Name string like "Device Name (Room)" or just "Device Name" if no room
"""
base_name = device.friendly_name or device.name
if device.room:
return f"{base_name} ({device.room})"
return base_name
def create_accessory_for_device(device, api_client: ApiClient, driver: AccessoryDriver):
"""
Create appropriate HomeKit accessory based on device type and features.
Maps device types to HomeKit accessories according to homekit_mapping.md.
"""
device_type = device.type
features = device.features
display_name = get_accessory_name(device)
# Light accessories
if device_type == "light":
if features.get("color_hsb"):
return ColorLightAccessory(driver, device, api_client, display_name=display_name)
elif features.get("brightness"):
return DimmableLightAccessory(driver, device, api_client, display_name=display_name)
else:
return OnOffLightAccessory(driver, device, api_client, display_name=display_name)
# Thermostat
elif device_type == "thermostat":
return ThermostatAccessory(driver, device, api_client, display_name=display_name)
# Contact sensor
elif device_type == "contact":
return ContactAccessory(driver, device, api_client, display_name=display_name)
# Temperature/Humidity sensor
elif device_type == "temp_humidity_sensor":
return TempHumidityAccessory(driver, device, api_client, display_name=display_name)
# Relay/Outlet
elif device_type == "relay":
return OutletAccessory(driver, device, api_client, display_name=display_name)
# Cover/Blinds (optional)
elif device_type == "cover":
# TODO: Implement CoverAccessory based on homekit_mapping.md
logger.warning(f"Cover accessory not yet implemented for {device.name}")
return None
# TODO: Add more device types as needed (lock, motion, etc.)
return None
def realtime_event_loop(api_client: ApiClient, bridge: Bridge, stop_event: threading.Event):
"""
Background thread that listens to realtime events and updates accessories.
Args:
api_client: API client
bridge: HomeKit bridge with accessories
stop_event: Threading event to signal shutdown
"""
logger.info("Starting realtime event loop...")
while not stop_event.is_set():
try:
for event in api_client.stream_realtime():
if stop_event.is_set():
break
# Handle state update events
if event.get("type") == "state":
device_id = event.get("device_id")
payload = event.get("payload", {})
# Find corresponding accessory
accessory = bridge._accessory_map.get(device_id)
if accessory and hasattr(accessory, 'update_state'):
try:
accessory.update_state(payload)
logger.debug(f"Updated state for {device_id}: {payload}")
except Exception as e:
logger.error(f"Error updating accessory {device_id}: {e}")
except Exception as e:
if not stop_event.is_set():
logger.error(f"Realtime stream error: {e}. Reconnecting in 5s...")
stop_event.wait(5) # Backoff before reconnect
logger.info("Realtime event loop stopped")
def main():
logger.info("=" * 60)
logger.info(f"Starting HomeKit Bridge: {HOMEKIT_NAME}")
logger.info(f"API Base: {API_BASE}")
logger.info(f"HomeKit Port: {HOMEKIT_PORT}")
logger.info(f"PIN: {HOMEKIT_PIN}")
logger.info("=" * 60)
# Create API client
api_client = ApiClient(
base_url=API_BASE,
token=HOMEKIT_API_TOKEN,
timeout=10
)
# Test API connectivity
try:
devices = api_client.get_devices()
logger.info(f"API connectivity OK - {len(devices)} devices available")
except Exception as e:
logger.error(f"Failed to connect to API at {API_BASE}: {e}")
logger.error("Please check API_BASE and network connectivity")
sys.exit(1)
# Create AccessoryDriver
driver = AccessoryDriver(
port=HOMEKIT_PORT,
persist_file=PERSIST_FILE
)
# Build bridge with all accessories
try:
bridge = build_bridge(driver, api_client)
except Exception as e:
logger.error(f"Failed to build bridge: {e}", exc_info=True)
sys.exit(1)
# Add bridge to driver
driver.add_accessory(accessory=bridge)
# Setup realtime event thread
stop_event = threading.Event()
realtime_thread = threading.Thread(
target=realtime_event_loop,
args=(api_client, bridge, stop_event),
daemon=True
)
# Signal handlers for graceful shutdown
def signal_handler(sig, frame):
logger.info("Received shutdown signal, stopping...")
stop_event.set()
driver.stop()
signal.signal(signal.SIGINT, signal_handler)
signal.signal(signal.SIGTERM, signal_handler)
# Start realtime thread
realtime_thread.start()
# Start the bridge
logger.info(f"HomeKit Bridge started on port {HOMEKIT_PORT}")
logger.info(f"Pair with PIN: {HOMEKIT_PIN}")
logger.info("Press Ctrl+C to stop")
try:
driver.start()
except KeyboardInterrupt:
logger.info("KeyboardInterrupt received")
finally:
logger.info("Stopping bridge...")
stop_event.set()
realtime_thread.join(timeout=5)
logger.info("Bridge stopped")
if __name__ == "__main__":
main()