157 lines
5.1 KiB
Python
157 lines
5.1 KiB
Python
"""Representation of a deCONZ gateway."""
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from homeassistant.exceptions import ConfigEntryNotReady
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from homeassistant.const import CONF_EVENT, CONF_ID
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from homeassistant.core import EventOrigin, callback
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from homeassistant.helpers import aiohttp_client
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from homeassistant.helpers.dispatcher import (
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async_dispatcher_connect, async_dispatcher_send)
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from homeassistant.util import slugify
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from .const import (
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_LOGGER, DECONZ_REACHABLE, CONF_ALLOW_CLIP_SENSOR, SUPPORTED_PLATFORMS)
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class DeconzGateway:
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"""Manages a single deCONZ gateway."""
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def __init__(self, hass, config_entry):
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"""Initialize the system."""
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self.hass = hass
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self.config_entry = config_entry
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self.available = True
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self.api = None
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self.deconz_ids = {}
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self.events = []
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self.listeners = []
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async def async_setup(self, tries=0):
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"""Set up a deCONZ gateway."""
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hass = self.hass
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self.api = await get_gateway(
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hass, self.config_entry.data, self.async_add_device_callback,
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self.async_connection_status_callback
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)
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if not self.api:
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raise ConfigEntryNotReady
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for component in SUPPORTED_PLATFORMS:
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hass.async_create_task(
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hass.config_entries.async_forward_entry_setup(
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self.config_entry, component))
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self.listeners.append(
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async_dispatcher_connect(
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hass, 'deconz_new_sensor', self.async_add_remote))
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self.async_add_remote(self.api.sensors.values())
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self.api.start()
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return True
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@callback
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def async_connection_status_callback(self, available):
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"""Handle signals of gateway connection status."""
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self.available = available
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async_dispatcher_send(
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self.hass, DECONZ_REACHABLE, {'state': True, 'attr': 'reachable'})
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@callback
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def async_add_device_callback(self, device_type, device):
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"""Handle event of new device creation in deCONZ."""
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if not isinstance(device, list):
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device = [device]
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async_dispatcher_send(
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self.hass, 'deconz_new_{}'.format(device_type), device)
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@callback
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def async_add_remote(self, sensors):
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"""Set up remote from deCONZ."""
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from pydeconz.sensor import SWITCH as DECONZ_REMOTE
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allow_clip_sensor = self.config_entry.data.get(
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CONF_ALLOW_CLIP_SENSOR, True)
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for sensor in sensors:
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if sensor.type in DECONZ_REMOTE and \
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not (not allow_clip_sensor and sensor.type.startswith('CLIP')):
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self.events.append(DeconzEvent(self.hass, sensor))
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@callback
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def shutdown(self, event):
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"""Wrap the call to deconz.close.
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Used as an argument to EventBus.async_listen_once.
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"""
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self.api.close()
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async def async_reset(self):
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"""Reset this gateway to default state.
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Will cancel any scheduled setup retry and will unload
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the config entry.
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"""
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self.api.close()
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for component in SUPPORTED_PLATFORMS:
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await self.hass.config_entries.async_forward_entry_unload(
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self.config_entry, component)
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for unsub_dispatcher in self.listeners:
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unsub_dispatcher()
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self.listeners = []
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for event in self.events:
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event.async_will_remove_from_hass()
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self.events.remove(event)
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self.deconz_ids = {}
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return True
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async def get_gateway(hass, config, async_add_device_callback,
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async_connection_status_callback):
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"""Create a gateway object and verify configuration."""
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from pydeconz import DeconzSession
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session = aiohttp_client.async_get_clientsession(hass)
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deconz = DeconzSession(hass.loop, session, **config,
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async_add_device=async_add_device_callback,
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connection_status=async_connection_status_callback)
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result = await deconz.async_load_parameters()
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if result:
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return deconz
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return result
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class DeconzEvent:
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"""When you want signals instead of entities.
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Stateless sensors such as remotes are expected to generate an event
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instead of a sensor entity in hass.
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"""
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def __init__(self, hass, device):
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"""Register callback that will be used for signals."""
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self._hass = hass
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self._device = device
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self._device.register_async_callback(self.async_update_callback)
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self._event = 'deconz_{}'.format(CONF_EVENT)
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self._id = slugify(self._device.name)
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_LOGGER.debug("deCONZ event created: %s", self._id)
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@callback
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def async_will_remove_from_hass(self) -> None:
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"""Disconnect event object when removed."""
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self._device.remove_callback(self.async_update_callback)
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self._device = None
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@callback
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def async_update_callback(self, reason):
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"""Fire the event if reason is that state is updated."""
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if reason['state']:
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data = {CONF_ID: self._id, CONF_EVENT: self._device.state}
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self._hass.bus.async_fire(self._event, data, EventOrigin.remote)
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