97 lines
3.0 KiB
Python
97 lines
3.0 KiB
Python
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"""Module that groups code required to handle state restore for component."""
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import asyncio
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import logging
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from typing import Any, Dict, Iterable, Optional
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from homeassistant.const import SERVICE_TURN_OFF, SERVICE_TURN_ON, STATE_OFF, STATE_ON
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from homeassistant.core import Context, State
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from homeassistant.helpers.typing import HomeAssistantType
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from .const import (
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ATTR_HUMIDITY,
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ATTR_MODE,
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DOMAIN,
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SERVICE_SET_HUMIDITY,
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SERVICE_SET_MODE,
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)
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_LOGGER = logging.getLogger(__name__)
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async def _async_reproduce_states(
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hass: HomeAssistantType,
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state: State,
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*,
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context: Optional[Context] = None,
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reproduce_options: Optional[Dict[str, Any]] = None,
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) -> None:
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"""Reproduce component states."""
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cur_state = hass.states.get(state.entity_id)
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if cur_state is None:
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_LOGGER.warning("Unable to find entity %s", state.entity_id)
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return
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async def call_service(service: str, keys: Iterable, data=None):
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"""Call service with set of attributes given."""
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data = data or {}
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data["entity_id"] = state.entity_id
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for key in keys:
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if key in state.attributes:
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data[key] = state.attributes[key]
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await hass.services.async_call(
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DOMAIN, service, data, blocking=True, context=context
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)
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if state.state == STATE_OFF:
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# Ensure the device is off if it needs to be and exit
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if cur_state.state != STATE_OFF:
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await call_service(SERVICE_TURN_OFF, [])
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return
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if state.state != STATE_ON:
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# we can't know how to handle this
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_LOGGER.warning(
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"Invalid state specified for %s: %s", state.entity_id, state.state
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)
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return
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# First of all, turn on if needed, because the device might not
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# be able to set mode and humidity while being off
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if cur_state.state != STATE_ON:
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await call_service(SERVICE_TURN_ON, [])
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# refetch the state as turning on might allow us to see some more values
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cur_state = hass.states.get(state.entity_id)
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# Then set the mode before target humidity, because switching modes
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# may invalidate target humidity
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if ATTR_MODE in state.attributes and state.attributes[
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ATTR_MODE
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] != cur_state.attributes.get(ATTR_MODE):
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await call_service(SERVICE_SET_MODE, [ATTR_MODE])
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# Next, restore target humidity for the current mode
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if ATTR_HUMIDITY in state.attributes and state.attributes[
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ATTR_HUMIDITY
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] != cur_state.attributes.get(ATTR_HUMIDITY):
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await call_service(SERVICE_SET_HUMIDITY, [ATTR_HUMIDITY])
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async def async_reproduce_states(
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hass: HomeAssistantType,
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states: Iterable[State],
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*,
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context: Optional[Context] = None,
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reproduce_options: Optional[Dict[str, Any]] = None,
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) -> None:
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"""Reproduce component states."""
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await asyncio.gather(
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*(
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_async_reproduce_states(
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hass, state, context=context, reproduce_options=reproduce_options
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)
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for state in states
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)
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)
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