101 lines
2.8 KiB
Python
101 lines
2.8 KiB
Python
"""Reproduce an Fan state."""
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import asyncio
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import logging
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from types import MappingProxyType
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from typing import Iterable, Optional
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from homeassistant.const import (
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ATTR_ENTITY_ID,
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STATE_ON,
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STATE_OFF,
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SERVICE_TURN_OFF,
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SERVICE_TURN_ON,
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)
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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 . import (
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DOMAIN,
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ATTR_DIRECTION,
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ATTR_OSCILLATING,
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ATTR_SPEED,
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SERVICE_OSCILLATE,
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SERVICE_SET_DIRECTION,
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SERVICE_SET_SPEED,
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)
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_LOGGER = logging.getLogger(__name__)
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VALID_STATES = {STATE_ON, STATE_OFF}
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ATTRIBUTES = { # attribute: service
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ATTR_DIRECTION: SERVICE_SET_DIRECTION,
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ATTR_OSCILLATING: SERVICE_OSCILLATE,
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ATTR_SPEED: SERVICE_SET_SPEED,
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}
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async def _async_reproduce_state(
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hass: HomeAssistantType, state: State, context: Optional[Context] = None
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) -> None:
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"""Reproduce a single state."""
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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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if state.state not in VALID_STATES:
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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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# Return if we are already at the right state.
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if cur_state.state == state.state and all(
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check_attr_equal(cur_state.attributes, state.attributes, attr)
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for attr in ATTRIBUTES
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):
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return
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service_data = {ATTR_ENTITY_ID: state.entity_id}
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service_calls = {} # service: service_data
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if state.state == STATE_ON:
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# The fan should be on
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if cur_state.state != STATE_ON:
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# Turn on the fan at first
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service_calls[SERVICE_TURN_ON] = service_data
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for attr, service in ATTRIBUTES.items():
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# Call services to adjust the attributes
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if attr in state.attributes and not check_attr_equal(
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state.attributes, cur_state.attributes, attr
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):
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data = service_data.copy()
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data[attr] = state.attributes[attr]
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service_calls[service] = data
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elif state.state == STATE_OFF:
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service_calls[SERVICE_TURN_OFF] = service_data
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for service, data in service_calls.items():
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await hass.services.async_call(
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DOMAIN, service, data, context=context, blocking=True
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)
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async def async_reproduce_states(
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hass: HomeAssistantType, states: Iterable[State], context: Optional[Context] = None
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) -> None:
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"""Reproduce Fan states."""
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await asyncio.gather(
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*(_async_reproduce_state(hass, state, context) for state in states)
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)
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def check_attr_equal(
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attr1: MappingProxyType, attr2: MappingProxyType, attr_str: str
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) -> bool:
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"""Return true if the given attributes are equal."""
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return attr1.get(attr_str) == attr2.get(attr_str)
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