87 lines
2.6 KiB
Python
87 lines
2.6 KiB
Python
"""Support for Z-Wave fans."""
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import math
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from homeassistant.components.fan import DOMAIN, SUPPORT_SET_SPEED, FanEntity
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.core import HomeAssistant, callback
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from homeassistant.helpers.dispatcher import async_dispatcher_connect
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.util.percentage import (
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int_states_in_range,
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percentage_to_ranged_value,
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ranged_value_to_percentage,
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)
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from . import ZWaveDeviceEntity
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SUPPORTED_FEATURES = SUPPORT_SET_SPEED
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SPEED_RANGE = (1, 99) # off is not included
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async def async_setup_entry(
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hass: HomeAssistant,
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config_entry: ConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Set up Z-Wave Fan from Config Entry."""
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@callback
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def async_add_fan(fan):
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"""Add Z-Wave Fan."""
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async_add_entities([fan])
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async_dispatcher_connect(hass, "zwave_new_fan", async_add_fan)
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def get_device(values, **kwargs):
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"""Create Z-Wave entity device."""
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return ZwaveFan(values)
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class ZwaveFan(ZWaveDeviceEntity, FanEntity):
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"""Representation of a Z-Wave fan."""
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def __init__(self, values):
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"""Initialize the Z-Wave fan device."""
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ZWaveDeviceEntity.__init__(self, values, DOMAIN)
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self.update_properties()
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def update_properties(self):
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"""Handle data changes for node values."""
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self._state = self.values.primary.data
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def set_percentage(self, percentage):
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"""Set the speed percentage of the fan."""
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if percentage is None:
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# Value 255 tells device to return to previous value
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zwave_speed = 255
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elif percentage == 0:
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zwave_speed = 0
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else:
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zwave_speed = math.ceil(percentage_to_ranged_value(SPEED_RANGE, percentage))
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self.node.set_dimmer(self.values.primary.value_id, zwave_speed)
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def turn_on(self, percentage=None, preset_mode=None, **kwargs):
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"""Turn the device on."""
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self.set_percentage(percentage)
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def turn_off(self, **kwargs):
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"""Turn the device off."""
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self.node.set_dimmer(self.values.primary.value_id, 0)
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@property
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def percentage(self):
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"""Return the current speed percentage."""
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return ranged_value_to_percentage(SPEED_RANGE, self._state)
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@property
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def speed_count(self) -> int:
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"""Return the number of speeds the fan supports."""
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return int_states_in_range(SPEED_RANGE)
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@property
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def supported_features(self):
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"""Flag supported features."""
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return SUPPORTED_FEATURES
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