core/homeassistant/components/demo/number.py

110 lines
2.9 KiB
Python

"""Demo platform that offers a fake Number entity."""
from __future__ import annotations
from homeassistant.components.number import NumberEntity, NumberMode
from homeassistant.const import DEVICE_DEFAULT_NAME
from homeassistant.helpers.entity import DeviceInfo
from . import DOMAIN
async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
"""Set up the demo Number entity."""
async_add_entities(
[
DemoNumber(
"volume1",
"volume",
42.0,
"mdi:volume-high",
False,
mode=NumberMode.SLIDER,
),
DemoNumber(
"pwm1",
"PWM 1",
0.42,
"mdi:square-wave",
False,
0.0,
1.0,
0.01,
NumberMode.BOX,
),
DemoNumber(
"large_range",
"Large Range",
500,
"mdi:square-wave",
False,
1,
1000,
1,
),
DemoNumber(
"small_range",
"Small Range",
128,
"mdi:square-wave",
False,
1,
255,
1,
),
]
)
async def async_setup_entry(hass, config_entry, async_add_entities):
"""Set up the Demo config entry."""
await async_setup_platform(hass, {}, async_add_entities)
class DemoNumber(NumberEntity):
"""Representation of a demo Number entity."""
_attr_should_poll = False
def __init__(
self,
unique_id: str,
name: str,
state: float,
icon: str,
assumed: bool,
min_value: float | None = None,
max_value: float | None = None,
step: float | None = None,
mode: NumberMode = NumberMode.AUTO,
) -> None:
"""Initialize the Demo Number entity."""
self._attr_assumed_state = assumed
self._attr_icon = icon
self._attr_name = name or DEVICE_DEFAULT_NAME
self._attr_unique_id = unique_id
self._attr_value = state
self._attr_mode = mode
if min_value is not None:
self._attr_min_value = min_value
if max_value is not None:
self._attr_max_value = max_value
if step is not None:
self._attr_step = step
@property
def device_info(self) -> DeviceInfo:
"""Return device info."""
return DeviceInfo(
identifiers={
# Serial numbers are unique identifiers within a specific domain
(DOMAIN, self.unique_id)
},
name=self.name,
)
async def async_set_value(self, value):
"""Update the current value."""
self._attr_value = value
self.async_write_ha_state()