mirror of https://github.com/home-assistant/core
67 lines
2.0 KiB
Python
67 lines
2.0 KiB
Python
"""Support for displaying the current CPU speed."""
|
|
|
|
from __future__ import annotations
|
|
|
|
from cpuinfo import cpuinfo
|
|
|
|
from homeassistant.components.sensor import SensorDeviceClass, SensorEntity
|
|
from homeassistant.config_entries import ConfigEntry
|
|
from homeassistant.const import UnitOfFrequency
|
|
from homeassistant.core import HomeAssistant
|
|
from homeassistant.helpers.device_registry import DeviceInfo
|
|
from homeassistant.helpers.entity_platform import AddEntitiesCallback
|
|
|
|
from .const import DOMAIN
|
|
|
|
ATTR_BRAND = "brand"
|
|
ATTR_HZ = "ghz_advertised"
|
|
ATTR_ARCH = "arch"
|
|
|
|
HZ_ACTUAL = "hz_actual"
|
|
HZ_ADVERTISED = "hz_advertised"
|
|
|
|
|
|
async def async_setup_entry(
|
|
hass: HomeAssistant,
|
|
entry: ConfigEntry,
|
|
async_add_entities: AddEntitiesCallback,
|
|
) -> None:
|
|
"""Set up the platform from config_entry."""
|
|
async_add_entities([CPUSpeedSensor(entry)], True)
|
|
|
|
|
|
class CPUSpeedSensor(SensorEntity):
|
|
"""Representation of a CPU sensor."""
|
|
|
|
_attr_device_class = SensorDeviceClass.FREQUENCY
|
|
_attr_has_entity_name = True
|
|
_attr_name = None
|
|
_attr_native_unit_of_measurement = UnitOfFrequency.GIGAHERTZ
|
|
|
|
def __init__(self, entry: ConfigEntry) -> None:
|
|
"""Initialize the CPU sensor."""
|
|
self._attr_unique_id = entry.entry_id
|
|
self._attr_device_info = DeviceInfo(
|
|
name="CPU Speed",
|
|
identifiers={(DOMAIN, entry.entry_id)},
|
|
)
|
|
|
|
def update(self) -> None:
|
|
"""Get the latest data and updates the state."""
|
|
info = cpuinfo.get_cpu_info()
|
|
|
|
if info and HZ_ACTUAL in info:
|
|
self._attr_native_value = round(float(info[HZ_ACTUAL][0]) / 10**9, 2)
|
|
else:
|
|
self._attr_native_value = None
|
|
|
|
if info:
|
|
self._attr_extra_state_attributes = {
|
|
ATTR_ARCH: info.get("arch_string_raw"),
|
|
ATTR_BRAND: info.get("brand_raw"),
|
|
}
|
|
if HZ_ADVERTISED in info:
|
|
self._attr_extra_state_attributes[ATTR_HZ] = round(
|
|
info[HZ_ADVERTISED][0] / 10**9, 2
|
|
)
|