core/homeassistant/components/cpuspeed/sensor.py

91 lines
2.8 KiB
Python

"""Support for displaying the current CPU speed."""
from __future__ import annotations
from cpuinfo import cpuinfo
import voluptuous as vol
from homeassistant.components.sensor import PLATFORM_SCHEMA, SensorEntity
from homeassistant.config_entries import SOURCE_IMPORT, ConfigEntry
from homeassistant.const import CONF_NAME, FREQUENCY_GIGAHERTZ
from homeassistant.core import HomeAssistant
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
from .const import DOMAIN, LOGGER
ATTR_BRAND = "brand"
ATTR_HZ = "ghz_advertised"
ATTR_ARCH = "arch"
HZ_ACTUAL = "hz_actual"
HZ_ADVERTISED = "hz_advertised"
DEFAULT_NAME = "CPU speed"
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string}
)
async def async_setup_platform(
hass: HomeAssistant,
config: ConfigType,
async_add_entities: AddEntitiesCallback,
discovery_info: DiscoveryInfoType | None = None,
) -> None:
"""Set up the CPU speed sensor."""
LOGGER.warning(
"Configuration of the CPU Speed platform in YAML is deprecated and will be "
"removed in Home Assistant 2022.4; Your existing configuration "
"has been imported into the UI automatically and can be safely removed "
"from your configuration.yaml file"
)
hass.async_create_task(
hass.config_entries.flow.async_init(
DOMAIN,
context={"source": SOURCE_IMPORT},
data={CONF_NAME: config[CONF_NAME]},
)
)
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_icon = "mdi:pulse"
_attr_name = "CPU Speed"
_attr_native_unit_of_measurement = FREQUENCY_GIGAHERTZ
def __init__(self, entry: ConfigEntry) -> None:
"""Initialize the CPU sensor."""
self._attr_unique_id = 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["arch_string_raw"],
ATTR_BRAND: info["brand_raw"],
}
if HZ_ADVERTISED in info:
self._attr_extra_state_attributes[ATTR_HZ] = round(
info[HZ_ADVERTISED][0] / 10 ** 9, 2
)