58 lines
1.7 KiB
Python
58 lines
1.7 KiB
Python
"""Support for displaying the current CPU speed."""
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from __future__ import annotations
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from cpuinfo import cpuinfo
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from homeassistant.components.sensor import SensorEntity
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import FREQUENCY_GIGAHERTZ
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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ATTR_BRAND = "brand"
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ATTR_HZ = "ghz_advertised"
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ATTR_ARCH = "arch"
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HZ_ACTUAL = "hz_actual"
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HZ_ADVERTISED = "hz_advertised"
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async def async_setup_entry(
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hass: HomeAssistant,
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entry: ConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Set up the platform from config_entry."""
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async_add_entities([CPUSpeedSensor(entry)], True)
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class CPUSpeedSensor(SensorEntity):
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"""Representation of a CPU sensor."""
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_attr_icon = "mdi:pulse"
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_attr_name = "CPU Speed"
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_attr_native_unit_of_measurement = FREQUENCY_GIGAHERTZ
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def __init__(self, entry: ConfigEntry) -> None:
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"""Initialize the CPU sensor."""
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self._attr_unique_id = entry.entry_id
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def update(self) -> None:
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"""Get the latest data and updates the state."""
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info = cpuinfo.get_cpu_info()
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if info and HZ_ACTUAL in info:
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self._attr_native_value = round(float(info[HZ_ACTUAL][0]) / 10**9, 2)
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else:
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self._attr_native_value = None
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if info:
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self._attr_extra_state_attributes = {
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ATTR_ARCH: info.get("arch_string_raw"),
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ATTR_BRAND: info.get("brand_raw"),
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}
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if HZ_ADVERTISED in info:
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self._attr_extra_state_attributes[ATTR_HZ] = round(
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info[HZ_ADVERTISED][0] / 10**9, 2
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)
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