79 lines
2.1 KiB
Python
79 lines
2.1 KiB
Python
"""Support for displaying the current CPU speed."""
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from cpuinfo import cpuinfo
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import voluptuous as vol
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from homeassistant.components.sensor import PLATFORM_SCHEMA, SensorEntity
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from homeassistant.const import CONF_NAME, FREQUENCY_GIGAHERTZ
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import homeassistant.helpers.config_validation as cv
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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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DEFAULT_NAME = "CPU speed"
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ICON = "mdi:pulse"
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string}
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)
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Set up the CPU speed sensor."""
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name = config[CONF_NAME]
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add_entities([CpuSpeedSensor(name)], True)
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class CpuSpeedSensor(SensorEntity):
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"""Representation of a CPU sensor."""
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def __init__(self, name):
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"""Initialize the CPU sensor."""
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self._name = name
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self._state = None
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self.info = None
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@property
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def name(self):
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"""Return the name of the sensor."""
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return self._name
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@property
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def state(self):
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"""Return the state of the sensor."""
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return self._state
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@property
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def unit_of_measurement(self):
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"""Return the unit the value is expressed in."""
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return FREQUENCY_GIGAHERTZ
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@property
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def extra_state_attributes(self):
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"""Return the state attributes."""
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if self.info is not None:
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attrs = {
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ATTR_ARCH: self.info["arch_string_raw"],
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ATTR_BRAND: self.info["brand_raw"],
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}
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if HZ_ADVERTISED in self.info:
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attrs[ATTR_HZ] = round(self.info[HZ_ADVERTISED][0] / 10 ** 9, 2)
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return attrs
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@property
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def icon(self):
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"""Return the icon to use in the frontend, if any."""
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return ICON
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def update(self):
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"""Get the latest data and updates the state."""
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self.info = cpuinfo.get_cpu_info()
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if HZ_ACTUAL in self.info:
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self._state = round(float(self.info[HZ_ACTUAL][0]) / 10 ** 9, 2)
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else:
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self._state = None
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