86 lines
2.2 KiB
Python
86 lines
2.2 KiB
Python
"""
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Support for displaying the current CPU speed.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/sensor.cpuspeed/
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"""
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import logging
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import voluptuous as vol
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from homeassistant.components.sensor import PLATFORM_SCHEMA
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from homeassistant.const import CONF_NAME
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.entity import Entity
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REQUIREMENTS = ['py-cpuinfo==3.2.0']
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_LOGGER = logging.getLogger(__name__)
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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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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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# pylint: disable=unused-variable
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def setup_platform(hass, config, add_devices, discovery_info=None):
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"""Set up the CPU speed sensor."""
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name = config.get(CONF_NAME)
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add_devices([CpuSpeedSensor(name)])
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class CpuSpeedSensor(Entity):
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"""Representation of a CPU sensor."""
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def __init__(self, name):
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"""Initialize the sensor."""
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self._name = name
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self._state = None
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self._unit_of_measurement = 'GHz'
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self.update()
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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 self._unit_of_measurement
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@property
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def device_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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return {
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ATTR_ARCH: self.info['arch'],
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ATTR_BRAND: self.info['brand'],
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ATTR_HZ: round(self.info['hz_advertised_raw'][0]/10**9, 2)
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}
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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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from cpuinfo import cpuinfo
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self.info = cpuinfo.get_cpu_info()
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self._state = round(float(self.info['hz_actual_raw'][0])/10**9, 2)
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