92 lines
2.3 KiB
Python
92 lines
2.3 KiB
Python
"""Support for displaying the current CPU speed."""
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import logging
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import voluptuous as vol
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import homeassistant.helpers.config_validation as cv
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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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from homeassistant.helpers.entity import Entity
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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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HZ_ACTUAL_RAW = 'hz_actual_raw'
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HZ_ADVERTISED_RAW = 'hz_advertised_raw'
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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.get(CONF_NAME)
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add_entities([CpuSpeedSensor(name)], True)
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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.info = None
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self._unit_of_measurement = 'GHz'
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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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attrs = {
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ATTR_ARCH: self.info['arch'],
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ATTR_BRAND: self.info['brand'],
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}
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if HZ_ADVERTISED_RAW in self.info:
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attrs[ATTR_HZ] = round(
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self.info[HZ_ADVERTISED_RAW][0] / 10 ** 9, 2
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)
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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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from cpuinfo import cpuinfo
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self.info = cpuinfo.get_cpu_info()
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if HZ_ACTUAL_RAW in self.info:
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self._state = round(
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float(self.info[HZ_ACTUAL_RAW][0]) / 10 ** 9, 2
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)
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else:
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self._state = None
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