2019-03-23 08:00:43 +01:00
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"""Support for displaying the current CPU speed."""
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2015-10-15 12:13:04 +02:00
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import logging
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2019-10-19 20:33:05 +02:00
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from cpuinfo import cpuinfo
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2016-08-19 14:57:14 +02:00
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import voluptuous as vol
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from homeassistant.components.sensor import PLATFORM_SCHEMA
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2020-04-12 22:44:31 +02:00
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from homeassistant.const import CONF_NAME, FREQUENCY_GIGAHERTZ
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2019-10-19 20:33:05 +02:00
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import homeassistant.helpers.config_validation as cv
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2015-10-15 12:13:04 +02:00
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from homeassistant.helpers.entity import Entity
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2016-08-21 00:40:16 +02:00
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_LOGGER = logging.getLogger(__name__)
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2019-07-31 12:25:30 -07:00
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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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2016-08-21 00:40:16 +02:00
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2019-07-31 12:25:30 -07:00
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HZ_ACTUAL_RAW = "hz_actual_raw"
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HZ_ADVERTISED_RAW = "hz_advertised_raw"
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2019-01-31 23:58:29 -08:00
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2019-07-31 12:25:30 -07:00
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DEFAULT_NAME = "CPU speed"
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2017-06-05 17:35:26 +02:00
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2019-07-31 12:25:30 -07:00
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ICON = "mdi:pulse"
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2015-10-15 12:13:04 +02:00
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2019-07-31 12:25:30 -07:00
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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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2016-08-19 14:57:14 +02:00
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2015-10-15 12:13:04 +02:00
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2018-08-24 16:37:30 +02:00
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def setup_platform(hass, config, add_entities, discovery_info=None):
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2017-03-14 07:54:10 +01:00
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"""Set up the CPU speed sensor."""
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2020-04-14 20:38:55 +02:00
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name = config[CONF_NAME]
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2016-08-19 14:57:14 +02:00
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2018-08-24 16:37:30 +02:00
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add_entities([CpuSpeedSensor(name)], True)
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2015-10-15 12:13:04 +02:00
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class CpuSpeedSensor(Entity):
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2016-08-19 14:57:14 +02:00
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"""Representation of a CPU sensor."""
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2016-03-08 16:46:34 +01:00
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2015-10-15 12:13:04 +02:00
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def __init__(self, name):
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2016-03-08 16:46:34 +01:00
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"""Initialize the sensor."""
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2015-10-15 12:13:04 +02:00
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self._name = name
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self._state = None
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2017-06-05 17:35:26 +02:00
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self.info = None
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2015-10-15 12:13:04 +02:00
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@property
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def name(self):
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2016-03-08 16:46:34 +01:00
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"""Return the name of the sensor."""
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2015-10-15 12:13:04 +02:00
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return self._name
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@property
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def state(self):
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2016-03-08 16:46:34 +01:00
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"""Return the state of the sensor."""
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2015-10-15 12:13:04 +02:00
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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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2016-03-09 23:34:38 -08:00
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"""Return the unit the value is expressed in."""
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2020-04-12 22:44:31 +02:00
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return FREQUENCY_GIGAHERTZ
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2015-10-15 12:13:04 +02:00
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@property
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2016-02-06 22:28:29 -08:00
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def device_state_attributes(self):
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2016-03-08 16:46:34 +01:00
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"""Return the state attributes."""
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2015-10-15 12:13:04 +02:00
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if self.info is not None:
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2019-07-31 12:25:30 -07:00
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attrs = {ATTR_ARCH: self.info["arch"], ATTR_BRAND: self.info["brand"]}
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2015-10-15 12:13:04 +02:00
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2019-01-31 23:58:29 -08:00
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if HZ_ADVERTISED_RAW in self.info:
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2019-07-31 12:25:30 -07:00
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attrs[ATTR_HZ] = round(self.info[HZ_ADVERTISED_RAW][0] / 10 ** 9, 2)
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2019-01-31 23:58:29 -08:00
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return attrs
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2016-02-05 13:08:17 +01:00
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@property
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def icon(self):
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2016-03-08 16:46:34 +01:00
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"""Return the icon to use in the frontend, if any."""
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2016-02-05 13:08:17 +01:00
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return ICON
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2015-10-15 12:13:04 +02:00
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def update(self):
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2016-03-08 16:46:34 +01:00
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"""Get the latest data and updates the state."""
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2015-10-15 12:13:04 +02:00
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self.info = cpuinfo.get_cpu_info()
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2019-01-31 23:58:29 -08:00
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if HZ_ACTUAL_RAW in self.info:
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2019-07-31 12:25:30 -07:00
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self._state = round(float(self.info[HZ_ACTUAL_RAW][0]) / 10 ** 9, 2)
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2019-01-31 23:58:29 -08:00
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else:
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self._state = None
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