Source code for libqtile.widget.sensors

# -*- coding:utf-8 -*-
# Copyright (c) 2012 TiN
# Copyright (c) 2012, 2014 Tycho Andersen
# Copyright (c) 2013 Tao Sauvage
# Copyright (c) 2014-2015 Sean Vig
# Copyright (c) 2014 Adi Sieker
# Copyright (c) 2014 Foster McLane
#
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# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# The above copyright notice and this permission notice shall be included in
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import psutil

from libqtile.widget import base


[docs]class ThermalSensor(base.InLoopPollText): """Widget to display temperature sensor information For using the thermal sensor widget you need to have lm-sensors installed. You can get a list of the tag_sensors executing "sensors" in your terminal. Then you can choose which you want, otherwise it will display the first available. Widget requirements: psutil_. .. _psutil: https://pypi.org/project/psutil/ """ orientations = base.ORIENTATION_HORIZONTAL defaults = [ ('metric', True, 'True to use metric/C, False to use imperial/F'), ('show_tag', False, 'Show tag sensor'), ('update_interval', 2, 'Update interval in seconds'), ('tag_sensor', None, 'Tag of the temperature sensor. For example: "temp1" or "Core 0"'), ( 'threshold', 70, 'If the current temperature value is above, ' 'then change to foreground_alert colour' ), ('foreground_alert', 'ff0000', 'Foreground colour alert'), ] def __init__(self, **config): base.InLoopPollText.__init__(self, **config) self.add_defaults(ThermalSensor.defaults) temp_values = self.get_temp_sensors() self.foreground_normal = self.foreground if temp_values is None: self.data = "sensors command not found" elif len(temp_values) == 0: self.data = "Temperature sensors not found" elif self.tag_sensor is None: for k in temp_values: self.tag_sensor = k break def get_temp_sensors(self): """ Reads temperatures from sys-fs via psutil. Output will be read Fahrenheit if user has specified it to be. """ temperature_list = {} temps = psutil.sensors_temperatures(fahrenheit=not self.metric) unit = '°C' if self.metric else '°F' empty_index = 0 for kernel_module in temps: for sensor in temps[kernel_module]: label = sensor.label if not label: label = "{}-{}".format(kernel_module if kernel_module else 'UNKNOWN', str(empty_index)) empty_index += 1 temperature_list[label] = (str(round(sensor.current, 1)), unit) return temperature_list def poll(self): temp_values = self.get_temp_sensors() if temp_values is None: return False text = "" if self.show_tag and self.tag_sensor is not None: text = self.tag_sensor + ": " text += "".join(temp_values.get(self.tag_sensor, ['N/A'])) temp_value = float(temp_values.get(self.tag_sensor, [0])[0]) if temp_value > self.threshold: self.layout.colour = self.foreground_alert else: self.layout.colour = self.foreground_normal return text