158 lines
5.8 KiB
Python
158 lines
5.8 KiB
Python
"""Multiwidget CPU module
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Can display any combination of:
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* max CPU frequency
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* total CPU load in percents (integer value)
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* per-core CPU load as graph - either mono or colored
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* CPU temperature (in Celsius degrees)
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* CPU fan speed
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Requirements:
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* the psutil Python module for the first three items from the list above
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* sensors executable for the rest
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Parameters:
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* cpu2.layout: Space-separated list of widgets to add.
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Possible widgets are:
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* cpu2.maxfreq
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* cpu2.cpuload
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* cpu2.coresload
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* cpu2.temp
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* cpu2.fanspeed
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* cpu2.colored: 1 for colored per core load graph, 0 for mono (default)
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if this is set to 1, use --markup=pango
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* cpu2.temp_pattern: pattern to look for in the output of 'sensors -u';
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required if cpu2.temp widged is used
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* cpu2.fan_pattern: pattern to look for in the output of 'sensors -u';
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required if cpu2.fanspeed widged is used
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Note: if you are getting 'n/a' for CPU temperature / fan speed, then you're
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lacking the aforementioned pattern settings or they have wrong values.
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"""
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import psutil
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import core.module
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import core.widget
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import util.cli
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import util.graph
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import util.format
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class Module(core.module.Module):
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def __init__(self, config):
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super().__init__(config, [])
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self.__layout = self.parameter('layout', 'cpu2.maxfreq cpu2.cpuload cpu2.coresload cpu2.temp cpu2.fanspeed')
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self.__widget_names = self.__layout.split()
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self.__colored = util.format.asbool(self.parameter('colored', False))
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widget_list = []
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for widget_name in self.__widget_names:
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if widget_name == 'cpu2.maxfreq':
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widget = core.widget.Widget(
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name=widget_name, full_text=self.maxfreq)
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widget.set('type', 'freq')
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elif widget_name == 'cpu2.cpuload':
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widget = core.widget.Widget(
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name=widget_name, full_text=self.cpuload)
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widget.set('type', 'load')
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elif widget_name == 'cpu2.coresload':
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widget = core.widget.Widget(
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name=widget_name, full_text=self.coresload)
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widget.set('type', 'loads')
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elif widget_name == 'cpu2.temp':
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widget = core.widget.Widget(
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name=widget_name, full_text=self.temp)
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widget.set('type', 'temp')
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elif widget_name == 'cpu2.fanspeed':
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widget = core.widget.Widget(
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name=widget_name, full_text=self.fanspeed)
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widget.set('type', 'fan')
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if self.__colored:
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widget.set('pango', True)
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widget_list.append(widget)
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self.widgets(widget_list)
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self.__temp_pattern = self.parameter('temp_pattern')
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if self.__temp_pattern is None:
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self.__temp = 'n/a'
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self.__fan_pattern = self.parameter('fan_pattern')
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if self.__fan_pattern is None:
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self.__fan = 'n/a'
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# maxfreq is loaded only once at startup
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if 'cpu2.maxfreq' in self.__widget_names:
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self.__maxfreq = psutil.cpu_freq().max / 1000
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def maxfreq(self, _):
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return '{:.2f}GHz'.format(self.__maxfreq)
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def cpuload(self, _):
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return '{:>3}%'.format(self.__cpuload)
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def add_color(self, bar):
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"""add color as pango markup to a bar"""
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if bar in ['▁', '▂']:
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color = self.theme.color('green', 'green')
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elif bar in ['▃', '▄']:
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color = self.theme.color('yellow', 'yellow')
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elif bar in ['▅', '▆']:
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color = self.theme.color('orange', 'orange')
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elif bar in ['▇', '█']:
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color = self.theme.color('red', 'red')
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colored_bar = '<span foreground="{}">{}</span>'.format(color, bar)
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return colored_bar
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def coresload(self, _):
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mono_bars = [util.graph.hbar(x) for x in self.__coresload]
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if not self.__colored:
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return ''.join(mono_bars)
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colored_bars = [self.add_color(x) for x in mono_bars]
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return ''.join(colored_bars)
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def temp(self, _):
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if self.__temp == 'n/a' or self.__temp == 0:
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return 'n/a'
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return '{}°C'.format(self.__temp)
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def fanspeed(self, _):
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if self.__fanspeed == 'n/a':
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return 'n/a'
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return '{}RPM'.format(self.__fanspeed)
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def _parse_sensors_output(self):
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output = util.cli.execute('sensors -u')
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lines = output.split('\n')
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temp = 'n/a'
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fan = 'n/a'
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temp_line = None
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fan_line = None
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for line in lines:
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if self.__temp_pattern is not None and self.__temp_pattern in line:
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temp_line = line
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if self.__fan_pattern is not None and self.__fan_pattern in line:
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fan_line = line
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if temp_line is not None and fan_line is not None:
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break
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if temp_line is not None:
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temp = round(float(temp_line.split(':')[1].strip()))
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if fan_line is not None:
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fan = int(fan_line.split(':')[1].strip()[:-4])
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return temp, fan
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def update(self):
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if 'cpu2.maxfreq' in self.__widget_names:
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self.__maxfreq = psutil.cpu_freq().max / 1000
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if 'cpu2.cpuload' in self.__widget_names:
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self.__cpuload = round(psutil.cpu_percent(percpu=False))
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if 'cpu2.coresload' in self.__widget_names:
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self.__coresload = psutil.cpu_percent(percpu=True)
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if 'cpu2.temp' in self.__widget_names or 'cpu2.fanspeed' in self.__widget_names:
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self.__temp, self.__fanspeed = self._parse_sensors_output()
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def state(self, widget):
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"""for having per-widget icons"""
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return [widget.get('type', '')]
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# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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