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from itertools import cycle
from psutil import getloadavg
from libqtile.command.base import expose_command
from libqtile.widget import base
[docs]class Load(base.ThreadPoolText):
"""
A small widget to show the load averages of the system.
Depends on psutil.
"""
defaults = [
("update_interval", 1.0, "The update interval for the widget"),
("format", "Load({time}):{load:.2f}", "The format in which to display the results."),
]
times = ["1m", "5m", "15m"]
def __init__(self, **config):
super().__init__("", **config)
self.add_defaults(Load.defaults)
self.add_callbacks({"Button1": self.next_load})
self.cycled_times = cycle(Load.times)
self.set_time()
def set_time(self):
self.time = next(self.cycled_times)
[docs] @expose_command()
def next_load(self):
self.set_time()
self.update(self.poll())
def poll(self):
loads = {}
(
loads["1m"],
loads["5m"],
loads["15m"],
) = getloadavg() # Gets the load averages as a dictionary.
load = loads[self.time]
return self.format.format(time=self.time, load=load)