# -*- coding: utf-8 -*-
# Copyright (c) 2015 Jörg Thalheim (Mic92)
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# 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
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# SOFTWARE.
import psutil
from libqtile.widget import base
__all__ = ["Memory"]
[docs]class Memory(base.ThreadedPollText):
"""Displays memory/swap usage
MemUsed: Returns memory in use
MemTotal: Returns total amount of memory
MemFree: Returns amount of memory free
Buffers: Returns buffer amount
Active: Returns active memory
Inactive: Returns inactive memory
Shmem: Returns shared memory
SwapTotal: Returns total amount of swap
SwapFree: Returns amount of swap free
SwapUsed: Returns amount of swap in use
Widget requirements: psutil_.
.. _psutil: https://pypi.org/project/psutil/
"""
orientations = base.ORIENTATION_HORIZONTAL
defaults = [
("format", "{MemUsed}M/{MemTotal}M", "Formatting for field names."),
("update_interval", 1.0, "Update interval for the Memory"),
]
def __init__(self, **config):
super().__init__(**config)
self.add_defaults(Memory.defaults)
def tick(self):
self.update(self.poll())
return self.update_interval
def poll(self):
mem = psutil.virtual_memory()
swap = psutil.swap_memory()
val = {}
val["MemUsed"] = mem.used // 1024 // 1024
val["MemTotal"] = mem.total // 1024 // 1024
val["MemFree"] = mem.free // 1024 // 1024
val["Buffers"] = mem.buffers // 1024 // 1024
val["Active"] = mem.active // 1024 // 1024
val["Inactive"] = mem.inactive // 1024 // 1024
val["Shmem"] = mem.shared // 1024 // 1024
val["SwapTotal"] = swap.total // 1024 // 1024
val["Swapfree"] = swap.free // 1024 // 1024
val["SwapUsed"] = swap.used // 1024 // 1024
return self.format.format(**val)