Source code for libqtile.widget.pacman

# -*- coding:utf-8 -*-
# Copyright (C) 2012, Maximilian Köhl <>
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <>.

from . import base

import subprocess

[docs]class Pacman(base.ThreadedPollText): """ Shows number of available updates. Needs the pacman package manager installed. So will only work in Arch Linux installation. """ defaults = [ ('unavailable', 'ffffff', 'Unavailable Color - no updates.'), ('execute', None, 'Command to execute on click'), ('update_interval', 60, "The update interval."), ] def __init__(self, **config): base.ThreadedPollText.__init__(self, **config) self.add_defaults(Pacman.defaults) def draw(self): if self.text == '0': self.layout.colour = self.unavailable else: self.layout.colour = self.foreground base.ThreadedPollText.draw(self) def poll(self): pacman = subprocess.Popen(['checkupdates'], stdout=subprocess.PIPE) return str(len(pacman.stdout.readlines())) def button_press(self, x, y, button): base.ThreadedPollText.button_press(self, x, y, button) if button == 1 and self.execute is not None: subprocess.Popen([self.execute], shell=True)