# Copyright (c) 2015 Ali Mousavi
#
# 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
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
import os
from subprocess import CalledProcessError, Popen
from libqtile.log_utils import logger
from libqtile.widget import base
[docs]class CheckUpdates(base.ThreadedPollText):
"""Shows number of pending updates in different unix systems"""
orientations = base.ORIENTATION_HORIZONTAL
defaults = [
("distro", "Arch", "Name of your distribution"),
("custom_command", None, "Custom shell command for checking updates (counts the lines of the output)"),
("update_interval", 60, "Update interval in seconds."),
('execute', None, 'Command to execute on click'),
("display_format", "Updates: {updates}", "Display format if updates available"),
("colour_no_updates", "ffffff", "Colour when there's no updates."),
("colour_have_updates", "ffffff", "Colour when there are updates."),
("restart_indicator", "", "Indicator to represent reboot is required. (Ubuntu only)")
]
def __init__(self, **config):
base.ThreadedPollText.__init__(self, **config)
self.add_defaults(CheckUpdates.defaults)
# format: "Distro": ("cmd", "number of lines to subtract from output")
self.cmd_dict = {"Arch": ("pacman -Qu", 0),
"Arch_checkupdates": ("checkupdates", 0),
"Arch_Sup": ("pacman -Sup", 1),
"Arch_yay": ("yay -Qu", 0),
"Debian": ("apt-show-versions -u -b", 0),
"Ubuntu": ("aptitude search ~U", 0),
"Fedora": ("dnf list updates", 3),
"FreeBSD": ("pkg_version -I -l '<'", 0),
"Mandriva": ("urpmq --auto-select", 0)
}
# Check if distro name is valid.
try:
self.cmd = self.cmd_dict[self.distro][0].split()
self.subtr = self.cmd_dict[self.distro][1]
except KeyError:
distros = sorted(self.cmd_dict.keys())
logger.error(self.distro + ' is not a valid distro name. ' +
'Use one of the list: ' + str(distros) + '.')
self.cmd = None
def _check_updates(self):
# type: () -> str
try:
if self.custom_command is None:
updates = self.call_process(self.cmd)
else:
updates = self.call_process(self.custom_command, shell=True)
self.subtr = 0
except CalledProcessError:
updates = ""
num_updates = len(updates.splitlines()) - self.subtr
if num_updates == 0:
return ""
num_updates = str(num_updates)
if self.restart_indicator and os.path.exists('/var/run/reboot-required'):
num_updates += self.restart_indicator
self._set_colour(num_updates)
return self.display_format.format(**{"updates": num_updates})
def _set_colour(self, num_updates):
# type: (str) -> None
if not num_updates.startswith("0"):
self.layout.colour = self.colour_have_updates
else:
self.layout.colour = self.colour_no_updates
def poll(self):
# type: () -> str
if not self.cmd:
return "N/A"
return self._check_updates()
def button_press(self, x, y, button):
# type: (int, int, int) -> None
base.ThreadedPollText.button_press(self, x, y, button)
if button == 1 and self.execute is not None:
Popen(self.execute, shell=True)