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#!/usr/bin/python3
#
# Copyright (C) 2017 Marcel Patzwahl
# Licensed under the terms of the GNU GPL v3 only.
#
# i3blocks blocklet script to see the available updates of pacman and the AUR
import subprocess
from subprocess import check_output
import argparse
import re
def create_argparse():
parser = argparse.ArgumentParser(description='Check for pacman updates')
parser.add_argument(
'-b',
'--base_color',
default='cyan',
help='base color of the output(default=cyan)'
)
parser.add_argument(
'-u',
'--updates_available_color',
default='yellow',
help='color of the output, when updates are available(default=yellow)'
)
parser.add_argument(
'-a',
'--aur',
action='store_true',
help='Include AUR packages. Attn: Yaourt must be installed'
)
parser.add_argument(
'-q',
'--quiet',
action='store_true',
help='Do not produce output when system is up to date'
)
parser.add_argument(
'-w',
'--watch',
nargs='*',
default=[],
help='Explicitly watch for specified packages. '
'Listed elements are treated as regular expressions for matching.'
)
return parser.parse_args()
def get_updates():
output = check_output(['checkupdates']).decode('utf-8')
if not output:
return []
updates = [line.split(' ')[0]
for line in output.split('\n')
if line]
return updates
def get_aur_updates():
output = ''
try:
output = check_output(['yaourt', '-Qua']).decode('utf-8')
except subprocess.CalledProcessError as exc:
# yaourt exits with 1 and no output if no updates are available.
# we ignore this case and go on
if not (exc.returncode == 1 and not exc.output):
raise exc
if not output:
return []
aur_updates = [line.split(' ')[0]
for line in output.split('\n')
if line.startswith('aur/')]
return aur_updates
def matching_updates(updates, watch_list):
matches = set()
for u in updates:
for w in watch_list:
if re.match(w, u):
matches.add(u)
return matches
message = "<span color='{0}'>{1}</span>"
args = create_argparse()
updates = get_updates()
if args.aur:
updates += get_aur_updates()
update_count = len(updates)
if update_count > 0:
info = '-Syu : {}'.format(update_count)
matches = matching_updates(updates, args.watch)
if matches:
info += ' [{0}]'.format(', '.join(matches))
print(message.format(args.updates_available_color, info))
import os
if 'BLOCK_BUTTON' in os.environ:
button = os.environ['BLOCK_BUTTON']
if button is not '':
button = int(button)
if button is 1:
subprocess.call("termite -e 'sudo pacman -Syu' --hold",
shell=True)
elif not args.quiet:
print(message.format(args.base_color, '-Syu '))
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