/usr/lib/update-notifier/backend_helper.py is in update-notifier-common 0.119ubuntu8.1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 | #!/usr/bin/python
import argparse
import dbus
import logging
import os
import subprocess
import sys
GKSU = ["/usr/bin/gksu"]
SYNPATIC_DESKTOP = ["--desktop",
"/usr/share/applications/synaptic.desktop",
"--"]
HAVE_APTDAEMON = False
try:
import aptdaemon.gtk3widgets
HAVE_APTDAEMON=True
except ImportError:
pass
# show updates
def show_updates():
""" show updates using update-manager """
cmd = ["update-manager"]
res = subprocess.call(cmd)
return (res == 0)
# install all updates
def _install_all_updates_aptdaemon():
from gi.repository import Gtk
from aptdaemon import client, enums
from aptdaemon.gtk3widgets import AptProgressDialog
client = client.AptClient()
trans = client.upgrade_system(safe_mode=True)
dia = AptProgressDialog(trans)
dia.connect("finished", Gtk.main_quit)
dia.run()
Gtk.main()
return trans.exit == enums.EXIT_SUCCESS
def _install_all_updates_gksu():
cmd = GKSU + SYNPATIC_DESKTOP + [ "/usr/sbin/synaptic ",
"--dist-upgrade-mode",
"--non-interactive",
"--hide-main-window",
"-o", "Synaptic::AskRelated=true",
]
return subprocess.call(cmd)
def install_all_updates():
""" install all updates either with synaptic or aptdaemon """
if HAVE_APTDAEMON:
return _install_all_updates_aptdaemon()
else:
return _install_all_updates_gksu()
# check updates
def _check_updates_aptdaemon():
from gi.repository import Gtk
from aptdaemon import client, enums
from aptdaemon.gtk3widgets import AptProgressDialog
client = client.AptClient()
trans = client.update_cache()
dia = AptProgressDialog(trans)
dia.connect("finished", Gtk.main_quit)
dia.run()
Gtk.main()
return trans.exit == enums.EXIT_SUCCESS
def _check_updates_gtk():
cmd = GKSU + SYNPATIC_DESKTOP + ["/usr/sbin/synaptic",
"--update-at-startup",
"--non-interactive",
"--hide-main-window",
]
subprocess.call(cmd)
def check_updates():
""" check for updates either with aptdaemon or synaptic """
if HAVE_APTDAEMON:
return _check_updates_aptdaemon()
else:
return _check_updates_gtk()
# start packagemanager
def start_packagemanager():
if os.path.exists("/usr/sbin/synaptic"):
cmd = GKSU + SYNPATIC_DESKTOP + ["/usr/sbin/synaptic"]
return subprocess.call(cmd)
elif os.path.exists("/usr/bin/software-center"):
return subprocess.call(["/usr/bin/software-center"])
else:
logging.error("neither synaptic nor software-center installed")
# add cdrom
def _add_cdrom_sp(mount_path):
from gi.repository import Gtk
bus = dbus.SystemBus()
proxy = bus.get_object("com.ubuntu.SoftwareProperties", "/")
backend = dbus.Interface(proxy, "com.ubuntu.SoftwareProperties")
backend.AddCdromSource()
backend.connect_to_signal(
"SourcesListModified", Gtk.main_quit)
backend.connect_to_signal(
"CdromScanFailed", Gtk.main_quit)
Gtk.main()
if os.path.exists("/usr/bin/software-center"):
subprocess.call(["/usr/bin/software-center"])
def _add_cdrom_synaptic(mount_path):
cmd = GKSU + SYNPATIC_DESKTOP + ["synaptic", "--add-cdrom", mount_path]
return subprocess.call(cmd)
def add_cdrom(mount_path):
if os.path.exists("/usr/sbin/synaptic"):
_add_cdrom_synaptic(mount_path)
else:
_add_cdrom_sp(mount_path)
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description='backend helper for update-notifier')
parser.add_argument(
'--debug', default=False, action="store_true",
help='extra debug output')
subparser = parser.add_subparsers(title="Commands")
# show_update - update-manager
command = subparser.add_parser("show_updates")
command.set_defaults(command="show_updates")
# install_all - synaptic/aptdaemon install noninteractivly
command = subparser.add_parser("install_all_updates")
command.set_defaults(command="install_all_updates")
# check_updates - synaptic --reload/aptdaemon reload
command = subparser.add_parser("check_updates")
command.set_defaults(command="check_updates")
# start_pkgmanager
command = subparser.add_parser("start_packagemanager")
command.set_defaults(command="start_packagemanager")
# add_cdrom
command = subparser.add_parser("add_cdrom")
command.add_argument("mount_path")
command.set_defaults(command="add_cdrom")
args = parser.parse_args()
if args.debug:
logging.basicConfig(level=logging.DEBUG)
else:
logging.basicConfig(level=logging.INFO)
func_name = args.command
f_kwargs = {}
f = globals()[func_name]
if args.command == "add_cdrom":
f_kwargs["mount_path"] = args.mount_path
res = f(**f_kwargs)
if not res:
sys.exit(1)
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