/usr/share/avant-window-navigator/applets/thinkhdaps/thinkhdaps.py is in awn-applet-thinkhdaps 0.4.1~bzr1507-0ubuntu7.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 | #!/usr/bin/python
# Copyright (C) 2008 - 2010 onox <denkpadje@gmail.com>
#
# 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, version 3 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# 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 <http://www.gnu.org/licenses/>.
import os
import platform
import pygtk
pygtk.require("2.0")
import gtk
from awn.extras import _, awnlib, __version__
from awn import OverlayThemedIcon
import glib
try:
from pyinotify import WatchManager, ThreadedNotifier, IN_MODIFY
pyinotify = True
except ImportError:
pyinotify = None
applet_name = _("ThinkHDAPS")
applet_description = _("Applet that shows the shock protection status of your disks")
# Interval in seconds between two successive status checks
check_status_interval = 0.1
hdaps_short_description = _("%s protected from shocks")
no_hdaps_short_description = _("%s not protected from shocks")
# Logo of the applet, shown in the GTK+ About dialog
applet_logo = os.path.join(os.path.dirname(__file__), "images/thinkhdaps-logo.svg")
def compare_linux_version(wanted_version):
version = map(int, platform.release().split("-")[0].split("."))
return awnlib.is_required_version(version, wanted_version)
version_at_least_2_6_27 = compare_linux_version([2, 6, 27])
sysfs_dir = "/sys/block"
if version_at_least_2_6_27:
protect_file = "device/unload_heads"
else:
method_file = "queue/protect_method"
protect_file = "queue/protect"
notifier = None
class ThinkHDAPSApplet:
"""Applet that shows the status of HDAPS.
"""
__hdaps_device = None
__was_paused = False
__error_occurred = False
def check_status_cb(self):
"""Check the status the hard disk monitored by HDAPS and change
the applet's icon if necessary,
"""
try:
paused = bool(int(open(self.__status_file).readline()))
# Change icon if status has changed
if paused != self.__was_paused or self.__error_occurred:
self.icon_paused.props.active = paused
self.icon_running.props.active = not paused
if self.__error_occurred:
self.__error_occurred = False
self.applet.tooltip.set(hdaps_short_description % self.__hdaps_device)
self.__was_paused = paused
except IOError:
if not self.__error_occurred:
self.__error_occurred = True
self.set_error_icon()
self.applet.tooltip.set(no_hdaps_short_description % self.__hdaps_device)
def __init__(self, applet):
self.applet = applet
applet.tooltip.disable_toggle_on_click()
applet.icon.theme("drive-harddisk")
if version_at_least_2_6_27:
def can_unload(disk):
file = os.path.join(sysfs_dir, disk, protect_file)
if not os.path.isfile(file):
return False
try:
open(file).read()
return True
except IOError:
return False
else:
def can_unload(disk):
file = os.path.join(sysfs_dir, disk, method_file)
return os.path.isfile(file) and "[unload]" in open(file).read()
disks = [disk for disk in os.listdir(sysfs_dir) if can_unload(disk)]
if len(disks) > 0:
self.__hdaps_device = disks[0]
self.icon_running = OverlayThemedIcon("thinkhdaps-running")
self.icon_running.props.scale = 0.6
self.icon_paused = OverlayThemedIcon("thinkhdaps-paused")
self.icon_paused.props.scale = 0.5
self.icon_error = OverlayThemedIcon("dialog-error")
self.icon_error.props.scale = 0.6
for overlay in (self.icon_running, self.icon_paused, self.icon_error):
overlay.props.gravity = gtk.gdk.GRAVITY_NORTH_WEST
overlay.props.active = False
applet.add_overlay(overlay)
if self.__hdaps_device is not None:
self.icon_running.props.active = True
self.__status_file = os.path.join(sysfs_dir, self.__hdaps_device, protect_file)
applet.tooltip.set(hdaps_short_description % self.__hdaps_device)
if not self.setup_inotify():
applet.timing.register(self.check_status_cb, check_status_interval)
else:
self.set_error_icon()
applet.tooltip.set(_("No hard disk found"))
def setup_inotify(self):
if pyinotify is None:
return False
watch_manager = WatchManager()
result = watch_manager.add_watch(self.__status_file, IN_MODIFY)[self.__status_file] > 0
if result:
global notifier
def notify_cb(event):
glib.idle_add(self.check_status_cb)
notifier = ThreadedNotifier(watch_manager, notify_cb)
notifier.start()
return result
def set_error_icon(self):
self.icon_paused.props.active = False
self.icon_running.props.active = False
self.icon_error.props.active = True
if __name__ == "__main__":
awnlib.init_start(ThinkHDAPSApplet, {"name": applet_name,
"short": "thinkhdaps",
"version": __version__,
"description": applet_description,
"logo": applet_logo,
"author": "onox",
"copyright-year": "2008 - 2009",
"authors": ["onox <denkpadje@gmail.com>"],
"artists": ["Jakub Steiner", "Lapo Calamandrei", "Rodney Dawes", "Garrett LeSage", "onox"]})
if notifier is not None:
notifier.stop()
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