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SickRage/sickbeard/notifiers/libnotify.py

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# Author: Nic Wolfe <nic@wolfeden.ca>
# URL: http://code.google.com/p/sickbeard/
#
# This file is part of Sick Beard.
#
# Sick Beard 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.
#
# Sick Beard 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 Sick Beard. If not, see <http://www.gnu.org/licenses/>.
import os
import cgi
import sickbeard
from sickbeard import logger, common
def diagnose():
'''
Check the environment for reasons libnotify isn't working. Return a
user-readable message indicating possible issues.
'''
try:
import pynotify #@UnusedImport
except ImportError:
return (u"<p>Error: pynotify isn't installed. On Ubuntu/Debian, install the "
u"<a href=\"apt:python-notify\">python-notify</a> package.")
if 'DISPLAY' not in os.environ and 'DBUS_SESSION_BUS_ADDRESS' not in os.environ:
return (u"<p>Error: Environment variables DISPLAY and DBUS_SESSION_BUS_ADDRESS "
u"aren't set. libnotify will only work when you run Sick Beard "
u"from a desktop login.")
try:
import dbus
except ImportError:
pass
else:
try:
bus = dbus.SessionBus()
except dbus.DBusException, e:
return (u"<p>Error: unable to connect to D-Bus session bus: <code>%s</code>."
u"<p>Are you running Sick Beard in a desktop session?") % (cgi.escape(e),)
try:
bus.get_object('org.freedesktop.Notifications',
'/org/freedesktop/Notifications')
except dbus.DBusException, e:
return (u"<p>Error: there doesn't seem to be a notification daemon available: <code>%s</code> "
u"<p>Try installing notification-daemon or notify-osd.") % (cgi.escape(e),)
return u"<p>Error: Unable to send notification."
class LibnotifyNotifier:
def __init__(self):
self.pynotify = None
self.gobject = None
def init_pynotify(self):
if self.pynotify is not None:
return True
try:
import pynotify
except ImportError:
logger.log(u"Unable to import pynotify. libnotify notifications won't work.")
return False
try:
import gobject
except ImportError:
logger.log(u"Unable to import gobject. We can't catch a GError in display.")
return False
if not pynotify.init('Sick Beard'):
logger.log(u"Initialization of pynotify failed. libnotify notifications won't work.")
return False
self.pynotify = pynotify
self.gobject = gobject
return True
def notify_snatch(self, ep_name):
if sickbeard.LIBNOTIFY_NOTIFY_ONSNATCH:
self._notify(common.notifyStrings[common.NOTIFY_SNATCH], ep_name)
def notify_download(self, ep_name):
if sickbeard.LIBNOTIFY_NOTIFY_ONDOWNLOAD:
self._notify(common.notifyStrings[common.NOTIFY_DOWNLOAD], ep_name)
def notify_subtitle_download(self, ep_name, lang):
if sickbeard.LIBNOTIFY_NOTIFY_ONSUBTITLEDOWNLOAD:
self._notify(common.notifyStrings[common.NOTIFY_SUBTITLE_DOWNLOAD], ep_name + ": " + lang)
def test_notify(self):
return self._notify('Test notification', "This is a test notification from Sick Beard", force=True)
def _notify(self, title, message, force=False):
if not sickbeard.USE_LIBNOTIFY and not force:
return False
if not self.init_pynotify():
return False
# Can't make this a global constant because PROG_DIR isn't available
# when the module is imported.
icon_path = os.path.join(sickbeard.PROG_DIR, "data/images/sickbeard_touch_icon.png")
icon_uri = 'file://' + os.path.abspath(icon_path)
# If the session bus can't be acquired here a bunch of warning messages
# will be printed but the call to show() will still return True.
# pynotify doesn't seem too keen on error handling.
n = self.pynotify.Notification(title, message, icon_uri)
try:
return n.show()
except self.gobject.GError:
return False
notifier = LibnotifyNotifier