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toolbox.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# (c) Copyright 2003-2008 Hewlett-Packard Development Company, L.P.
#
# 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; either version 2 of the License, or
# (at your option) any later version.
#
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Author: Don Welch
#
# Thanks to Henrique M. Holschuh <hmh@debian.org> for various security patches
#
__version__ = '14.0'
__title__ = 'HP Device Manager'
__doc__ = "The HP Device Manager (aka Toolbox) for HPLIP supported devices. Provides status, tools, and supplies levels."
# Std Lib
import sys
import os
import getopt
import signal
# Local
from base.g import *
import base.utils as utils
from base import status, tui
w = None # write pipe
app = None
toolbox = None
loc = None
session_bus = None
USAGE = [(__doc__, "", "name", True),
("Usage: hp-toolbox [OPTIONS]", "", "summary", True),
utils.USAGE_OPTIONS,
("Activate device on startup:", "-d<device_uri> or --device=<device_uri>", "option", False),
#("Activate printer on startup:", "-p<printer> or --printer=<printer>", "option", False),
#("Activate function on startup:", "-f<function> or --function=<function>", "option", False),
("Disable dbus:", "-x or --disable-dbus", "option", False),
utils.USAGE_LANGUAGE,
utils.USAGE_LOGGING1, utils.USAGE_LOGGING2, utils.USAGE_LOGGING3,
utils.USAGE_HELP,
utils.USAGE_SEEALSO,
("hp-info", "", "seealso", False),
("hp-clean", "", "seealso", False),
("hp-colorcal", "", "seealso", False),
("hp-align", "", "seealso", False),
("hp-print", "", "seealso", False),
("hp-sendfax", "", "seealso", False),
("hp-fab", "", "seealso", False),
("hp-testpage", "", "seealso", False),
]
def usage(typ='text'):
if typ == 'text':
utils.log_title(__title__, __version__)
utils.format_text(USAGE, typ, __title__, 'hp-toolbox', __version__)
sys.exit(0)
def handle_session_signal(*args, **kwds):
if kwds['interface'] == 'com.hplip.Toolbox' and \
kwds['member'] == 'Event':
event = device.Event(*args)
if event.event_code > EVENT_MAX_EVENT:
event.event_code = status.MapPJLErrorCode(event.event_code)
# regular user/device status event
log.debug("Received event notifier: %d" % event.event_code)
if w is not None:
log.debug("Sending event to toolbox UI...")
try:
os.write(w, event.pack())
except OSError:
log.debug("Failed. Exiting...")
# if this fails, then hp-toolbox must be killed.
# No need to continue running...
sys.exit(1)
log.set_module('hp-toolbox(init)')
try:
opts, args = getopt.getopt(sys.argv[1:], 'l:hgq:d:x',
['level=', 'help', 'help-rest', 'help-man', 'help-desc',
'lang=', 'device=', 'disable-dbus'])
except getopt.GetoptError, e:
log.error(e.msg)
usage()
if os.getenv("HPLIP_DEBUG"):
log.set_level('debug')
initial_device_uri = None
#initial_printer_name = None
#initial_function = None
disable_dbus = False
for o, a in opts:
if o in ('-l', '--logging'):
log_level = a.lower().strip()
if not log.set_level(log_level):
usage()
elif o == '-g':
log.set_level('debug')
elif o in ('-h', '--help'):
usage()
elif o == '--help-rest':
usage('rest')
elif o == '--help-man':
usage('man')
elif o == '--help-desc':
print __doc__,
sys.exit(0)
elif o in ('-q', '--lang'):
if a.strip() == '?':
tui.show_languages()
sys.exit(0)
loc = utils.validate_language(a.lower())
elif o in ('-d', '--device'):
initial_device_uri = a
#elif o in ('-f', '--function'):
# initial_function = a
elif o in ('-x', '--disable-dbus'):
disable_dbus = True
utils.log_title(__title__, __version__)
if os.getuid() == 0:
log.warn("hp-toolbox should not be run as root.")
ok, lock_file = utils.lock_app('hp-toolbox')
if not ok:
sys.exit(1)
# UI Forms and PyQt
if not utils.canEnterGUIMode():
log.error("hp-toolbox requires GUI support. Exiting.")
sys.exit(1)
try:
from dbus import SessionBus
import dbus.service
from dbus.mainloop.glib import DBusGMainLoop
from gobject import MainLoop
except ImportError:
log.error("Unable to load dbus - Automatic status updates in HPLIP Device Manager will be disabled.")
disable_dbus = True
child_pid, w, r = 0, 0, 0
if not disable_dbus:
r, w = os.pipe()
parent_pid = os.getpid()
log.debug("Parent PID=%d" % parent_pid)
child_pid = os.fork()
if disable_dbus or child_pid:
# parent (UI)
log.set_module("hp-toolbox(UI)")
if w:
os.close(w)
from qt import *
from ui.devmgr4 import DevMgr4
# Security: Do *not* create files that other users can muck around with
os.umask (0037)
# create the main application object
app = QApplication(sys.argv)
if loc is None:
loc = user_cfg.ui.get("loc", "system")
if loc.lower() == 'system':
loc = str(QTextCodec.locale())
log.debug("Using system locale: %s" % loc)
if loc.lower() != 'c':
e = 'utf8'
try:
l, x = loc.split('.')
loc = '.'.join([l, e])
except ValueError:
l = loc
loc = '.'.join([loc, e])
log.debug("Trying to load .qm file for %s locale." % loc)
trans = QTranslator(None)
qm_file = 'hplip_%s.qm' % l
log.debug("Name of .qm file: %s" % qm_file)
loaded = trans.load(qm_file, prop.localization_dir)
if loaded:
app.installTranslator(trans)
else:
loc = 'c'
if loc == 'c':
log.debug("Using default 'C' locale")
else:
log.debug("Using locale: %s" % loc)
QLocale.setDefault(QLocale(loc))
prop.locale = loc
try:
locale.setlocale(locale.LC_ALL, locale.normalize(loc))
except locale.Error:
pass
toolbox = DevMgr4(r, __version__, initial_device_uri, disable_dbus)
app.setMainWidget(toolbox)
toolbox.show()
try:
try:
log.debug("Starting GUI loop...")
app.exec_loop()
except KeyboardInterrupt:
sys.exit(0)
finally:
if child_pid:
log.debug("Killing child toolbox process (pid=%d)..." % child_pid)
try:
os.kill(child_pid, signal.SIGKILL)
except OSError, e:
log.debug("Failed: %s" % e.message)
utils.unlock(lock_file)
sys.exit(0)
elif not disable_dbus:
# dBus
log.set_module("hp-toolbox(dbus)")
from base import device
try:
# child (dbus connector)
os.close(r)
dbus_loop = DBusGMainLoop(set_as_default=True)
try:
session_bus = dbus.SessionBus()
except dbus.exceptions.DBusException, e:
if os.getuid() != 0:
log.error("Unable to connect to dbus session bus. Exiting.")
sys.exit(1)
else:
log.error("Unable to connect to dbus session bus (running as root?)")
sys.exit(1)
# Receive events from the session bus
session_bus.add_signal_receiver(handle_session_signal, sender_keyword='sender',
destination_keyword='dest', interface_keyword='interface',
member_keyword='member', path_keyword='path')
log.debug("Entering main loop...")
try:
MainLoop().run()
except KeyboardInterrupt:
log.debug("Ctrl-C: Exiting...")
#print "MainLoop exited!"
finally:
if parent_pid:
log.debug("Killing parent toolbox process (pid=%d)..." % parent_pid)
try:
os.kill(parent_pid, signal.SIGKILL)
except OSError, e:
log.debug("Failed: %s" % e.message)
utils.unlock(lock_file)
sys.exit(0)