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#!/usr/bin/env python
## Copyright (C) 2007, 2008, 2009, 2010 Red Hat, Inc.
## Author: Tim Waugh <twaugh@redhat.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; 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., 675 Mass Ave, Cambridge, MA 02139, USA.
import cups
cups.require ("1.9.42")
import sys
sys.path.append("/usr/share/system-config-printer")
from debug import *
import dbus
import dbus.glib
import dbus.service
import gobject
import pynotify
import time
import locale
import gettext
import installdriver
from gettext import gettext as _
DOMAIN="system-config-printer"
gettext.textdomain (DOMAIN)
try:
locale.setlocale (locale.LC_ALL, "")
except locale.Error, e:
import os
os.environ['LC_ALL'] = 'C'
locale.setlocale (locale.LC_ALL, "")
APPDIR="/usr/share/system-config-printer"
DOMAIN="system-config-printer"
ICON="printer"
SEARCHING_ICON="document-print-preview"
# Let gobject know we'll be using threads.
gobject.threads_init ()
# We need to call pynotify.init before we can check the server for caps
pynotify.init('System Config Printer Notification')
####
#### NewPrinterNotification DBus server (the 'new' way).
####
PDS_PATH="/com/redhat/NewPrinterNotification"
PDS_IFACE="com.redhat.NewPrinterNotification"
PDS_OBJ="com.redhat.NewPrinterNotification"
class NewPrinterNotification(dbus.service.Object):
STATUS_SUCCESS = 0
STATUS_MODEL_MISMATCH = 1
STATUS_GENERIC_DRIVER = 2
STATUS_NO_DRIVER = 3
def __init__ (self, bus):
self.bus = bus
self.getting_ready = 0
bus_name = dbus.service.BusName (PDS_OBJ, bus=bus)
dbus.service.Object.__init__ (self, bus_name, PDS_PATH)
def wake_up (self):
global waitloop, runloop, viewer
import jobviewer
if viewer == None:
try:
waitloop.quit ()
except:
pass
runloop = gobject.MainLoop ()
viewer = jobviewer.JobViewer(bus=bus, loop=runloop,
trayicon=trayicon,
suppress_icon_hide=True)
@dbus.service.method(PDS_IFACE, in_signature='', out_signature='')
def GetReady (self):
self.wake_up ()
if self.getting_ready == 0:
viewer.set_special_statusicon (SEARCHING_ICON,
tooltip=_("Configuring new printer"))
self.getting_ready += 1
gobject.timeout_add_seconds (1200, self.timeout_ready)
def timeout_ready (self):
global viewer
if self.getting_ready > 0:
self.getting_ready -= 1
if self.getting_ready == 0:
viewer.unset_special_statusicon ()
return False
@dbus.service.method(PDS_IFACE, in_signature='isssss', out_signature='')
def NewPrinter (self, status, name, mfg, mdl, des, cmd):
global viewer
self.wake_up ()
if name.find("/") >= 0:
# name is a URI, no queue was generated, because no suitable
# driver was found
title = _("Missing printer driver")
devid = "MFG:%s;MDL:%s;DES:%s;CMD:%s;" % (mfg, mdl, des, cmd)
if (mfg and mdl) or des:
if (mfg and mdl):
device = "%s %s" % (mfg, mdl)
else:
device = des
text = _("No printer driver for %s.") % device
else:
text = _("No driver for this printer.")
n = pynotify.Notification (title, text, 'printer')
if "actions" in pynotify.get_server_caps():
n.set_urgency (pynotify.URGENCY_CRITICAL)
n.set_timeout (pynotify.EXPIRES_NEVER)
n.add_action ("setup-printer", _("Search"),
lambda x, y:
self.setup_printer (x, y, name, devid))
else:
args = ["--setup-printer", name, "--devid", devid]
self.run_config_tool (args)
else:
# name is the name of the queue which hal_lpadmin has set up
# automatically.
c = cups.Connection ()
try:
printer = c.getPrinters ()[name]
except KeyError:
return
try:
filename = c.getPPD (name)
except cups.IPPError:
return
del c
# Check for missing packages
cups.ppdSetConformance (cups.PPD_CONFORM_RELAXED)
ppd = cups.PPD (filename)
import os
os.unlink (filename)
import sys
sys.path.append (APPDIR)
import cupshelpers
(missing_pkgs,
missing_exes) = cupshelpers.missingPackagesAndExecutables (ppd)
from cupshelpers.ppds import ppdMakeModelSplit
(make, model) = ppdMakeModelSplit (printer['printer-make-and-model'])
driver = make + " " + model
if status < self.STATUS_GENERIC_DRIVER:
title = _("Printer added")
else:
title = _("Missing printer driver")
if len (missing_pkgs) > 0:
pkgs = reduce (lambda x,y: x + ", " + y, missing_pkgs)
title = _("Install printer driver")
text = _("`%s' requires driver installation: %s.") % (name, pkgs)
n = pynotify.Notification (title, text)
import installpackage
if "actions" in pynotify.get_server_caps():
try:
self.packagekit = installpackage.PackageKit ()
n.set_timeout (pynotify.EXPIRES_NEVER)
n.add_action ("install-driver", _("Install"),
lambda x, y:
self.install_driver (x, y,
missing_pkgs))
except:
pass
else:
try:
self.packagekit = installpackage.PackageKit ()
self.packagekit.InstallPackageName (0, 0,
missing_pkgs[0])
except:
pass
elif status == self.STATUS_SUCCESS:
devid = "MFG:%s;MDL:%s;DES:%s;CMD:%s;" % (mfg, mdl, des, cmd)
text = _("`%s' is ready for printing.") % name
n = pynotify.Notification (title, text)
if "actions" in pynotify.get_server_caps():
n.set_urgency (pynotify.URGENCY_NORMAL)
n.add_action ("test-page", _("Print test page"),
lambda x, y:
self.print_test_page (x, y, name, devid))
n.add_action ("configure", _("Configure"),
lambda x, y: self.configure (x, y, name))
else: # Model mismatch
devid = "MFG:%s;MDL:%s;DES:%s;CMD:%s;" % (mfg, mdl, des, cmd)
text = (_("`%s' has been added, using the `%s' driver.") %
(name, driver))
n = pynotify.Notification (title, text, 'printer')
if "actions" in pynotify.get_server_caps():
n.set_urgency (pynotify.URGENCY_CRITICAL)
n.add_action ("test-page", _("Print test page"),
lambda x, y:
self.print_test_page (x, y, name, devid))
n.add_action ("find-driver", _("Find driver"),
lambda x, y:
self.find_driver (x, y, name, devid))
n.set_timeout (pynotify.EXPIRES_NEVER)
else:
self.run_config_tool (["--configure-printer",
name, "--no-focus-on-map"])
viewer.notify_new_printer (name, n)
# Set the icon back how it was.
self.timeout_ready ()
def run_config_tool (self, argv):
import os
pid = os.fork ()
if pid == 0:
# Child.
cmd = "/usr/bin/system-config-printer"
argv.insert (0, cmd)
os.execvp (cmd, argv)
sys.exit (1)
elif pid == -1:
print "Error forking process"
else:
gobject.timeout_add_seconds (60, self.collect_exit_code, pid)
def print_test_page (self, notification, action, name, devid = ""):
args = ["--print-test-page", name]
if devid != "":
args.extend (["--devid", devid])
self.run_config_tool (args)
def configure (self, notification, action, name):
self.run_config_tool (["--configure-printer", name])
def find_driver (self, notification, action, name, devid = ""):
args = ["--choose-driver", name]
if devid != "": args = args + ["--devid", devid]
self.run_config_tool (args)
def setup_printer (self, notification, action, uri, devid = ""):
args = ["--setup-printer", uri]
if devid != "": args = args + ["--devid", devid]
self.run_config_tool (args)
def install_driver (self, notification, action, missing_pkgs):
try:
self.packagekit.InstallPackageName (0, 0, missing_pkgs[0])
except:
pass
def collect_exit_code (self, pid):
# We do this with timers instead of signals because we already
# have gobject imported, but don't (yet) import signal;
# let's try not to inflate the process size.
import os
try:
print "Waiting for child %d" % pid
(pid, status) = os.waitpid (pid, os.WNOHANG)
if pid == 0:
# Run this timer again.
return True
except OSError:
pass
return False
PROGRAM_NAME="system-config-printer-applet"
def show_help ():
print "usage: %s [--no-tray-icon]" % PROGRAM_NAME
def show_version ():
import config
print "%s %s" % (PROGRAM_NAME, config.VERSION)
####
#### Main program entry
####
global waitloop, runloop, viewer
trayicon = True
waitloop = runloop = None
viewer = None
if __name__ == '__main__':
import sys, getopt
try:
opts, args = getopt.gnu_getopt (sys.argv[1:], '',
['no-tray-icon',
'debug',
'help',
'version'])
except getopt.GetoptError:
show_help ()
sys.exit (1)
for opt, optarg in opts:
if opt == "--help":
show_help ()
sys.exit (0)
if opt == "--version":
show_version ()
sys.exit (0)
if opt == "--no-tray-icon":
trayicon = False
elif opt == "--debug":
set_debugging (True)
# Must be done before connecting to D-Bus (for some reason).
if not pynotify.init (PROGRAM_NAME):
try:
print >> sys.stderr, ("%s: unable to initialize pynotify" %
PROGRAM_NAME)
except:
pass
try:
bus = dbus.SystemBus()
except:
try:
print >> sys.stderr, ("%s: failed to connect to system D-Bus" %
PROGRAM_NAME)
finally:
sys.exit (1)
if trayicon:
try:
NewPrinterNotification(bus)
except:
try:
print >> sys.stderr, ("%s: failed to start "
"NewPrinterNotification service" %
PROGRAM_NAME)
except:
pass
try:
installdriver.PrinterDriversInstaller(bus)
except Exception, e:
try:
print >> sys.stderr, ("%s: failed to start "
"PrinterDriversInstaller service: %s" %
(PROGRAM_NAME, e))
except:
pass
if trayicon and get_debugging () == False:
# Start off just waiting for print jobs.
def any_jobs ():
try:
c = cups.Connection ()
jobs = c.getJobs (my_jobs=True, limit=1)
if len (jobs):
return True
except:
pass
return False
if not any_jobs ():
###
class WaitForJobs:
DBUS_PATH="/com/redhat/PrinterSpooler"
DBUS_IFACE="com.redhat.PrinterSpooler"
def __init__ (self, bus, waitloop):
self.bus = bus
self.waitloop = waitloop
self.timer = None
bus.add_signal_receiver (self.handle_dbus_signal,
path=self.DBUS_PATH,
dbus_interface=self.DBUS_IFACE)
def __del__ (self):
bus = self.bus
bus.remove_signal_receiver (self.handle_dbus_signal,
path=self.DBUS_PATH,
dbus_interface=self.DBUS_IFACE)
if self.timer:
gobject.source_remove (self.timer)
def handle_dbus_signal (self, *args):
if self.timer:
gobject.source_remove (self.timer)
self.timer = gobject.timeout_add (200, self.check_for_jobs)
def check_for_jobs (self, *args):
debugprint ("checking for jobs")
if any_jobs ():
gobject.source_remove (self.timer)
self.waitloop.quit ()
# Don't run this timer again.
return False
###
waitloop = gobject.MainLoop ()
jobwaiter = WaitForJobs(bus, waitloop)
waitloop.run()
del jobwaiter
waitloop = None
if viewer == None:
import jobviewer
import gtk
runloop = gobject.MainLoop ()
gtk.window_set_default_icon_name ('printer')
viewer = jobviewer.JobViewer(bus=bus, loop=runloop,
trayicon=trayicon)
try:
runloop.run()
except KeyboardInterrupt:
pass
viewer.cleanup ()
|
