%PDF-
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Mini Shell
Mini Shell
#!/usr/bin/python3
## system-config-printer
## Copyright (C) 2010, 2011, 2012, 2013, 2014 Red Hat, Inc.
## Authors:
## 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
import gi
import dbus.service
from gi.repository import GObject
from gi.repository import GLib
gi.require_version('Gdk', '3.0')
from gi.repository import Gdk
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
import sys
from debug import *
import asyncconn
import config
import cups
import cupshelpers
import dnssdresolve
import jobviewer
import killtimer
import newprinter
import PhysicalDevice
import ppdcache
import printerproperties
cups.require ("1.9.52")
CONFIG_BUS='org.fedoraproject.Config.Printing'
CONFIG_PATH='/org/fedoraproject/Config/Printing'
CONFIG_IFACE='org.fedoraproject.Config.Printing'
CONFIG_NEWPRINTERDIALOG_IFACE=CONFIG_IFACE + ".NewPrinterDialog"
CONFIG_PRINTERPROPERTIESDIALOG_IFACE=CONFIG_IFACE + ".PrinterPropertiesDialog"
CONFIG_JOBVIEWER_IFACE=CONFIG_IFACE + ".JobViewer"
g_ppds = None
g_killtimer = None
#set program name
GLib.set_prgname("system-config-printer")
class FetchedPPDs(GObject.GObject):
__gsignals__ = {
'ready': (GObject.SignalFlags.RUN_LAST, None, ()),
'error': (GObject.SignalFlags.RUN_LAST, None,
(GObject.TYPE_PYOBJECT,))
}
def __init__ (self, cupsconn, language):
GObject.GObject.__init__ (self)
self._cupsconn = cupsconn
self._language = language
self._ppds = None
def is_ready (self):
return self._ppds is not None
def get_ppds (self):
return self._ppds
def run (self):
debugprint ("FetchPPDs: running")
self._ppds = None
self._cupsconn.getPPDs2 (reply_handler=self._cups_getppds_reply,
error_handler=self._cups_error)
def _cups_error (self, conn, exc):
debugprint ("FetchPPDs: error: %s" % repr (exc))
self.emit ('error', exc)
def _cups_getppds_reply (self, conn, result):
debugprint ("FetchPPDs: success")
self._ppds = cupshelpers.ppds.PPDs (result, language=self._language)
self.emit ('ready')
class GetBestDriversRequest:
def __init__ (self, device_id, device_make_and_model, device_uri,
cupsconn, language, reply_handler, error_handler):
self.device_id = device_id
self.device_make_and_model = device_make_and_model
self.device_uri = device_uri
self.cupsconn = cupsconn
self.language = language
self.reply_handler = reply_handler
self.error_handler = error_handler
self._signals = []
self.installed_files = []
self.download_tried = False
debugprint ("+%s" % self)
g_killtimer.add_hold ()
global g_ppds
if g_ppds is None:
debugprint ("GetBestDrivers request: need to fetch PPDs")
g_ppds = FetchedPPDs (self.cupsconn, self.language)
self._signals.append (g_ppds.connect ('ready', self._ppds_ready))
self._signals.append (g_ppds.connect ('error', self._ppds_error))
g_ppds.run ()
else:
if g_ppds.is_ready ():
debugprint ("GetBestDrivers request: PPDs already fetched")
self._ppds_ready (g_ppds)
else:
debugprint ("GetBestDrivers request: waiting for PPDs")
self._signals.append (g_ppds.connect ('ready',
self._ppds_ready))
self._signals.append (g_ppds.connect ('error',
self._ppds_error))
def __del__ (self):
debugprint ("-%s" % self)
def _disconnect_signals (self):
for s in self._signals:
g_ppds.disconnect (s)
def _ppds_error (self, fetchedppds, exc):
self._disconnect_signals ()
self.error_handler (exc)
def _ppds_ready (self, fetchedppds):
if not fetchedppds.is_ready ():
# PPDs being reloaded. Wait for next 'ready' signal.
return
self._disconnect_signals ()
ppds = fetchedppds.get_ppds ()
try:
if self.device_id:
id_dict = cupshelpers.parseDeviceID (self.device_id)
else:
id_dict = {}
(mfg,
mdl) = cupshelpers.ppds.ppdMakeModelSplit (self.device_make_and_model)
id_dict["MFG"] = mfg
id_dict["MDL"] = mdl
id_dict["DES"] = ""
id_dict["CMD"] = []
self.device_id = "MFG:%s;MDL:%s;" % (mfg, mdl)
fit = ppds.getPPDNamesFromDeviceID (id_dict["MFG"],
id_dict["MDL"],
id_dict["DES"],
id_dict["CMD"],
self.device_uri,
self.device_make_and_model)
ppdnamelist = ppds.orderPPDNamesByPreference (fit.keys (),
self.installed_files,
devid=id_dict,
fit=fit)
ppdname = ppdnamelist[0]
status = fit[ppdname]
try:
if status != "exact" and not self.download_tried:
self.download_tried = True
self.dialog = newprinter.NewPrinterGUI()
self.dialog.NewPrinterWindow.set_modal (False)
self.handles = \
[self.dialog.connect ('dialog-canceled',
self.on_dialog_canceled),
self.dialog.connect ('driver-download-checked',
self.on_driver_download_checked)]
self.reply_if_fail = [(x, fit[x]) for x in ppdnamelist]
if not self.dialog.init ('download_driver',
devid=self.device_id):
try:
g_killtimer.remove_hold ()
finally:
e = RuntimeError ("Failed to launch dialog")
self.error_handler (e)
return
except:
# Ignore driver download if packages needed for the GUI are not
# installed or if no windows can be opened
pass
g_killtimer.remove_hold ()
self.reply_handler ([(x, fit[x]) for x in ppdnamelist])
except Exception as e:
try:
g_killtimer.remove_hold ()
except:
pass
self.error_handler (e)
def _destroy_dialog (self):
for handle in self.handles:
self.dialog.disconnect (handle)
self.dialog.destroy ()
del self.dialog
def on_driver_download_checked(self, obj, installed_files):
if len (installed_files) > 0:
debugprint ("GetBestDrivers request: Re-fetch PPDs after driver download")
self._signals.append (g_ppds.connect ('ready', self._ppds_ready))
self._signals.append (g_ppds.connect ('error', self._ppds_error))
g_ppds.run ()
return
g_killtimer.remove_hold ()
self._destroy_dialog ()
self.reply_handler (self.reply_if_fail)
def on_dialog_canceled(self, obj):
g_killtimer.remove_hold ()
self._destroy_dialog ()
self.reply_handler (self.reply_if_fail)
class GroupPhysicalDevicesRequest:
def __init__ (self, devices, reply_handler, error_handler):
self.devices = devices
self.reply_handler = reply_handler
self.error_handler = error_handler
debugprint ("+%s" % self)
try:
g_killtimer.add_hold ()
need_resolving = {}
self.deviceobjs = {}
for device_uri, device_dict in self.devices.items ():
deviceobj = cupshelpers.Device (device_uri, **device_dict)
self.deviceobjs[device_uri] = deviceobj
if device_uri.startswith ("dnssd://"):
need_resolving[device_uri] = deviceobj
if len (need_resolving) > 0:
resolver = dnssdresolve.DNSSDHostNamesResolver (need_resolving)
resolver.resolve (reply_handler=self._group)
else:
self._group ()
except Exception as e:
g_killtimer.remove_hold ()
self.error_handler (e)
def __del__ (self):
debugprint ("-%s" % self)
def _group (self, resolved_devices=None):
# We can ignore resolved_devices because the actual objects
# (in self.devices) have been modified.
try:
self.physdevs = []
for device_uri, deviceobj in self.deviceobjs.items ():
newphysicaldevice = PhysicalDevice.PhysicalDevice (deviceobj)
matched = False
try:
i = self.physdevs.index (newphysicaldevice)
self.physdevs[i].add_device (deviceobj)
except ValueError:
self.physdevs.append (newphysicaldevice)
uris_by_phys = []
for physdev in self.physdevs:
uris_by_phys.append ([x.uri for x in physdev.get_devices ()])
g_killtimer.remove_hold ()
self.reply_handler (uris_by_phys)
except Exception as e:
g_killtimer.remove_hold ()
self.error_handler (e)
class ConfigPrintingNewPrinterDialog(dbus.service.Object):
def __init__ (self, bus, path, cupsconn):
bus_name = dbus.service.BusName (CONFIG_BUS, bus=bus)
dbus.service.Object.__init__ (self, bus_name, path)
self.dialog = newprinter.NewPrinterGUI()
self.dialog.NewPrinterWindow.set_modal (False)
self.handles = [self.dialog.connect ('dialog-canceled',
self.on_dialog_canceled),
self.dialog.connect ('printer-added',
self.on_printer_added),
self.dialog.connect ('printer-modified',
self.on_printer_modified),
self.dialog.connect ('driver-download-checked',
self.on_driver_download_checked)]
self._ppdcache = ppdcache.PPDCache ()
self._cupsconn = cupsconn
debugprint ("+%s" % self)
def __del__ (self):
self.dialog.destroy ()
debugprint ("-%s" % self)
@dbus.service.method(dbus_interface=CONFIG_NEWPRINTERDIALOG_IFACE,
in_signature='uss', out_signature='')
def NewPrinterFromDevice(self, xid, device_uri, device_id):
g_killtimer.add_hold ()
self.dialog.init ('printer_with_uri', device_uri=device_uri,
devid=device_id, xid=xid)
@dbus.service.method(dbus_interface=CONFIG_NEWPRINTERDIALOG_IFACE,
in_signature='us', out_signature='')
def DownloadDriverForDeviceID(self, xid, device_id):
g_killtimer.add_hold ()
self.dialog.init ('download_driver', devid=device_id, xid=xid)
@dbus.service.method(dbus_interface=CONFIG_NEWPRINTERDIALOG_IFACE,
in_signature='uss', out_signature='')
def ChangePPD(self, xid, name, device_id):
g_killtimer.add_hold ()
self.xid = xid
self.name = name
self.device_id = device_id
self._ppdcache.fetch_ppd (name, self._change_ppd_got_ppd)
def _change_ppd_got_ppd(self, name, ppd, exc):
# Got PPD; now find device URI.
self.ppd = ppd
self._cupsconn.getPrinters (reply_handler=self._change_ppd_with_dev,
error_handler=self._do_change_ppd)
def _change_ppd_with_dev (self, conn, result):
self.device_uri = result.get (self.name, {}).get ('device-uri', None)
self._do_change_ppd (conn)
def _do_change_ppd(self, conn, exc=None):
self.dialog.init ('ppd', device_uri=self.device_uri, name=self.name,
ppd=self.ppd, devid=self.device_id, xid=self.xid)
@dbus.service.signal(dbus_interface=CONFIG_NEWPRINTERDIALOG_IFACE,
signature='')
def DialogCanceled(self):
pass
@dbus.service.signal(dbus_interface=CONFIG_NEWPRINTERDIALOG_IFACE,
signature='s')
def PrinterAdded(self, name):
pass
@dbus.service.signal(dbus_interface=CONFIG_NEWPRINTERDIALOG_IFACE,
signature='sb')
def PrinterModified(self, name, ppd_has_changed):
pass
@dbus.service.signal(dbus_interface=CONFIG_NEWPRINTERDIALOG_IFACE,
signature='a(s)')
def DriverDownloadChecked(self, installed_files):
pass
def on_dialog_canceled(self, obj):
debugprint ("%s: dialog canceled" % self)
g_killtimer.remove_hold ()
self.DialogCanceled ()
self.remove_handles ()
self.remove_from_connection ()
def on_printer_added(self, obj, name):
debugprint ("%s: printer added" % self)
g_killtimer.remove_hold ()
self.PrinterAdded (name)
self.remove_handles ()
self.remove_from_connection ()
def on_printer_modified(self, obj, name, ppd_has_changed):
debugprint ("%s: printer modified" % self)
g_killtimer.remove_hold ()
self.PrinterModified (name, ppd_has_changed)
self.remove_handles ()
self.remove_from_connection ()
def on_driver_download_checked(self, obj, installed_files):
debugprint ("%s: driver download checked" % self)
g_killtimer.remove_hold ()
self.DriverDownloadChecked (installed_files)
self.remove_handles ()
self.remove_from_connection ()
def remove_handles (self):
for handle in self.handles:
self.dialog.disconnect (handle)
class ConfigPrintingPrinterPropertiesDialog(dbus.service.Object):
def __init__ (self, bus, path, xid, name):
bus_name = dbus.service.BusName (CONFIG_BUS, bus=bus)
dbus.service.Object.__init__ (self, bus_name=bus_name, object_path=path)
self.dialog = printerproperties.PrinterPropertiesDialog ()
self.dialog.dialog.set_modal (False)
handle = self.dialog.connect ('dialog-closed', self.on_dialog_closed)
self.closed_handle = handle
self.dialog.show (name)
self.dialog.dialog.set_modal (False)
g_killtimer.add_hold ()
@dbus.service.method(dbus_interface=CONFIG_PRINTERPROPERTIESDIALOG_IFACE,
in_signature='', out_signature='')
def PrintTestPage (self):
debugprint ("Printing test page")
return self.dialog.printTestPage ()
@dbus.service.signal(dbus_interface=CONFIG_PRINTERPROPERTIESDIALOG_IFACE,
signature='')
def Finished (self):
pass
def on_dialog_closed (self, dialog):
dialog.destroy ()
g_killtimer.remove_hold ()
self.Finished ()
self.dialog.disconnect (self.closed_handle)
self.remove_from_connection ()
class ConfigPrintingJobApplet(dbus.service.Object):
def __init__ (self, bus, path):
bus_name = dbus.service.BusName (CONFIG_BUS, bus=bus)
dbus.service.Object.__init__ (self, bus_name=bus_name, object_path=path)
Gdk.threads_enter ()
self.jobapplet = jobviewer.JobViewer(bus=dbus.SystemBus (),
applet=True, my_jobs=True)
self.jobapplet.set_process_pending (False)
Gdk.threads_leave ()
handle = self.jobapplet.connect ('finished', self.on_jobapplet_finished)
self.finished_handle = handle
self.has_finished = False
g_killtimer.add_hold ()
debugprint ("+%s" % self)
def __del__ (self):
debugprint ("-%s" % self)
@dbus.service.method(dbus_interface=CONFIG_JOBVIEWER_IFACE,
in_signature='', out_signature='')
def Quit(self):
if not self.has_finished:
self.jobapplet.cleanup ()
@dbus.service.signal(dbus_interface=CONFIG_JOBVIEWER_IFACE, signature='')
def Finished(self):
pass
def on_jobapplet_finished (self, jobapplet):
self.Finished ()
g_killtimer.remove_hold ()
self.has_finished = True
self.jobapplet.disconnect (self.finished_handle)
self.remove_from_connection ()
class ConfigPrinting(dbus.service.Object):
def __init__ (self):
self.bus = dbus.SessionBus ()
bus_name = dbus.service.BusName (CONFIG_BUS, bus=self.bus)
dbus.service.Object.__init__ (self, bus_name, CONFIG_PATH)
self._cupsconn = asyncconn.Connection ()
self._pathn = 0
self._jobapplet = None
self._jobappletpath = None
self._ppds = None
self._language = locale.getlocale (locale.LC_MESSAGES)[0]
if not self._language:
self._language = locale.getlocale (locale.LC_CTYPE)[0]
def destroy (self):
self._cupsconn.destroy ()
@dbus.service.method(dbus_interface=CONFIG_IFACE,
in_signature='', out_signature='s')
def NewPrinterDialog(self):
self._pathn += 1
path = "%s/NewPrinterDialog/%s" % (CONFIG_PATH, self._pathn)
ConfigPrintingNewPrinterDialog (self.bus, path,
self._cupsconn)
g_killtimer.alive ()
return path
@dbus.service.method(dbus_interface=CONFIG_IFACE,
in_signature='us', out_signature='s')
def PrinterPropertiesDialog(self, xid, name):
self._pathn += 1
path = "%s/PrinterPropertiesDialog/%s" % (CONFIG_PATH, self._pathn)
ConfigPrintingPrinterPropertiesDialog (self.bus, path, xid, name)
g_killtimer.alive ()
return path
@dbus.service.method(dbus_interface=CONFIG_IFACE,
in_signature='', out_signature='s')
def JobApplet(self):
if self._jobapplet is None or self._jobapplet.has_finished:
self._pathn += 1
path = "%s/JobApplet/%s" % (CONFIG_PATH, self._pathn)
self._jobapplet = ConfigPrintingJobApplet (self.bus, path)
self._jobappletpath = path
return self._jobappletpath
@dbus.service.method(dbus_interface=CONFIG_IFACE,
in_signature='sss', out_signature='a(ss)',
async_callbacks=('reply_handler', 'error_handler'))
def GetBestDrivers(self, device_id, device_make_and_model, device_uri,
reply_handler, error_handler):
GetBestDriversRequest (device_id, device_make_and_model, device_uri,
self._cupsconn, self._language,
reply_handler, error_handler)
@dbus.service.method(dbus_interface=CONFIG_IFACE,
in_signature='s', out_signature='as')
def MissingExecutables(self, ppd_filename):
ppd = cups.PPD (ppd_filename)
return cupshelpers.missingExecutables (ppd)
@dbus.service.method(dbus_interface=CONFIG_IFACE,
in_signature='a{sa{ss}}', out_signature='aas',
async_callbacks=('reply_handler', 'error_handler'))
def GroupPhysicalDevices(self, devices, reply_handler, error_handler):
GroupPhysicalDevicesRequest (devices, reply_handler, error_handler)
def _client_demo ():
# Client demo
if len (sys.argv) > 2:
device_uri = sys.argv[2]
device_id = ''
if (len (sys.argv) > 4 and
sys.argv[3] == '--devid'):
device_id = sys.argv[4]
else:
print ("Device URI required")
return
from gi.repository import Gtk
bus = dbus.SessionBus ()
obj = bus.get_object (CONFIG_BUS, CONFIG_PATH)
iface = dbus.Interface (obj, CONFIG_IFACE)
path = iface.NewPrinterDialog ()
debugprint (path)
obj = bus.get_object (CONFIG_BUS, path)
iface = dbus.Interface (obj, CONFIG_NEWPRINTERDIALOG_IFACE)
loop = GObject.MainLoop ()
def on_canceled(path=None):
print ("%s: Dialog canceled" % path)
loop.quit ()
def on_added(name, path=None):
print ("%s: Printer '%s' added" % (path, name))
loop.quit ()
iface.connect_to_signal ("DialogCanceled", on_canceled,
path_keyword="path")
iface.connect_to_signal ("PrinterAdded", on_added,
path_keyword="path")
iface.NewPrinterFromDevice (0, device_uri, device_id)
loop.run ()
if __name__ == '__main__':
import ppdippstr
import config
import gettext
gettext.install(domain=config.PACKAGE, localedir=config.localedir)
import locale
try:
locale.setlocale (locale.LC_ALL, "")
except:
pass
ppdippstr.init ()
Gdk.threads_init ()
from dbus.glib import DBusGMainLoop
DBusGMainLoop (set_as_default=True)
client_demo = False
if len (sys.argv) > 1:
for opt in sys.argv[1:]:
if opt == "--debug":
set_debugging (True)
cupshelpers.set_debugprint_fn (debugprint)
elif opt == "--client":
client_demo = True
if client_demo:
_client_demo ()
sys.exit (0)
debugprint ("Service running...")
g_killtimer = killtimer.KillTimer (killfunc=Gtk.main_quit)
cp = ConfigPrinting ()
Gdk.threads_enter ()
Gtk.main ()
Gdk.threads_leave ()
cp.destroy ()
Zerion Mini Shell 1.0