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newprinter.py
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newprinter.py
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#!/usr/bin/python3
## system-config-printer
## Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Red Hat, Inc.
## Authors:
## Tim Waugh <twaugh@redhat.com>
## Florian Festi <ffesti@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.
# config is generated from config.py.in by configure
import config
import authconn
import cupshelpers
from OpenPrintingRequest import OpenPrintingRequest
import errno
import sys, os, tempfile, time, re, http.client
import locale
import string
import subprocess
from timedops import *
import dbus
from gi.repository import Gdk
from gi.repository import Gtk
import functools
import cups
try:
import pysmb
PYSMB_AVAILABLE=True
except:
PYSMB_AVAILABLE=False
import options
from gi.repository import GObject
from gi.repository import GLib
from gui import GtkGUI
from optionwidgets import OptionWidget
from debug import *
import probe_printer
import urllib.request, urllib.parse
from smburi import SMBURI
from errordialogs import *
from PhysicalDevice import PhysicalDevice
import firewallsettings
import asyncconn
import ppdsloader
import dnssdresolve
import installpackage
import gettext
gettext.install(domain=config.PACKAGE, localedir=config.localedir)
HTTPS_TIMEOUT = 15.0
TEXT_adjust_firewall = _("The firewall may need adjusting in order to "
"detect network printers. Adjust the "
"firewall now?")
def validDeviceURI (uri):
"""Returns True is the provided URI is valid."""
(scheme, rest) = urllib.parse.splittype (uri)
if scheme is None or scheme == '':
return False
return True
# Both the printer properties window and the new printer window
# need to be able to drive 'class members' selections.
def moveClassMembers(treeview_from, treeview_to):
selection = treeview_from.get_selection()
model_from, rows = selection.get_selected_rows()
rows = [Gtk.TreeRowReference.new(model_from, row) for row in rows]
model_to = treeview_to.get_model()
for row in rows:
path = row.get_path()
iter = model_from.get_iter(path)
row_data = model_from.get(iter, 0)
model_to.append(row_data)
model_from.remove(iter)
def getCurrentClassMembers(treeview):
model = treeview.get_model()
iter = model.get_iter_first()
result = []
while iter:
result.append(model.get(iter, 0)[0])
iter = model.iter_next(iter)
result.sort()
return result
def checkNPName(printers, name):
if not name: return False
name = name.lower()
for printer in printers.values():
if not printer.discovered and printer.name.lower()==name:
return False
return True
def ready (win, cursor=None):
try:
gdkwin = win.get_window()
if gdkwin:
gdkwin.set_cursor (cursor)
while Gtk.events_pending ():
Gtk.main_iteration ()
except:
nonfatalException ()
def busy (win):
ready (win, Gdk.Cursor.new(Gdk.CursorType.WATCH))
def on_delete_just_hide (widget, event):
widget.hide ()
return True # stop other handlers
def _singleton (x):
"""If we don't know whether getPPDs() or getPPDs2() was used, this
function can unwrap an item from a list in either case."""
if isinstance (x, list):
return x[0]
return x
def download_gpg_fingerprint(url):
"""Get GPG fingerprint from URL.
Check that the URL is HTTPS with a valid and trusted server
certificate, read it, extract the GPG fingerprint from it, and return
it. Return None if the URL is invalid, not trusted, or the fingerprint
can't be found.
"""
if not url.startswith('https://'):
debugprint('Not a https fingerprint URL: %s, ignoring driver' % url)
return None
content = None
try:
with urllib.request.urlopen(url, timeout=HTTPS_TIMEOUT) as resp:
if resp.status == 200:
content = resp.read().decode('utf-8')
except Exception as e:
debugprint('Cannot retrieve %s: %s' % (url, e))
if content is None:
debugprint('Cannot retrieve %s' % url)
return None
keyid_re = re.compile(r' ((?:(?:[0-9A-F]{4})(?:\s+|$)){10})$', re.M)
m = keyid_re.search(content)
if m:
return m.group(1).strip().replace(' ','')
return None
class NewPrinterGUI(GtkGUI):
__gsignals__ = {
'destroy': (GObject.SignalFlags.RUN_LAST, None, ()),
'printer-added' : (GObject.SignalFlags.RUN_LAST, None, (str,)),
'printer-modified': (GObject.SignalFlags.RUN_LAST, None,
(str, # printer name
bool,)), # PPD modified?
'driver-download-checked': (GObject.SignalFlags.RUN_LAST, None, (str,)),
'dialog-canceled': (GObject.SignalFlags.RUN_LAST, None, ()),
}
# Page numbers used to name the different stages
PAGE_DESCRIBE_PRINTER = 0
PAGE_SELECT_DEVICE = 1
PAGE_SELECT_INSTALL_METHOD = 2
PAGE_CHOOSE_DRIVER_FROM_DB = 3
PAGE_CHOOSE_CLASS_MEMBERS = 4
PAGE_APPLY = 5
PAGE_INSTALLABLE_OPTIONS = 6
PAGE_DOWNLOAD_DRIVER = 7
# Values returned by _handlePrinterInstallationMode() and
# related sub-functions, to know whether to continue the
# execution of the remaining logic from calling functions
INSTALL_RESULT_DONE = True
INSTALL_RESULT_OPS_PENDING = False
new_printer_device_tabs = {
"parallel" : 0, # empty tab
"usb" : 0,
"bluetooth" : 0,
"hal" : 0,
"beh" : 0,
"hp" : 0,
"hpfax" : 0,
"dnssd" : 0,
"socket": 2,
"lpd" : 3,
"scsi" : 4,
"serial" : 5,
"smb" : 6,
"network": 7,
}
def __init__(self):
GObject.GObject.__init__ (self)
self.language = locale.getlocale (locale.LC_MESSAGES)
self.options = {} # keyword -> Option object
self.changed = set()
self.conflicts = set()
self.device = None
self.ppd = None
self.remotecupsqueue = False
self.exactdrivermatch = False
self.installable_options = False
self.ppdsloader = None
self.installed_driver_files = []
self.searchedfordriverpackages = False
self.founddownloadabledrivers = False
self.founddownloadableppd = False
self.downloadable_driver_for_printer = None
self.downloadable_printers = []
self.nextnptab_rerun = False
self.printers = {} # set in init()
self.recommended_model_selected = False
self._searchdialog = None
self._installdialog = None
self.getWidgets({"NewPrinterWindow":
["NewPrinterWindow",
"ntbkNewPrinter",
"btnNPBack",
"btnNPForward",
"btnNPApply",
"spinner",
"entNPName",
"entNPDescription",
"entNPLocation",
"tvNPDevices",
"ntbkNPType",
"lblNPDeviceDescription",
"expNPDeviceURIs",
"tvNPDeviceURIs",
"cmbNPTSerialBaud",
"cmbNPTSerialParity",
"cmbNPTSerialBits",
"cmbNPTSerialFlow",
"btnNPTLpdProbe",
"entNPTLpdHost",
"entNPTLpdQueue",
"entNPTJetDirectHostname",
"entNPTJetDirectPort",
"entSMBURI",
"btnSMBBrowse",
"tblSMBAuth",
"rbtnSMBAuthPrompt",
"rbtnSMBAuthSet",
"entSMBUsername",
"entSMBPassword",
"btnSMBVerify",
"entNPTNetworkHostname",
"btnNetworkFind",
"lblNetworkFindSearching",
"lblNetworkFindNotFound",
"entNPTDevice",
"tvNCMembers",
"tvNCNotMembers",
"btnNCAddMember",
"btnNCDelMember",
"ntbkPPDSource",
"rbtnNPPPD",
"tvNPMakes",
"rbtnNPFoomatic",
"filechooserPPD",
"rbtnNPDownloadableDriverSearch",
"entNPDownloadableDriverSearch",
"btnNPDownloadableDriverSearch",
"btnNPDownloadableDriverSearch_label",
"cmbNPDownloadableDriverFoundPrinters",
"tvNPModels",
"tvNPDrivers",
"rbtnChangePPDasIs",
"rbtnChangePPDKeepSettings",
"scrNPInstallableOptions",
"vbNPInstallOptions",
"tvNPDownloadableDrivers",
"ntbkNPDownloadableDriverProperties",
"lblNPDownloadableDriverSupplier",
"cbNPDownloadableDriverSupplierVendor",
"lblNPDownloadableDriverLicense",
"cbNPDownloadableDriverLicensePatents",
"cbNPDownloadableDriverLicenseFree",
"lblNPDownloadableDriverDescription",
"lblNPDownloadableDriverSupportContacts",
"hsDownloadableDriverPerfText",
"hsDownloadableDriverPerfLineArt",
"hsDownloadableDriverPerfGraphics",
"hsDownloadableDriverPerfPhoto",
"lblDownloadableDriverPerfTextUnknown",
"lblDownloadableDriverPerfLineArtUnknown",
"lblDownloadableDriverPerfGraphicsUnknown",
"lblDownloadableDriverPerfPhotoUnknown",
"frmNPDownloadableDriverLicenseTerms",
"tvNPDownloadableDriverLicense",
"rbtnNPDownloadLicenseYes",
"rbtnNPDownloadLicenseNo"],
"WaitWindow":
["WaitWindow",
"lblWait"],
"SMBBrowseDialog":
["SMBBrowseDialog",
"tvSMBBrowser",
"btnSMBBrowseOk"]},
domain=config.PACKAGE)
# Fill in liststores for combo-box widgets
for (widget,
opts) in [(self.cmbNPTSerialBaud,
[[_("Default"), ""],
["1200", "1200"],
["2400", "2400"],
["4800", "4800"],
["9600", "9600"],
["19200", "19200"],
["38400", "38400"],
["57600", "57600"],
["115200", "115200"]]),
(self.cmbNPTSerialParity,
[[_("Default"), ""],
[_("None"), "none"],
[_("Odd"), "odd"],
[_("Even"), "even"]]),
(self.cmbNPTSerialBits,
[[_("Default"), ""],
["8", "8"],
["7", "7"]]),
(self.cmbNPTSerialFlow,
[[_("Default"), ""],
[_("None"), "none"],
[_("XON/XOFF (Software)"), "soft"],
[_("RTS/CTS (Hardware)"), "hard"],
[_("DTR/DSR (Hardware)"), "hard"]]),
]:
store = Gtk.ListStore (str, str)
for row in opts:
store.append (row)
widget.set_model (store)
cell = Gtk.CellRendererText ()
widget.clear ()
widget.pack_start (cell, True)
widget.add_attribute (cell, 'text', 0)
# Set up some lists
m = Gtk.SelectionMode.MULTIPLE
s = Gtk.SelectionMode.SINGLE
b = Gtk.SelectionMode.BROWSE
for name, model, treeview, selection_mode in (
(_("Members of this class"), Gtk.ListStore(str),
self.tvNCMembers, m),
(_("Others"), Gtk.ListStore(str), self.tvNCNotMembers, m),
(_("Devices"), Gtk.ListStore(str), self.tvNPDevices, s),
(_("Connections"), Gtk.ListStore(str), self.tvNPDeviceURIs, s),
(_("Makes"), Gtk.ListStore(str, str), self.tvNPMakes,s),
(_("Models"), Gtk.ListStore(str, str), self.tvNPModels,s),
(_("Drivers"), Gtk.ListStore(str), self.tvNPDrivers,s),
(_("Downloadable Drivers"), Gtk.ListStore(str),
self.tvNPDownloadableDrivers, b),
):
cell = Gtk.CellRendererText()
column = Gtk.TreeViewColumn(name, cell, text=0)
treeview.set_model(model)
treeview.append_column(column)
treeview.get_selection().set_mode(selection_mode)
# Since some dialogs are reused we can't let the delete-event's
# default handler destroy them
self.SMBBrowseDialog.connect ("delete-event", on_delete_just_hide)
self.WaitWindow_handler = self.WaitWindow.connect ("delete-event",
on_delete_just_hide)
self.ntbkNewPrinter.set_show_tabs(False)
self.ntbkPPDSource.set_show_tabs(False)
self.ntbkNPType.set_show_tabs(False)
self.ntbkNPDownloadableDriverProperties.set_show_tabs(False)
self.spinner_count = 0
# Set up OpenPrinting widgets.
self.opreq = None
self.opreq_handlers = None
combobox = self.cmbNPDownloadableDriverFoundPrinters
cell = Gtk.CellRendererText()
combobox.pack_start (cell, True)
combobox.add_attribute(cell, 'text', 0)
if config.DOWNLOADABLE_ONLYFREE:
for widget in [self.cbNPDownloadableDriverLicenseFree,
self.cbNPDownloadableDriverLicensePatents]:
widget.hide ()
if os.path.exists('/etc/apt/sources.list') or os.path.exists(
'/etc/apt/sources.list.d'):
config.packagesystem = 'deb'
self.packageinstaller = 'apt'
elif os.path.exists('/etc/yum.conf'):
config.packagesystem = 'rpm'
self.packageinstaller = 'yum'
else:
# No known package system, so we only load single PPDs via
# OpenPrinting
config.DOWNLOADABLE_ONLYPPD = True
def protect_toggle (toggle_widget):
active = getattr (toggle_widget, 'protect_active', None)
if active is not None:
toggle_widget.set_active (active)
for widget in [self.cbNPDownloadableDriverSupplierVendor,
self.cbNPDownloadableDriverLicenseFree,
self.cbNPDownloadableDriverLicensePatents]:
widget.connect ('clicked', protect_toggle)
for widget in [self.hsDownloadableDriverPerfText,
self.hsDownloadableDriverPerfLineArt,
self.hsDownloadableDriverPerfGraphics,
self.hsDownloadableDriverPerfPhoto]:
widget.connect ('change-value',
lambda x, y, z: True)
# Device list
slct = self.tvNPDevices.get_selection ()
slct.set_select_function (self.device_select_function, None)
self.tvNPDevices.set_row_separator_func (self.device_row_separator_fn, None)
self.tvNPDevices.connect ("row-activated", self.device_row_activated)
self.tvNPDevices.connect ("row-expanded", self.device_row_expanded)
# Devices expander
self.expNPDeviceURIs.connect ("notify::expanded",
self.on_expNPDeviceURIs_expanded)
self.expNPDeviceURIs.set_expanded(1)
# SMB browser
self.smb_store = Gtk.TreeStore (GObject.TYPE_PYOBJECT)
self.btnSMBBrowse.set_sensitive (True)
if not PYSMB_AVAILABLE:
self.btnSMBBrowse.set_tooltip_text (_("Browsing requires pysmbc "
"module"))
self.tvSMBBrowser.set_model (self.smb_store)
# SMB list columns
col = Gtk.TreeViewColumn (_("Share"))
cell = Gtk.CellRendererText ()
col.pack_start (cell, False)
col.set_cell_data_func (cell, self.smbbrowser_cell_share, None)
self.tvSMBBrowser.append_column (col)
col = Gtk.TreeViewColumn (_("Comment"))
cell = Gtk.CellRendererText ()
col.pack_start (cell, False)
col.set_cell_data_func (cell, self.smbbrowser_cell_comment, None)
self.tvSMBBrowser.append_column (col)
slct = self.tvSMBBrowser.get_selection ()
slct.set_select_function (self.smb_select_function, None)
self.SMBBrowseDialog.set_transient_for(self.NewPrinterWindow)
self.tvNPDrivers.set_has_tooltip(True)
self.tvNPDrivers.connect("query-tooltip", self.on_NPDrivers_query_tooltip)
ppd_filter = Gtk.FileFilter()
ppd_filter.set_name(_("PostScript Printer Description files (*.ppd, *.PPD, *.ppd.gz, *.PPD.gz, *.PPD.GZ)"))
ppd_filter.add_pattern("*.ppd")
ppd_filter.add_pattern("*.PPD")
ppd_filter.add_pattern("*.ppd.gz")
ppd_filter.add_pattern("*.PPD.gz")
ppd_filter.add_pattern("*.PPD.GZ")
self.filechooserPPD.add_filter(ppd_filter)
ppd_filter = Gtk.FileFilter()
ppd_filter.set_name(_("All files (*)"))
ppd_filter.add_pattern("*")
self.filechooserPPD.add_filter(ppd_filter)
self.device_selected = -1
self.dialog_mode = "printer"
self.connect_signals ()
debugprint ("+%s" % self)
def __del__ (self):
debugprint ("-%s" % self)
def do_destroy (self):
debugprint ("DESTROY: %s" % self)
if self.SMBBrowseDialog:
self.SMBBrowseDialog.destroy ()
self.SMBBrowseDialog = None
if self.NewPrinterWindow:
self.NewPrinterWindow.destroy ()
self.NewPrinterWindow = None
if self.WaitWindow:
self.WaitWindow.destroy ()
self.WaitWindow = None
def inc_spinner_task (self):
if self.spinner_count == 0:
self.spinner.show ()
self.spinner.start ()
self.spinner_count += 1
def dec_spinner_task (self):
self.spinner_count -= 1
if self.spinner_count == 0:
self.spinner.hide ()
self.spinner.stop ()
def show_IPP_Error (self, exception, message):
debugprint ("%s: IPP error dialog (%s, %s)" % (self, repr (exception),
message))
return show_IPP_Error (exception, message, parent=self.NewPrinterWindow)
def option_changed(self, option):
if option.is_changed():
self.changed.add(option)
else:
self.changed.discard(option)
if option.conflicts:
self.conflicts.add(option)
else:
self.conflicts.discard(option)
self.setDataButtonState()
return
def setDataButtonState(self):
self.btnNPForward.set_sensitive(not bool(self.conflicts))
def makeNameUnique(self, name):
"""Make a suggested queue name valid and unique."""
name = name.replace (" ", "-")
name = name.replace ("/", "-")
name = name.replace ("#", "-")
if not checkNPName (self.printers, name):
suffix=2
while not checkNPName (self.printers, name + "-" + str (suffix)):
suffix += 1
if suffix == 100:
break
name += "-" + str (suffix)
return name
def destroy (self):
self.emit ('destroy')
def init(self, dialog_mode, device_uri=None, name=None, ppd=None,
devid="", host=None, encryption=None, parent=None, xid=0):
self.parent = parent
if not self.parent:
self.NewPrinterWindow.set_focus_on_map (False)
self.dialog_mode = dialog_mode
self._device_uri = device_uri
self.orig_ppd = ppd
self.devid = devid
self._host = host
self._encryption = encryption
self._name = name
if not host:
self._host = cups.getServer ()
if not encryption:
self._encryption = cups.getEncryption ()
self.options = {} # keyword -> Option object
self.changed = set()
self.conflicts = set()
self.fetchDevices_conn = None
self.ppds = None
self.ppdsmatch_result = None
self.printer_finder = None
if not self._validInitParameters ():
raise RuntimeError
# Get a current list of printers so that we can know whether
# the chosen name is unique.
try:
self.cups = authconn.Connection (parent=self.NewPrinterWindow,
host=self._host,
encryption=self._encryption)
except cups.HTTPError as e:
(s,) = e.args
show_HTTP_Error (s, self.parent)
return False
except RuntimeError:
show_HTTP_Error (-1, self.parent)
return False
except Exception as e:
nonfatalException (e)
return False
try:
self.printers = cupshelpers.getPrinters (self.cups)
except cups.IPPError as e:
(e, m) = e.args
show_IPP_Error (e, m, parent=self.parent)
return False
# Initialise widgets.
self.lblNetworkFindSearching.hide ()
self.entNPTNetworkHostname.set_sensitive (True)
self.entNPTNetworkHostname.set_text ('')
self.btnNetworkFind.set_sensitive (True)
self.lblNetworkFindNotFound.hide ()
# Clear out any previous list of makes.
model = self.tvNPMakes.get_model()
model.clear()
combobox = self.cmbNPDownloadableDriverFoundPrinters
combobox.set_model (Gtk.ListStore (str, str))
self.entNPDownloadableDriverSearch.set_text ('')
label = self.btnNPDownloadableDriverSearch_label
label.set_text (_("Search"))
self.entNPTJetDirectPort.set_text('9100')
self.rbtnSMBAuthPrompt.set_active(True)
if xid != 0 and self.parent:
self.NewPrinterWindow.show_now()
self.NewPrinterWindow.set_transient_for (self.parent)
if self.dialog_mode == "printer":
self._initialisePrinterMode ()
elif self.dialog_mode == "class":
self._initialiseClassMode ()
elif self.dialog_mode == "device":
self._initialiseDeviceMode ()
elif self.dialog_mode == "printer_with_uri":
self._initialisePrinterWithURIMode ()
elif self.dialog_mode == "ppd":
self._initialisePPDMode ()
elif self.dialog_mode == "download_driver":
self._initialiseDownloadDriverMode ()
return True
if xid == 0 and self.parent:
self.NewPrinterWindow.set_transient_for (parent)
self.NewPrinterWindow.show()
self.setNPButtons()
return True
def _validInitParameters (self):
if self.dialog_mode in ['printer_with_uri', 'device', 'ppd']:
return self._device_uri is not None
elif self.dialog_mode == 'download_driver':
return self.devid != ""
return True
def _initialiseClassMode (self):
self._initialiseWidgetsForMode ("class")
self.NewPrinterWindow.set_title (_("New Class"))
self.fillNewClassMembers ()
# Start on name page
self.ntbkNewPrinter.set_current_page (self.PAGE_DESCRIBE_PRINTER)
def _initialisePrinterMode (self):
self._initialiseWidgetsForMode ("printer")
self.NewPrinterWindow.set_title (_("New Printer"))
# Start on devices page (SELECT_DEVICE, not DESCRIBE_PRINTER)
self.ntbkNewPrinter.set_current_page (self.PAGE_SELECT_DEVICE)
self.fillDeviceTab ()
self.rbtnNPFoomatic.set_active (True)
self.on_rbtnNPFoomatic_toggled (self.rbtnNPFoomatic)
def _initialiseDeviceMode (self):
self.NewPrinterWindow.set_title (_("Change Device URI"))
self.ntbkNewPrinter.set_current_page (self.PAGE_SELECT_DEVICE)
self.fillDeviceTab (self._device_uri)
def _initialisePrinterWithURIMode (self):
self._initialiseWidgetsForMode ("printer")
self._initialiseDeviceFromURI ()
self.NewPrinterWindow.set_title (_("New Printer"))
self.ntbkNewPrinter.set_current_page (self.PAGE_SELECT_INSTALL_METHOD)
self.rbtnNPFoomatic.set_active (True)
self.on_rbtnNPFoomatic_toggled (self.rbtnNPFoomatic)
self.rbtnChangePPDKeepSettings.set_active (True)
self._initialiseAutoVariables ()
self.nextNPTab (step = 0)
def _initialiseDownloadDriverMode (self):
self.NewPrinterWindow.set_title (_("Download Printer Driver"))
self.ntbkNewPrinter.set_current_page (self.PAGE_DOWNLOAD_DRIVER)
self.nextnptab_rerun = True
self.nextNPTab (step = 0)
def _initialisePPDMode (self):
self._initialiseDeviceFromURI ()
self.NewPrinterWindow.set_title (_("Change Driver"))
# We'll need to know the Device ID for this device.
if not self.devid:
scheme = str (self._device_uri.split (":", 1)[0])
schemes = [scheme]
if scheme in ["socket", "lpd", "ipp"]:
schemes.extend (["snmp", "dnssd"])
self.fetchDevices_conn = asyncconn.Connection ()
self.fetchDevices_conn._begin_operation (_("fetching device list"))
self.inc_spinner_task ()
cupshelpers.getDevices (self.fetchDevices_conn,
include_schemes=schemes,
reply_handler=self.change_ppd_got_devs,
error_handler=self.change_ppd_got_devs)
self.ntbkNewPrinter.set_current_page (self.PAGE_SELECT_INSTALL_METHOD)
self.rbtnNPFoomatic.set_active (True)
self.on_rbtnNPFoomatic_toggled (self.rbtnNPFoomatic)
self.rbtnChangePPDKeepSettings.set_active (True)
self._initialiseAutoVariables ()
def _initialiseWidgetsForMode (self, mode_name):
self.entNPName.set_text (self.makeNameUnique (mode_name))
self.entNPName.grab_focus ()
for widget in [self.entNPLocation,
self.entNPDescription,
self.entSMBURI, self.entSMBUsername,
self.entSMBPassword]:
widget.set_text ('')
def _initialiseDeviceFromURI (self):
device_dict = { }
self.device = cupshelpers.Device (self._device_uri, **device_dict)
def _initialiseAutoVariables (self):
self.auto_make = ""
self.auto_model = ""
self.auto_driver = None
def change_ppd_got_devs (self, conn, result):
self.fetchDevices_conn._end_operation ()
self.fetchDevices_conn.destroy ()
self.fetchDevices_conn = None
self.dec_spinner_task ()
if isinstance (result, Exception):
current_devices = {}
else:
current_devices = result
devid = None
mm = None
if self.devid != "":
devid = self.devid
else:
device = current_devices.get (self.device.uri)
if device:
devid = device.id
mm = device.make_and_model
self.device = device
# We'll also need the list of PPDs
self.ntbkNewPrinter.set_current_page (self.PAGE_SELECT_INSTALL_METHOD)
self.nextNPTab(step = 0)
def on_ppdsloader_finished_next (self, ppdsloader):
"""
This method is called when the PPDs loader has finished
loading PPDs in preparation for the next screen the user will
see, having clicked 'Forward'. We are creating a new queue,
and dialog_mode is either "printer" or "printer_with_uri".
"""
self._getPPDs_reply (ppdsloader)
if not self.ppds:
return
if ppdsloader._jockey_has_answered:
self.searchedfordriverpackages = True
debugprint ("Loaded PPDs this time; try nextNPTab again...")
self.nextnptab_rerun = True
if self.ntbkNewPrinter.get_current_page () == self.PAGE_SELECT_INSTALL_METHOD:
self.nextNPTab (step = 0)
else:
self.nextNPTab ()
# get PPDs
def _getPPDs_reply (self, ppdsloader):
exc = ppdsloader.get_error ()
if exc:
ppdsloader.destroy ()
try:
raise exc
except cups.IPPError as e:
(e, m) = e.args
self.show_IPP_Error (e, m)
return
ppds = ppdsloader.get_ppds ()
if ppds:
self.ppds = ppds
self.ppdsmatch_result = ppdsloader.get_ppdsmatch_result ()
if ppdsloader._jockey_has_answered:
self.installed_driver_files = ppdsloader.get_installed_files ()
else:
self.ppds = None
self.ppdsmatch_result = None
ppdsloader.destroy ()
self.ppdsloader = None
# Class members
def fillNewClassMembers(self):
model = self.tvNCMembers.get_model()
model.clear()
model = self.tvNCNotMembers.get_model()
model.clear()
try:
self.printers = cupshelpers.getPrinters (self.cups)
except cups.IPPError:
self.printers = {}
for printer in self.printers.keys():
if not self.printers[printer].type & cups.CUPS_PRINTER_CLASS:
model.append((printer,))
def on_btnNCAddMember_clicked(self, button):
moveClassMembers(self.tvNCNotMembers, self.tvNCMembers)
self.btnNPApply.set_sensitive(
bool(getCurrentClassMembers(self.tvNCMembers)))
button.set_sensitive(False)
def on_btnNCDelMember_clicked(self, button):
moveClassMembers(self.tvNCMembers, self.tvNCNotMembers)
self.btnNPApply.set_sensitive(
bool(getCurrentClassMembers(self.tvNCMembers)))
button.set_sensitive(False)
def on_tvNCMembers_cursor_changed(self, widget):
selection = widget.get_selection()
if selection is None:
return
model_from, rows = selection.get_selected_rows()
self.btnNCDelMember.set_sensitive(rows != [])
def on_tvNCNotMembers_cursor_changed(self, widget):
selection = widget.get_selection()
if selection is None:
return
model_from, rows = selection.get_selected_rows()
self.btnNCAddMember.set_sensitive(rows != [])
# Navigation buttons
def on_NPCancel(self, widget, event=None):
if self.fetchDevices_conn:
self.fetchDevices_conn.destroy ()
self.fetchDevices_conn = None
self.dec_spinner_task ()
if self.ppdsloader:
self.ppdsloader.destroy ()
self.ppdsloader = None
if self.printer_finder:
self.printer_finder.cancel ()
self.printer_finder = None
self.dec_spinner_task ()
self.NewPrinterWindow.hide()
if self.opreq is not None:
for handler in self.opreq_handlers:
self.opreq.disconnect (handler)
self.opreq_handlers = None
self.opreq.cancel ()
self.opreq = None
self.device = None
self.printers = {}
self.emit ('dialog-canceled')
return True
def on_btnNPBack_clicked(self, widget):
self.nextNPTab(-1)
def on_btnNPForward_clicked(self, widget):
self.nextNPTab()
def installdriverpackage (self, driver):
install_info = self._getDriverInstallationInfo (driver)
if not install_info:
return False
name = install_info['name']
repo = install_info['repo']
keyid = install_info['keyid']
fmt = _("Installing driver %s") % name
self._installdialog = Gtk.MessageDialog (parent=self.NewPrinterWindow,
modal=True, destroy_with_parent=True,
type=Gtk.MessageType.INFO,
buttons=Gtk.ButtonsType.CANCEL,
text=fmt)
self._installdialog.format_secondary_text (_("Installing ..."))
# Add a progress bar to the message box
dialogarea = self._installdialog.get_message_area()
pbar = Gtk.ProgressBar()
dialogarea.add(pbar)
pbar.show()
# Save a reference to the progress bar in the dialog, so that
# we can easily reference it from do_installdriverpackage()
self._installdialog._progress_bar = pbar
self._installdialog.connect ("response", self._installdialog_response)
self._installdialog.show_all ()
# Perform the actual installation of the printer driver
ret = self.do_installdriverpackage (name, repo, keyid)
if self._installdialog:
self._installdialog.hide ()
self._installdialog.destroy ()
self._installdialog = None
return ret
def do_installdriverpackage(self, name, repo, keyid):
debugprint('Installing driver: %s; Repo: %s; Key ID: %s' %
(repr (name),
repr (repo),
repr (keyid)))
# Do the installation with a command line helper script
new_environ = os.environ.copy()
new_environ['LC_ALL'] = "C"
if keyid:
args = ["install-printerdriver", name, repo, keyid]
else:
args = ["install-printerdriver", name, repo]
debugprint ("Running command: " + repr(args))
ret = True
try:
self.p = subprocess.Popen (args, env=new_environ, close_fds=True,
stdin=subprocess.DEVNULL,
stdout=subprocess.PIPE)
# Keep the UI refreshed while we wait for
# the drivers query to complete.
(stdout, stderr) = (self.p.stdout, self.p.stderr)
done = False
pbar = self._installdialog._progress_bar
while self.p.poll() is None:
line = stdout.readline ().strip()
if (len(line) > 0):
if line == "done":
done = True
break
elif line.startswith(b"P"):
try:
percentage = float(line[1:])
if percentage >= 0: