Current File : //usr/share/system-config-printer/troubleshoot/PrinterStateReasons.py
#!/usr/bin/python3
## Printing troubleshooter
## Copyright (C) 2008, 2009, 2010, 2011 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.
from gi.repository import Gtk
import cups
import ppdcache
import statereason
from timedops import TimedOperation
from .base import *
from functools import reduce
class PrinterStateReasons(Question):
def __init__ (self, troubleshooter):
Question.__init__ (self, troubleshooter, "Printer state reasons")
page = self.initial_vbox (_("Status Messages"),
_("There are status messages associated with "
"this queue."))
self.label = Gtk.Label ()
self.label.set_alignment (0, 0)
self.label.set_line_wrap (True)
page.pack_start (self.label, False, False, 0)
troubleshooter.new_page (page, self)
def display (self):
troubleshooter = self.troubleshooter
try:
queue = troubleshooter.answers['cups_queue']
except KeyError:
return False
parent = self.troubleshooter.get_window ()
cups.setServer ('')
self.op = TimedOperation (cups.Connection, parent=parent)
c = self.op.run ()
self.op = TimedOperation (c.getPrinterAttributes,
args=(queue,),
parent=parent)
dict = self.op.run ()
the_ppdcache = ppdcache.PPDCache ()
text = ''
state_message = dict['printer-state-message']
if state_message:
text += _("The printer's state message is: '%s'.") % state_message
text += '\n\n'
state_reasons_list = dict['printer-state-reasons']
if type (state_reasons_list) == str:
state_reasons_list = [state_reasons_list]
self.state_message = state_message
self.state_reasons = state_reasons_list
human_readable_errors = []
human_readable_warnings = []
for reason in state_reasons_list:
if reason == "none":
continue
r = statereason.StateReason (queue, reason, the_ppdcache)
(title, description) = r.get_description ()
level = r.get_level ()
if level == statereason.StateReason.ERROR:
human_readable_errors.append (description)
elif level == statereason.StateReason.WARNING:
human_readable_warnings.append (description)
if human_readable_errors:
text += _("Errors are listed below:") + '\n'
text += reduce (lambda x, y: x + "\n" + y, human_readable_errors)
text += '\n\n'
if human_readable_warnings:
text += _("Warnings are listed below:") + '\n'
text += reduce (lambda x, y: x + "\n" + y, human_readable_warnings)
self.label.set_text (text)
if (state_message == '' and
len (human_readable_errors) == 0 and
len (human_readable_warnings) == 0):
return False
# If this screen has been show before, don't show it again if
# nothing changed.
if 'printer-state-message' in troubleshooter.answers:
if (troubleshooter.answers['printer-state-message'] ==
self.state_message and
troubleshooter.answers['printer-state-reasons'] ==
self.state_reasons):
return False
return True
def collect_answer (self):
if not self.displayed:
return {}
return { 'printer-state-message': self.state_message,
'printer-state-reasons': self.state_reasons }
def cancel_operation (self):
self.op.cancel ()
Mini Shell