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#!/usr/bin/env python
## Printing troubleshooter
## Copyright (C) 2008, 2009 Red Hat, Inc.
## Copyright (C) 2008, 2009 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
import statereason
from timedops import TimedOperation
from base import *
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 ()
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) == unicode:
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 (c, queue, reason)
(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 troubleshooter.answers.has_key ('printer-state-message'):
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 ()
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