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#!/usr/bin/env python
## Copyright (C) 2007, 2008, 2009, 2010 Red Hat, Inc.
## Authors:
## Tim Waugh <twaugh@redhat.com>
## Jiri Popelka <jpopelka@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 os
_ = lambda x: x
def set_gettext_function (fn):
global _
_ = fn
class StateReason:
REPORT=1
WARNING=2
ERROR=3
LEVEL_ICON={
REPORT: "dialog-info",
WARNING: "dialog-warning",
ERROR: "dialog-error"
}
def __init__(self, connection, printer, reason):
self.printer = printer
self.reason = reason
self.level = None
self.canonical_reason = None
self.connection = connection
self._ppd = None
def get_printer (self):
return self.printer
def get_level (self):
if self.level != None:
return self.level
if (self.reason.endswith ("-report") or
self.reason == "connecting-to-device"):
self.level = self.REPORT
elif self.reason.endswith ("-warning"):
self.level = self.WARNING
else:
self.level = self.ERROR
return self.level
def get_reason (self):
if self.canonical_reason:
return self.canonical_reason
level = self.get_level ()
reason = self.reason
if level == self.WARNING and reason.endswith ("-warning"):
reason = reason[:-8]
elif level == self.ERROR and reason.endswith ("-error"):
reason = reason[:-6]
self.canonical_reason = reason
return self.canonical_reason
def __repr__ (self):
self.get_level()
if self.level == self.REPORT:
level = "REPORT"
elif self.level == self.WARNING:
level = "WARNING"
else:
level = "ERROR"
return "<statereason.StateReason (%s,%s,%s)>" % (level,
self.get_printer (),
self.get_reason ())
def get_description (self):
messages = {
'toner-low': (_("Toner low"),
_("Printer '%s' is low on toner.")),
'toner-empty': (_("Toner empty"),
_("Printer '%s' has no toner left.")),
'cover-open': (_("Cover open"),
_("The cover is open on printer '%s'.")),
'door-open': (_("Door open"),
_("The door is open on printer '%s'.")),
'media-low': (_("Paper low"),
_("Printer '%s' is low on paper.")),
'media-empty': (_("Out of paper"),
_("Printer '%s' is out of paper.")),
'marker-supply-low': (_("Ink low"),
_("Printer '%s' is low on ink.")),
'marker-supply-empty': (_("Ink empty"),
_("Printer '%s' has no ink left.")),
'offline': (_("Printer off-line"),
_("Printer '%s' is currently off-line.")),
'connecting-to-device': (_("Not connected?"),
_("Printer '%s' may not be connected.")),
'other': (_("Printer error"),
_("There is a problem on printer '%s'.")),
'cups-missing-filter': (_("Printer configuration error"),
_("There is a missing print filter for "
"printer '%s'.")),
}
try:
(title, text) = messages[self.get_reason ()]
try:
text = text % self.get_printer ()
except TypeError:
# Probably an incorrect translation, missing a '%s'.
pass
except KeyError:
if self.get_level () == self.REPORT:
title = _("Printer report")
elif self.get_level () == self.WARNING:
title = _("Printer warning")
elif self.get_level () == self.ERROR:
title = _("Printer error")
if not self._ppd:
try:
f = self.connection.getPPD(self.printer)
self._ppd = cups.PPD (f)
os.unlink (f)
except (cups.IPPError, RuntimeError, OSError):
pass
reason = self.get_reason ()
if self._ppd:
try:
schemes = ["text", "http", "help", "file"]
localized_reason = ""
for scheme in schemes:
reason = self._ppd.localizeIPPReason(self.reason,
scheme)
if reason != None:
localized_reason = localized_reason + reason + ", "
if localized_reason != "":
reason = localized_reason[:-2]
except RuntimeError:
pass
text = _("Printer '%s': '%s'.") % (self.get_printer (), reason)
return (title, text)
def get_tuple (self):
return (self.get_level (), self.get_printer (), self.get_reason ())
def __cmp__(self, other):
if other == None:
return 1
if other.get_level () != self.get_level ():
return cmp (self.get_level (), other.get_level ())
if other.get_printer () != self.get_printer ():
return cmp (other.get_printer (), self.get_printer ())
return cmp (other.get_reason (), self.get_reason ())
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