Current File : //usr/share/system-config-printer/troubleshoot/CheckPrinterSanity.py
#!/usr/bin/python3
## Printing troubleshooter
## Copyright (C) 2008, 2009, 2010, 2012, 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.
from gi.repository import Gtk
import cups
import os
import smburi
import subprocess
from timedops import TimedOperation, TimedSubprocess
import urllib.parse
from .base import *
class CheckPrinterSanity(Question):
def __init__ (self, troubleshooter):
Question.__init__ (self, troubleshooter, "Check printer sanity")
troubleshooter.new_page (Gtk.Label (), self)
self.troubleshooter = troubleshooter
def display (self):
# Collect information useful for the various checks.
self.answers = {}
answers = self.troubleshooter.answers
if not answers['cups_queue_listed']:
return False
name = answers['cups_queue']
parent = self.troubleshooter.get_window ()
# Find out if this is a printer or a class.
try:
cups.setServer ('')
c = TimedOperation (cups.Connection, parent=parent).run ()
printers = TimedOperation (c.getPrinters, parent=parent).run ()
if name in printers:
self.answers['is_cups_class'] = False
queue = printers[name]
self.answers['cups_printer_dict'] = queue
else:
self.answers['is_cups_class'] = True
classes = TimedOperation (c.getClasses, parent=parent).run ()
queue = classes[name]
self.answers['cups_class_dict'] = queue
attrs = TimedOperation (c.getPrinterAttributes, (name,),
parent=parent).run ()
self.answers['local_cups_queue_attributes'] = attrs
except:
pass
if 'cups_printer_dict' in self.answers:
cups_printer_dict = self.answers['cups_printer_dict']
uri = cups_printer_dict['device-uri']
(scheme, rest) = urllib.parse.splittype (uri)
self.answers['cups_device_uri_scheme'] = scheme
if scheme in ["ipp", "http", "https"]:
(hostport, rest) = urllib.parse.splithost (rest)
(host, port) = urllib.parse.splitnport (hostport, defport=631)
self.answers['remote_server_name'] = host
self.answers['remote_server_port'] = port
elif scheme == "smb":
u = smburi.SMBURI (uri)
(group, host, share, user, password) = u.separate ()
new_environ = os.environ.copy()
new_environ['LC_ALL'] = "C"
if group:
args = ["nmblookup", "-W", group, host]
else:
args = ["nmblookup", host]
try:
p = TimedSubprocess (parent=parent,
timeout=5000,
args=args,
env=new_environ,
close_fds=True,
stdin=subprocess.DEVNULL,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
result = p.run ()
self.answers['nmblookup_output'] = result
for line in result[0]:
if line.startswith ("querying"):
continue
spc = line.find (' ')
if (spc != -1 and
not line[spc:].startswith (" failed ")):
# Remember the IP address.
self.answers['remote_server_name'] = line[:spc]
break
except OSError:
# Problem executing command.
pass
elif scheme == "hp":
new_environ = os.environ.copy()
new_environ['LC_ALL'] = "C"
new_environ['DISPLAY'] = ""
try:
p = TimedSubprocess (parent=parent,
timeout=3000,
args=["hp-info", "-d" + uri],
close_fds=True,
env=new_environ,
stdin=subprocess.DEVNULL,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
self.answers['hplip_output'] = p.run ()
except OSError:
# Problem executing command.
pass
r = cups_printer_dict['printer-type'] & cups.CUPS_PRINTER_REMOTE
self.answers['cups_printer_remote'] = (r != 0)
return False
def collect_answer (self):
return self.answers
Mini Shell