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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# (c) Copyright 2003-2006 Hewlett-Packard Development Company, L.P.
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Author: Don Welch
#
__version__ = '2.0'
__title__ = 'Print Utility'
__doc__ = "A simple front end to 'lp'. Provides a print UI from the Device Manager if kprinter, gtklp, or xpp are not installed."
# Std Lib
import sys, os, getopt, re, socket
# Local
from base.g import *
from base.msg import *
from base import utils, device
import base.async_qt as async
from prnt import cups
log.set_module('hp-print')
app = None
printdlg = None
client = None
USAGE = [(__doc__, "", "name", True),
("Usage: hp-print [PRINTER|DEVICE-URI] [OPTIONS] [FILE LIST]", "", "summary", True),
utils.USAGE_ARGS,
utils.USAGE_DEVICE,
("To specify a CUPS printer:", "-P<printer>, -p<printer> or --printer=<printer>", "option", False),
utils.USAGE_SPACE,
utils.USAGE_OPTIONS,
utils.USAGE_LOGGING1, utils.USAGE_LOGGING2, utils.USAGE_LOGGING3,
utils.USAGE_HELP,
("[FILELIST]", "", "heading", False),
("Optional list of files:", """Space delimited list of files to print. Files can also be selected for print by adding them to the file list in the UI.""", "option", False),
utils.USAGE_SPACE,
utils.USAGE_NOTES,
utils.USAGE_STD_NOTES1, utils.USAGE_STD_NOTES2,
]
def usage(typ='text'):
if typ == 'text':
utils.log_title(__title__, __version__)
utils.format_text(USAGE, typ, __title__, 'hp-print', __version__)
sys.exit(0)
class print_client(async.dispatcher):
def __init__(self):
async.dispatcher.__init__(self)
self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
self.connect((prop.hpssd_host, prop.hpssd_port))
self.in_buffer = ""
self.out_buffer = ""
self.fields = {}
self.data = ''
self.error_dialog = None
self.signal_exit = False
# handlers for all the messages we expect to receive
self.handlers = {
'eventgui' : self.handle_eventgui,
'unknown' : self.handle_unknown,
'exitguievent' : self.handle_exitguievent,
}
self.register_gui()
def handle_read(self):
log.debug("Reading data on channel (%d)" % self._fileno)
log.debug(repr(self.in_buffer))
self.in_buffer = self.recv(prop.max_message_len)
if self.in_buffer == '':
return False
remaining_msg = self.in_buffer
while True:
try:
self.fields, self.data, remaining_msg = parseMessage(remaining_msg)
except Error, e:
log.debug(repr(self.in_buffer))
log.warn("Message parsing error: %s (%d)" % (e.opt, e.msg))
self.out_buffer = self.handle_unknown()
log.debug(self.out_buffer)
return True
msg_type = self.fields.get('msg', 'unknown')
log.debug("%s %s %s" % ("*"*40, msg_type, "*"*40))
log.debug(repr(self.in_buffer))
try:
self.out_buffer = self.handlers.get(msg_type, self.handle_unknown)()
except Error:
log.error("Unhandled exception during processing")
if len(self.out_buffer): # data is ready for send
self.sock_write_notifier.setEnabled(True)
if not remaining_msg:
break
return True
def handle_write(self):
if not len(self.out_buffer):
return
log.debug("Sending data on channel (%d)" % self._fileno)
log.debug(repr(self.out_buffer))
try:
sent = self.send(self.out_buffer)
except:
log.error("send() failed.")
self.out_buffer = self.out_buffer[sent:]
def writable(self):
return not ((len(self.out_buffer) == 0)
and self.connected)
def handle_exitguievent(self):
self.signal_exit = True
if self.signal_exit:
if printdlg is not None:
printdlg.close()
qApp.quit()
return ''
# EVENT
def handle_eventgui(self):
global printdlg
try:
job_id = self.fields['job-id']
event_code = self.fields['event-code']
event_type = self.fields['event-type']
retry_timeout = self.fields['retry-timeout']
lines = self.data.splitlines()
error_string_short, error_string_long = lines[0], lines[1]
device_uri = self.fields['device-uri']
log.debug("Event: %d '%s'" % (event_code, event_type))
printdlg.EventUI(event_code, event_type, error_string_short,
error_string_long, retry_timeout, job_id,
device_uri)
except:
log.exception()
return ''
def handle_unknown(self):
#return buildResultMessage('MessageError', None, ERROR_INVALID_MSG_TYPE)
return ''
def handle_messageerror(self):
return ''
def handle_close(self):
log.debug("closing channel (%d)" % self._fileno)
self.connected = False
async.dispatcher.close(self)
def register_gui(self):
out_buffer = buildMessage("RegisterGUIEvent", None,
{'type': 'print',
'username': prop.username})
self.send(out_buffer)
try:
opts, args = getopt.getopt(sys.argv[1:], 'P:p:d:hl:g',
['printer=', 'device=', 'help',
'help-rest', 'help-man', 'logging=', 'help-desc'])
except getopt.GetoptError:
usage()
printer_name = None
device_uri = None
log_level = logger.DEFAULT_LOG_LEVEL
bus = 'cups'
if os.getenv("HPLIP_DEBUG"):
log.set_level('debug')
for o, a in opts:
if o in ('-h', '--help'):
usage()
elif o == '--help-rest':
usage('rest')
elif o == '--help-man':
usage('man')
elif o == '--help-desc':
print __doc__,
sys.exit(0)
elif o in ('-p', '-P', '--printer'):
printer_name = a
elif o in ('-d', '--device'):
device_uri = a
elif o in ('-l', '--logging'):
log_level = a.lower().strip()
if not log.set_level(log_level):
usage()
elif o == '-g':
log.set_level('debug')
# Security: Do *not* create files that other users can muck around with
os.umask (0077)
utils.log_title(__title__, __version__)
# PyQt
if not utils.checkPyQtImport():
log.error("PyQt/Qt initialization error. Please check install of PyQt/Qt and try again.")
sys.exit(1)
from qt import *
from ui.printerform import PrinterForm
try:
client = print_client()
except Error:
log.error("Unable to create client object.")
sys.exit(0)
# create the main application object
app = QApplication(sys.argv)
printdlg = PrinterForm(client.socket, bus, device_uri, printer_name, args)
printdlg.show()
app.setMainWidget(printdlg)
user_config = os.path.expanduser('~/.hplip.conf')
loc = utils.loadTranslators(app, user_config)
try:
log.debug("Starting GUI loop...")
app.exec_loop()
except KeyboardInterrupt:
pass
except:
log.exception()
sys.exit(0)
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