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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')
# 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
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)
def main(args): try: opts, args = getopt.getopt(sys.argv[1:], 'P:p:d:hl:g', ['printer=', 'device=', 'help', 'help-rest', 'help-man', 'logging=']) 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 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__)
global client try: client = print_client() except Error: log.error("Unable to create client object.") sys.exit(0)
# create the main application object global app app = QApplication(sys.argv)
global printdlg 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() return 0
if __name__ == "__main__": sys.exit(main(sys.argv[1:]))
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