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#!/usr/bin/env python2
# -*- coding: utf-8 -*-
#
# Copyright (c) 2012-2013 Ciro Mattia Gonano <ciromattia@gmail.com>
# Copyright (c) 2013 Pawel Jastrzebski <pawelj@vulturis.eu>
#
# Permission to use, copy, modify, and/or distribute this software for
# any purpose with or without fee is hereby granted, provided that the
# above copyright notice and this permission notice appear in all
# copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
# WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
# AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
# DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA
# OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
# TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.
__version__ = '4.0'
__license__ = 'ISC'
__copyright__ = '2012-2013, Ciro Mattia Gonano <ciromattia@gmail.com>, Pawel Jastrzebski <pawelj@vulturis.eu>'
__docformat__ = 'restructuredtext en'
import sys
import os
try:
# noinspection PyUnresolvedReferences
from PyQt4 import QtCore, QtGui, QtNetwork
except ImportError:
print("ERROR: PyQT4 is not installed!")
if sys.platform.startswith('linux'):
import tkinter
import tkinter.messagebox
importRoot = tkinter.Tk()
importRoot.withdraw()
tkinter.messagebox.showerror("KCC - Error", "PyQT4 is not installed!")
exit(1)
from kcc import KCC_gui
from multiprocessing import freeze_support
# OS specific PATH variable workarounds
if sys.platform.startswith('darwin'):
if 'RESOURCEPATH' in os.environ:
os.environ['PATH'] = os.environ['RESOURCEPATH'] + ':' + os.environ['PATH']
else:
os.environ['PATH'] = os.path.dirname(os.path.abspath(__file__)) + '/other/:' + os.environ['PATH']
elif sys.platform.startswith('win'):
if getattr(sys, 'frozen', False):
os.chdir(os.path.dirname(os.path.abspath(sys.executable)))
else:
os.environ['PATH'] = os.path.dirname(os.path.abspath(__file__)) + '/other/;' + os.environ['PATH']
os.chdir(os.path.dirname(os.path.abspath(__file__)))
# Implementing detection of already running KCC instance and forwarding argv to it
class QApplicationMessaging(QtGui.QApplication):
def __init__(self, argv):
QtGui.QApplication.__init__(self, argv)
self._memory = QtCore.QSharedMemory(self)
self._memory.setKey('KCC')
if self._memory.attach():
self._running = True
else:
self._running = False
if not self._memory.create(1):
raise RuntimeError(self._memory.errorString().toLocal8Bit().data())
self._key = 'KCC'
self._timeout = 1000
self._server = QtNetwork.QLocalServer(self)
if not self.isRunning():
self._server.newConnection.connect(self.handleMessage)
self._server.listen(self._key)
def isRunning(self):
return self._running
def handleMessage(self):
socket = self._server.nextPendingConnection()
if socket.waitForReadyRead(self._timeout):
self.emit(QtCore.SIGNAL('messageFromOtherInstance'), socket.readAll().data().decode('utf8'))
def sendMessage(self, message):
if self.isRunning():
socket = QtNetwork.QLocalSocket(self)
socket.connectToServer(self._key, QtCore.QIODevice.WriteOnly)
if not socket.waitForConnected(self._timeout):
return False
socket.write(message.encode('utf8'))
if not socket.waitForBytesWritten(self._timeout):
return False
socket.disconnectFromServer()
return True
return False
freeze_support()
KCCAplication = QApplicationMessaging(sys.argv)
if KCCAplication.isRunning():
if len(sys.argv) > 1:
KCCAplication.sendMessage(sys.argv[1].decode(sys.getfilesystemencoding()))
sys.exit(0)
else:
messageBox = QtGui.QMessageBox()
icon = QtGui.QIcon()
icon.addPixmap(QtGui.QPixmap(':/Icon/icons/comic2ebook.png'), QtGui.QIcon.Normal, QtGui.QIcon.Off)
messageBox.setWindowIcon(icon)
QtGui.QMessageBox.critical(messageBox, 'KCC - Error', 'KCC is already running!', QtGui.QMessageBox.Ok)
sys.exit(1)
KCCWindow = QtGui.QMainWindow()
KCCUI = KCC_gui.KCCGUI(KCCAplication, KCCWindow)
if len(sys.argv) > 1:
KCCUI.handleMessage(sys.argv[1].decode(sys.getfilesystemencoding()))
sys.exit(KCCAplication.exec_())
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