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# -*- coding: utf-8 -*-
#
# AWL simulator - QT bindings wrapper
#
# Copyright 2015 Michael Buesch <m@bues.ch>
#
# 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 __future__ import division, absolute_import, print_function, unicode_literals
from awlsim.common.compat import *
from awlsim.common import *
import sys
import os
def __frameworkError(msg):
printError("awlsim-gui ERROR: " + msg)
input("Press enter to exit.")
sys.exit(1)
def __testQStringAPI(scope, silent=False):
# Test for QString v2 API
if "QString" in scope:
# QString exists. This is v1 API.
if silent:
return False
__frameworkError("Deprecated QString API detected.\n"
"Awlsim does not support PyQt QString v1 API.\n"
"---> Please use PySide or a newer PyQt with v2 APIs. <---")
return True
def __autodetectGuiFramework():
urls = {
"pyside" : "http://www.pyside.org/",
"pyqt4" : "http://www.riverbankcomputing.com/software/pyqt/download",
"pyqt5" : "http://www.riverbankcomputing.com/software/pyqt/download5",
}
try:
import PyQt5.QtCore as __pyQtCore
if __testQStringAPI(dir(__pyQtCore), True):
return "pyqt5"
except ImportError:
pass
try:
import PySide.QtCore as __pySideCore
return "pyside4"
except ImportError:
pass
try:
import PyQt4.QtCore as __pyQtCore
if __testQStringAPI(dir(__pyQtCore), True):
return "pyqt4"
except ImportError:
pass
__frameworkError("Neither PySide nor PyQt found.\n"
"PLEASE INSTALL PySide (%s)\n"
" or PyQt4 with v2 APIs (%s)\n"
" or PyQt5 with v2 APIs (%s)" %\
(urls["pyside"],
urls["pyqt4"],
urls["pyqt5"]))
# The Qt bindings can be set via AWLSIMGUI environment variable.
__guiFramework = os.getenv("AWLSIMGUI", "auto").lower()
# Run Qt autodetection
if __guiFramework == "auto":
__guiFramework = __autodetectGuiFramework()
if __guiFramework == "pyside":
__guiFramework = "pyside4"
if __guiFramework == "pyqt":
__guiFramework = "pyqt5"
# Load the Qt modules
if __guiFramework == "pyside4":
printInfo("awlsim-gui: Using PySide4 GUI framework")
try:
from PySide.QtCore import *
from PySide.QtGui import *
except ImportError as e:
__frameworkError("Failed to import PySide modules:\n" + str(e))
elif __guiFramework == "pyqt4":
printInfo("awlsim-gui: Using PyQt4 GUI framework")
try:
from PyQt4.QtCore import *
from PyQt4.QtGui import *
except ImportError as e:
__frameworkError("Failed to import PyQt4 modules:\n" + str(e))
__testQStringAPI(globals())
# Compatibility
Signal = pyqtSignal
elif __guiFramework == "pyqt5":
printInfo("awlsim-gui: Using PyQt5 GUI framework")
try:
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
except ImportError as e:
__frameworkError("Failed to import PyQt5 modules:\n" + str(e))
__testQStringAPI(globals())
# Compatibility
Signal = pyqtSignal
else:
__frameworkError("Unknown GUI framework '%s' requested. "
"Please fix AWLSIMGUI environment variable." %\
__guiFramework)
# Helpers for distinction between Qt4 and Qt5 API.
isQt4 = (__guiFramework == "pyside4" or\
__guiFramework == "pyqt4")
isQt5 = (__guiFramework == "pyqt5")
# Helpers for distinction between PySide and PyQt API.
isPySide = __guiFramework.startswith("pyside")
isPyQt = __guiFramework.startswith("pyqt")
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