Dioptas/dioptas/tests/ehook.py

64 lines
2.2 KiB
Python

# -*- coding: utf-8 -*-
# Dioptas - GUI program for fast processing of 2D X-ray diffraction data
# Principal author: Clemens Prescher (clemens.prescher@gmail.com)
# Copyright (C) 2014-2019 GSECARS, University of Chicago, USA
# Copyright (C) 2015-2018 Institute for Geology and Mineralogy, University of Cologne, Germany
# Copyright (C) 2019-2020 DESY, Hamburg, Germany
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
from io import StringIO
import sys
import traceback
from qtpy import QtWidgets
def excepthook(exc_type, exc_value, traceback_obj):
"""
Global function to catch unhandled exceptions. This function will result in an error dialog which displays the
error information.
:param exc_type: exception type
:param exc_value: exception value
:param traceback_obj: traceback object
:return:
"""
separator = '-' * 80
tb_info_file = StringIO()
traceback.print_tb(traceback_obj, None, tb_info_file)
tb_info_file.seek(0)
tb_info = tb_info_file.read()
errmsg = '%s: \n%s' % (str(exc_type), str(exc_value))
sections = [separator, separator, errmsg, separator, tb_info]
msg = '\n'.join(sections)
print(msg)
# raise Exception
def main():
app = QtWidgets.QApplication([])
sys.excepthook = excepthook
from sys import platform as _platform
from ..controller.MainController import MainController
if _platform == "linux" or _platform == "linux2" or _platform == "win32" or _platform == 'cygwin':
app.setStyle('plastique')
controller = MainController()
controller.show_window()
app.exec_()
del app