Dioptas/dioptas/tests/exceptionhook.py

57 lines
1.8 KiB
Python

# -*- coding: utf8 -*-
# Dioptas - GUI program for fast processing of 2D X-ray data
# Copyright (C) 2014 Clemens Prescher (clemens.prescher@gmail.com)
# GSECARS, University of Chicago
#
# 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 __future__ import absolute_import
import sys
import os
import time
try:
from cStringIO import StringIO
except ImportError:
from io import StringIO
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)
traceback.print_exception(exc_type, exc_value, traceback_obj)
tb_info_file.seek(0)
tb_info = tb_info_file.read()
errmsg = '%s: \n%s' % (str(exc_type), str(exc_value))
sections = [separator, errmsg, separator, tb_info]
msg = '\n'.join(sections)
print(msg)
def main():
sys.excepthook = excepthook