Dioptas/dioptas/excepthook.py

73 lines
2.7 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/>.
import os
import time
import traceback
try:
from cStringIO import StringIO
except ImportError:
from io import StringIO
from .widgets.UtilityWidgets import ErrorMessageBox
from . import __version__
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
log_path = f"{os.path.expanduser('~')}/dioptas_error.log"
notice = \
"""An unhandled exception occurred. Please report the bug under:\n """ \
"""\t%s\n""" \
"""or via email to:\n\t <%s>.\n\n""" \
"""Please make sure to report the steps to reproduce the error. Otherwise it will be hard to fix it. \n\n""" \
"""A log has been written to "%s".\n\nError information:\n""" % \
("https://github.com/Dioptas/Dioptas/issues",
"clemens.prescher@gmail.com", log_path)
version_info = '\n'.join((separator, "Dioptas Version: %s" % __version__))
time_string = time.strftime("%Y-%m-%d, %H:%M:%S")
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, time_string, separator, errmsg, separator, tb_info]
msg = '\n'.join(sections)
try:
f = open(log_path, "a")
f.write(msg)
f.write(version_info)
f.close()
except IOError:
pass
errorbox = ErrorMessageBox()
errorbox.setText(str(notice) + str(msg) + str(version_info))
errorbox.exec_()