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# coding: utf-8
# /*##########################################################################
#
# Copyright (C) 2016-2018 European Synchrotron Radiation Facility
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
# ###########################################################################*/
__authors__ = ["V. Valls"]
__license__ = "MIT"
__date__ = "16/10/2020"
import logging
import sys
from silx.gui import qt
_logger = logging.getLogger(__name__)
def exception(parent, title, exc_info, logger=None):
"""
Display an exception as a MessageBox
:param str title: A context message (displayed a s a title)
:param qt.QWidget parent: The parent widget
:param Union[tuple,Exception] exc_info: An exception or the output of
exc_info.
:param object logger: Logger to record the error inside. If `None` a
default logger is provided.
"""
if logger is None:
logger = _logger
logger.error(title, exc_info=True)
if isinstance(exc_info, BaseException):
exc_info = (type(exc_info), exc_info, exc_info.__traceback__)
elif not isinstance(exc_info, tuple):
exc_info = sys.exc_info()
if exc_info[2] is not None:
# Mimic the syntax of the default Python exception
import traceback
detailed = (''.join(traceback.format_tb(exc_info[2])))
detailed = '{1}\nTraceback (most recent call last):\n{2}{0}: {1}'.format(exc_info[0].__name__, exc_info[1], detailed)
else:
# There is no backtrace
detailed = '{0}: {1}'.format(exc_info[0].__name__, exc_info[1])
msg = qt.QMessageBox(parent=parent)
msg.setWindowTitle(title)
msg.setIcon(qt.QMessageBox.Critical)
msg.setInformativeText("%s" % exc_info[1])
msg.setDetailedText(detailed)
msg.raise_()
msg.exec_()
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