# Copyright (C) 2015  Tobias Brink
#
# 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 PyQt5 import QtWidgets


def exception_box(exception, parent):
    """Show a message box with the exception.

    Call immediately in the except: block as it will extract the last
    traceback automatically.

    """
    import traceback
    tb = traceback.format_exc()
    ex = str(exception)
    import html
    s = html.escape(ex) + "<br><br>" + html.escape(tb).replace("\n", "<br>")
    QtWidgets.QMessageBox.critical(
        parent, "Unhandled Exception", s
    )
    return
