#-----------------------------------------------------------------------------
# Copyright (c) 2005-2020, PyInstaller Development Team.
#
# Distributed under the terms of the GNU General Public License (version 2
# or later) with exception for distributing the bootloader.
#
# The full license is in the file COPYING.txt, distributed with this software.
#
# SPDX-License-Identifier: (GPL-2.0-or-later WITH Bootloader-exception)
#-----------------------------------------------------------------------------


class ExecCommandFailed(SystemExit):
    pass


class HookError(Exception):
    """Base class for hook related errors."""
    pass


class ImportErrorWhenRunningHook(HookError):
    def __str__(self):
        return ("Failed to import module {0} required by hook for module {1}. "
                "Please check whether module {0} actually exists and whether "
                "the hook is compatible with your version of {1}: You might "
                "want to read more about hooks in the manual and provide "
                "a pull-request to improve PyInstaller.".format(
                    self.args[0], self.args[1]))
