# Source code for taurus.core.util.excepthook

    #!/usr/bin/env python

    # ###########################################################################
    #
    # This file is part of Taurus
    #
    # http://taurus-scada.org
    #
    # Copyright 2011 CELLS / ALBA Synchrotron, Bellaterra, Spain
    #
    # Taurus is free software: you can redistribute it and/or modify
    # it under the terms of the GNU Lesser General Public License as published by
    # the Free Software Foundation, either version 3 of the License, or
    # (at your option) any later version.
    #
    # Taurus 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 Lesser General Public License for more details.
    #
    # You should have received a copy of the GNU Lesser General Public License
    # along with Taurus.  If not, see <http://www.gnu.org/licenses/>.
    #
    # ###########################################################################

    """This module contains a base class for exception hooks
    """

    import sys

    __all__ = ["BaseExceptHook"]

    __docformat__ = "restructuredtext"

    class BaseExceptHook(object):
        """A callable class that acts as an excepthook that handles an exception.
        This base class simply calls the :obj:`sys.__excepthook__`

        :param hook_to: callable excepthook that will be called at the end of this
            hook handling [default: None]
        :type hook_to: callable
        """

        def __init__(self, hook_to=None):
            self._excepthook = hook_to

        def __call__(self, *exc_info):
            self.report(*exc_info)
            if self._excepthook is not None:
                return self._excepthook(*exc_info)

        def report(self, *exc_info):
            """Report an exception. Overwrite as necessary"""
            return sys.__excepthook__(*exc_info)