"""
_exceptions module (imdb package).

This module provides the exception hierarchy used by the imdb package.

Copyright 2004-2009 Davide Alberani <da@erlug.linux.it>

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 2 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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
"""

import logging


class IMDbError(Exception):
    """Base class for every exception raised by the imdb package."""
    _logger = logging.getLogger('imdbpy')

    def __init__(self, *args, **kwargs):
        """Initialize the exception and pass the message to the log system."""
        # Every raised exception also dispatch a critical log.
        self._logger.critical('%s exception raised; args: %s; kwds: %s',
                                self.__class__.__name__, args, kwargs,
                                exc_info=True)
        Exception.__init__(self, *args, **kwargs)

class IMDbDataAccessError(IMDbError):
    """Exception raised when is not possible to access needed data."""
    pass

class IMDbParserError(IMDbError):
    """Exception raised when an error occurred parsing the data."""
    pass

