#
# errors.py
# From the stagger project: http://code.google.com/p/stagger/
#
# Copyright (c) 2009-2011 Karoly Lorentey  <karoly@lorentey.hu>
# All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 
# - Redistributions of source code must retain the above copyright
#   notice, this list of conditions and the following disclaimer.
# 
# - Redistributions in binary form must reproduce the above copyright
#   notice, this list of conditions and the following disclaimer in
#   the documentation and/or other materials provided with the
#   distribution.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

class Error(Exception): pass

class Warning(Error, UserWarning): pass

class FrameWarning(Warning): pass
class ErrorFrameWarning(FrameWarning): pass
class UnknownFrameWarning(FrameWarning): pass
class EmptyFrameWarning(FrameWarning): pass
class DuplicateFrameWarning(FrameWarning): pass
class UntestedFrameWarning(FrameWarning): pass
class BozoFrameWarning(FrameWarning): pass

class TagWarning(Warning): pass

class NoTagError(Error): pass
class TagError(Error, ValueError): pass
class NotAFrameError(Error): pass
class FrameError(Error): pass
class IncompatibleFrameError(FrameError): pass
