#!/usr/bin/env python2.7
#
# Copyright 2007 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
"""Generic exceptions."""


class TimeoutException(Exception):
  def __init__(self, msg=""):
    Exception.__init__(self, msg)


class NestedException(Exception):
  def __init__(self, exc_info):
    Exception.__init__(self, exc_info[1])
    self.exc_info_ = exc_info

  def exc_info(self):
    return self.exc_info_


class AbstractMethod(Exception):
  """DEPRECATED. Only use in "except" where older code may raise this.

  Instead use NotImplementedError which has been in Python since 1.5.2.
  """

  def __init__(self):
    """DEPRECATED. Introduce no new call sites."""
    Exception.__init__(self)
