1 #!/usr/bin/env python

     2 #

     3 # Copyright 2007 Google Inc.

     4 #

     5 # Licensed under the Apache License, Version 2.0 (the "License");

     6 # you may not use this file except in compliance with the License.

     7 # You may obtain a copy of the License at

     8 #

     9 #     http://www.apache.org/licenses/LICENSE-2.0

    10 #

    11 # Unless required by applicable law or agreed to in writing, software

    12 # distributed under the License is distributed on an "AS IS" BASIS,

    13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

    14 # See the License for the specific language governing permissions and

    15 # limitations under the License.

    16 #

    17 

    18 """

    19 Generic exceptions.

    20 """

    21 

    22 class TimeoutException(Exception):

    23   def __init__(self, msg=""):

    24     Exception.__init__(self, msg)

    25 

    26 class NestedException(Exception):

    27   def __init__(self, exc_info):

    28     Exception.__init__(self, exc_info[1])

    29     self.exc_info_ = exc_info

    30   def exc_info(self):

    31     return self.exc_info_

    32 

    33 class AbstractMethod(Exception):

    34   """Raise this exception to indicate that a method is abstract.  Example:

    35         class Foo:

    36           def Bar(self):

    37             raise gexcept.AbstractMethod"""

    38   def __init__(self):

    39     Exception.__init__(self)