tobiko/tobiko/common/exceptions.py

43 lines
1.4 KiB
Python

# Copyright 2018 Red Hat
#
# 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.
from __future__ import absolute_import
class TobikoException(Exception):
"""Base Tobiko Exception.
To use this class, inherit from it and define a 'message' property.
"""
message = "An unknown exception occurred."
def __init__(self, **properties):
super(TobikoException, self).__init__()
self._properties = properties
message = self.message # pylint: disable=exception-message-attribute
if properties:
message = message % properties
self._message = message
def __str__(self):
return self._message
def __getattr(self, name):
try:
return self._properties[name]
except KeyError:
pass
msg = ("'{!r}' object has no attribute {!r}").format(self, name)
raise AttributeError(msg)