324ea453ae
- Fix new hacking violations! - Add more comments! Change-Id: Ida0c1b6c98a8f45a15985b33529a1f479e595db5
67 lines
2.0 KiB
Python
67 lines
2.0 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
# Copyright (C) 2012 Yahoo! Inc. All Rights Reserved.
|
|
#
|
|
# 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 taskflow.openstack.common import exception as exc
|
|
|
|
|
|
class TaskFlowException(exc.Error):
|
|
"""Base class for exceptions emitted from this library."""
|
|
pass
|
|
|
|
|
|
class NotFound(TaskFlowException):
|
|
"""Raised when some entry in some object doesn't exist."""
|
|
pass
|
|
|
|
|
|
class AlreadyExists(TaskFlowException):
|
|
"""Raised when some entry in some object already exists."""
|
|
pass
|
|
|
|
|
|
class ClosedException(TaskFlowException):
|
|
"""Raised when an access on a closed object occurs."""
|
|
pass
|
|
|
|
|
|
class InvalidStateException(TaskFlowException):
|
|
"""Raised when a task/job/workflow is in an invalid state when an
|
|
operation is attempting to apply to said task/job/workflow.
|
|
"""
|
|
pass
|
|
|
|
|
|
class UnclaimableJobException(TaskFlowException):
|
|
"""Raised when a job can not be claimed."""
|
|
pass
|
|
|
|
|
|
class JobNotFound(TaskFlowException):
|
|
"""Raised when a job entry can not be found."""
|
|
pass
|
|
|
|
|
|
class MissingDependencies(InvalidStateException):
|
|
"""Raised when a task has dependencies that can not be satisified."""
|
|
message = ("%(task)s requires %(requirements)s but no other task produces"
|
|
" said requirements")
|
|
|
|
def __init__(self, task, requirements):
|
|
message = self.message % {'task': task, 'requirements': requirements}
|
|
super(MissingDependencies, self).__init__(message)
|