74 lines
2.0 KiB
Python
74 lines
2.0 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
# Copyright 2012 OpenStack LLC
|
|
#
|
|
# 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.
|
|
import re
|
|
|
|
|
|
class Error(StandardError):
|
|
"""Base error class.
|
|
|
|
Child classes should define an HTTP status code, title, and a doc string.
|
|
|
|
"""
|
|
code = None
|
|
title = None
|
|
|
|
def __init__(self, message=None, **kwargs):
|
|
"""Use the doc string as the error message by default."""
|
|
message = message or self.__doc__ % kwargs
|
|
super(Error, self).__init__(message)
|
|
|
|
def __str__(self):
|
|
"""Cleans up line breaks and indentation from doc strings."""
|
|
string = super(Error, self).__str__()
|
|
string = re.sub('[ \n]+', ' ', string)
|
|
string = string.strip()
|
|
return string
|
|
|
|
|
|
class ValidationError(Error):
|
|
"""Expecting to find %(attribute)s in %(target)s.
|
|
|
|
The server could not comply with the request since it is either malformed
|
|
or otherwise incorrect.
|
|
|
|
The client is assumed to be in error.
|
|
|
|
"""
|
|
code = 400
|
|
title = 'Bad Request'
|
|
|
|
|
|
class Unauthorized(Error):
|
|
"""The request you have made requires authentication."""
|
|
code = 401
|
|
title = 'Not Authorized'
|
|
|
|
|
|
class Forbidden(Error):
|
|
"""You are not authorized to perform the requested action: %(action)s"""
|
|
code = 403
|
|
title = 'Not Authorized'
|
|
|
|
|
|
class NotFound(Error):
|
|
"""Could not find: %(target)s"""
|
|
code = 404
|
|
title = 'Not Found'
|
|
|
|
|
|
class TokenNotFound(NotFound):
|
|
"""Could not find token: %(token_id)s"""
|