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# Copyright (c) 2013 Red Hat, 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.
"""
Errors below must be used to translate transport specific
errors to Zaqar errors. For example, HTTP 404s should be
raised as `ResourceNotFound`
"""
from zaqarclient import errors
__all__ = ['TransportError', 'ResourceNotFound', 'MalformedRequest',
'UnauthorizedError', 'ForbiddenError', 'ServiceUnavailableError',
'InternalServerError', 'ConflictError']
class TransportError(errors.ZaqarError):
"""Base class for all transport errors."""
code = None
def __init__(self, title=None, description=None, text=None):
msg = 'Error response from Zaqar. Code: {0}.'.format(self.code)
if title:
msg += ' Title: {0}.'.format(title)
if description:
msg += ' Description: {0}.'.format(description)
if text:
msg += ' Text: {0}.'.format(text)
super(TransportError, self).__init__(msg)
class ResourceNotFound(TransportError):
"""Indicates that a resource is missing
This error maps to HTTP's 404
"""
code = 404
class MalformedRequest(TransportError):
"""Indicates that a request is malformed
This error maps to HTTP's 400
"""
code = 400
class UnauthorizedError(TransportError):
"""Indicates that a request was not authenticated
This error maps to HTTP's 401
"""
code = 401
class ForbiddenError(TransportError):
"""Indicates that a request is forbidden to access the particular resource
This error maps to HTTP's 403
"""
code = 403
class InternalServerError(TransportError):
"""Indicates that the server encountered an unexpected situation
This error maps to HTTP's 500
"""
code = 500
class ServiceUnavailableError(TransportError):
"""Indicates that the server was unable to service the request
This error maps to HTTP's 503
"""
code = 503
class ConflictError(TransportError):
"""Indicates that the server was unable to service the request
This error maps to HTTP's 409
"""
code = 409
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