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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2011 Nicira Networks, 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.
"""
Quantum base exception handling.
"""
class QuantumException(Exception):
"""Base Quantum Exception
Taken from nova.exception.NovaException
To correctly use this class, inherit from it and define
a 'message' property. That message will get printf'd
with the keyword arguments provided to the constructor.
"""
message = _("An unknown exception occurred.")
def __init__(self, **kwargs):
try:
self._error_string = self.message % kwargs
except Exception:
# at least get the core message out if something happened
self._error_string = self.message
def __str__(self):
return self._error_string
class NotFound(QuantumException):
pass
class QuantumClientException(QuantumException):
def __init__(self, **kwargs):
message = kwargs.get('message')
self.status_code = kwargs.get('status_code', 0)
if message:
self.message = message
super(QuantumClientException, self).__init__(**kwargs)
# NOTE: on the client side, we use different exception types in order
# to allow client library users to handle server exceptions in try...except
# blocks. The actual error message is the one generated on the server side
class NetworkNotFoundClient(QuantumClientException):
pass
class PortNotFoundClient(QuantumClientException):
pass
class MalformedResponseBody(QuantumException):
message = _("Malformed response body: %(reason)s")
class StateInvalidClient(QuantumClientException):
pass
class NetworkInUseClient(QuantumClientException):
pass
class PortInUseClient(QuantumClientException):
pass
class AlreadyAttachedClient(QuantumClientException):
pass
class Unauthorized(QuantumClientException):
"""
HTTP 401 - Unauthorized: bad credentials.
"""
pass
class Forbidden(QuantumClientException):
"""
HTTP 403 - Forbidden: your credentials don't give you access to this
resource.
"""
pass
class EndpointNotFound(QuantumClientException):
"""Could not find Service or Region in Service Catalog."""
pass
class AmbiguousEndpoints(QuantumClientException):
"""Found more than one matching endpoint in Service Catalog."""
def __str__(self):
return "AmbiguousEndpoints: %s" % repr(self.message)
class QuantumCLIError(QuantumClientException):
""" Exception raised when command line parsing fails """
pass
class ConnectionFailed(QuantumClientException):
message = _("Connection to quantum failed: %(reason)s")
class BadInputError(Exception):
"""Error resulting from a client sending bad input to a server"""
pass
class Error(Exception):
def __init__(self, message=None):
super(Error, self).__init__(message)
class MalformedRequestBody(QuantumException):
message = _("Malformed request body: %(reason)s")
class Invalid(Error):
pass
class InvalidContentType(Invalid):
message = _("Invalid content type %(content_type)s.")
class UnsupportedVersion(Exception):
"""Indicates that the user is trying to use an unsupported
version of the API"""
pass
class CommandError(Exception):
pass
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