RETIRED, Tricircle is to provide networking automation across Neutron.
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# Copyright 2015 Huawei Technologies Co., Ltd.
# 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
# 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.
Tricircle base exception handling.
from oslo_utils import excutils
import six
from tricircle.i18n import _
class TricircleException(Exception):
"""Base Tricircle Exception.
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):
super(TricircleException, self).__init__(self.message % kwargs)
self.msg = self.message % kwargs
except Exception:
with excutils.save_and_reraise_exception() as ctxt:
if not self.use_fatal_exceptions():
ctxt.reraise = False
# at least get the core message out if something happened
super(TricircleException, self).__init__(self.message)
if six.PY2:
def __unicode__(self):
return unicode(self.msg)
def use_fatal_exceptions(self):
return False
class BadRequest(TricircleException):
message = _('Bad %(resource)s request: %(msg)s')
class NotFound(TricircleException):
class Conflict(TricircleException):
class NotAuthorized(TricircleException):
message = _("Not authorized.")
class ServiceUnavailable(TricircleException):
message = _("The service is unavailable")
class AdminRequired(NotAuthorized):
message = _("User does not have admin privileges: %(reason)s")
class InUse(TricircleException):
message = _("The resource is inuse")
class InvalidConfigurationOption(TricircleException):
message = _("An invalid value was provided for %(opt_name)s: "