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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# 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.
"""DB related custom exceptions."""
from openstack.common.gettextutils import _
class DBError(Exception):
"""Wraps an implementation specific exception."""
def __init__(self, inner_exception=None):
self.inner_exception = inner_exception
super(DBError, self).__init__(str(inner_exception))
class DBDuplicateEntry(DBError):
"""Wraps an implementation specific exception."""
def __init__(self, columns=[], inner_exception=None):
self.columns = columns
super(DBDuplicateEntry, self).__init__(inner_exception)
class DBDeadlock(DBError):
def __init__(self, inner_exception=None):
super(DBDeadlock, self).__init__(inner_exception)
class DBInvalidUnicodeParameter(Exception):
message = _("Invalid Parameter: "
"Unicode is not supported by the current database.")
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