40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
# Copyright (c) 2013 Mirantis Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import functools
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from sahara.openstack.common.rpc import common as rpc_common
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class RpcExceptionPassthrough(object):
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"""Class to wrap another and translate the ClientExceptions raised by its
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function calls to the actual ones.
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"""
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def __init__(self, target):
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self._target = target
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def __getattr__(self, name):
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func = getattr(self._target, name)
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@functools.wraps(func)
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def wrapper(*args, **kwargs):
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try:
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return func(*args, **kwargs)
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except rpc_common.ClientException as e:
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raise (e._exc_info[1], None, e._exc_info[2])
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return wrapper
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