59 lines
1.7 KiB
Python
59 lines
1.7 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright [2010] [Anso Labs, LLC]
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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 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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"""
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Nova base exception handling, including decorator for re-raising
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Nova-type exceptions. SHOULD include dedicated exception logging.
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"""
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import logging
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import traceback
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import sys
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class Error(Exception):
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def __init__(self, message=None):
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super(Error, self).__init__(message)
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class ApiError(Error):
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def __init__(self, message='Unknown', code='Unknown'):
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self.message = message
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self.code = code
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super(ApiError, self).__init__('%s: %s'% (code, message))
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class NotFound(Error):
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pass
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class Duplicate(Error):
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pass
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class NotAuthorized(Error):
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pass
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def wrap_exception(f):
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def _wrap(*args, **kw):
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try:
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return f(*args, **kw)
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except Exception, e:
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if not isinstance(e, Error):
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# exc_type, exc_value, exc_traceback = sys.exc_info()
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logging.exception('Uncaught exception')
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# logging.debug(traceback.extract_stack(exc_traceback))
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raise Error(str(e))
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raise
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_wrap.func_name = f.func_name
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return _wrap
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