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OpenStack Study: exception.py**** CubicPower OpenStack Study ****
# vim: tabstop=4 shiftwidth=4 softtabstop=4 # Copyright 2011 OpenStack Foundation. # 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. """ Exceptions common to OpenStack projects """ import logging from keystone.openstack.common.gettextutils import _ # noqa _FATAL_EXCEPTION_FORMAT_ERRORS = False
**** CubicPower OpenStack Study **** class Error(Exception):
**** CubicPower OpenStack Study **** def __init__(self, message=None): super(Error, self).__init__(message)
**** CubicPower OpenStack Study **** class ApiError(Error):
**** CubicPower OpenStack Study **** def __init__(self, message='Unknown', code='Unknown'): self.api_message = message self.code = code super(ApiError, self).__init__('%s: %s' % (code, message))
**** CubicPower OpenStack Study **** class NotFound(Error): pass
**** CubicPower OpenStack Study **** class UnknownScheme(Error): msg_fmt = "Unknown scheme '%s' found in URI"
**** CubicPower OpenStack Study **** def __init__(self, scheme): msg = self.msg_fmt % scheme super(UnknownScheme, self).__init__(msg)
**** CubicPower OpenStack Study **** class BadStoreUri(Error): msg_fmt = "The Store URI %s was malformed. Reason: %s"
**** CubicPower OpenStack Study **** def __init__(self, uri, reason): msg = self.msg_fmt % (uri, reason) super(BadStoreUri, self).__init__(msg)
**** CubicPower OpenStack Study **** class Duplicate(Error): pass
**** CubicPower OpenStack Study **** class NotAuthorized(Error): pass
**** CubicPower OpenStack Study **** class NotEmpty(Error): pass
**** CubicPower OpenStack Study **** class Invalid(Error): pass
**** CubicPower OpenStack Study **** class BadInputError(Exception): """Error resulting from a client sending bad input to a server""" pass
**** CubicPower OpenStack Study **** class MissingArgumentError(Error): pass
**** CubicPower OpenStack Study **** class DatabaseMigrationError(Error): pass
**** CubicPower OpenStack Study **** class ClientConnectionError(Exception): """Error resulting from a client connecting to a server""" pass
**** CubicPower OpenStack Study **** def _wrap(*args, **kw): try: return f(*args, **kw) except Exception as e: if not isinstance(e, Error): logging.exception(_('Uncaught exception')) raise Error(str(e)) raise _wrap.func_name = f.func_name return _wrap
**** CubicPower OpenStack Study **** class OpenstackException(Exception): """Base Exception class. To correctly use this class, inherit from it and
**** CubicPower OpenStack Study **** def __init__(self, **kwargs): try: self._error_string = self.msg_fmt % kwargs except Exception: if _FATAL_EXCEPTION_FORMAT_ERRORS: raise else: # at least get the core message out if something happened self._error_string = self.msg_fmt
**** CubicPower OpenStack Study **** def __str__(self): return self._error_string
**** CubicPower OpenStack Study **** class MalformedRequestBody(OpenstackException): msg_fmt = "Malformed message body: %(reason)s"
**** CubicPower OpenStack Study **** class InvalidContentType(OpenstackException): msg_fmt = "Invalid content type %(content_type)s"
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