140 lines
3.2 KiB
Python
140 lines
3.2 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 OpenStack Foundation.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Exceptions common to OpenStack projects
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"""
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import logging
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from muranorepository.openstack.common.gettextutils import _ # noqa
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_FATAL_EXCEPTION_FORMAT_ERRORS = False
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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.api_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 UnknownScheme(Error):
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msg_fmt = "Unknown scheme '%s' found in URI"
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def __init__(self, scheme):
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msg = self.msg_fmt % scheme
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super(UnknownScheme, self).__init__(msg)
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class BadStoreUri(Error):
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msg_fmt = "The Store URI %s was malformed. Reason: %s"
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def __init__(self, uri, reason):
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msg = self.msg_fmt % (uri, reason)
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super(BadStoreUri, self).__init__(msg)
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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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class NotEmpty(Error):
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pass
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class Invalid(Error):
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pass
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class BadInputError(Exception):
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"""Error resulting from a client sending bad input to a server"""
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pass
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class MissingArgumentError(Error):
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pass
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class DatabaseMigrationError(Error):
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pass
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class ClientConnectionError(Exception):
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"""Error resulting from a client connecting to a server"""
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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 as e:
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if not isinstance(e, Error):
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logging.exception(_('Uncaught exception'))
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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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class OpenstackException(Exception):
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"""Base Exception class.
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To correctly use this class, inherit from it and define
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a 'msg_fmt' property. That message will get printf'd
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with the keyword arguments provided to the constructor.
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"""
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msg_fmt = "An unknown exception occurred"
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def __init__(self, **kwargs):
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try:
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self._error_string = self.msg_fmt % kwargs
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except Exception:
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if _FATAL_EXCEPTION_FORMAT_ERRORS:
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raise
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else:
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# at least get the core message out if something happened
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self._error_string = self.msg_fmt
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def __str__(self):
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return self._error_string
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class MalformedRequestBody(OpenstackException):
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msg_fmt = "Malformed message body: %(reason)s"
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class InvalidContentType(OpenstackException):
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msg_fmt = "Invalid content type %(content_type)s"
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