58 lines
1.8 KiB
Python
58 lines
1.8 KiB
Python
# 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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import sys
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from tuskarclient.openstack.common.apiclient import exceptions as exc
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class BaseException(Exception):
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"""An error occurred."""
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def __init__(self, message=None):
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self.message = message
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def __str__(self):
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return self.message or self.__class__.__doc__
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class InvalidEndpoint(BaseException):
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"""The provided endpoint is invalid."""
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class CommunicationError(BaseException):
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"""Unable to communicate with server."""
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class HTTPMultipleChoices(exc.HttpError):
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code = 300
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def __str__(self):
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self.details = ("Requested version of OpenStack Images API is not"
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"available.")
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return "%s (HTTP %s) %s" % (self.__class__.__name__, self.code,
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self.details)
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# NOTE(bcwaldon): Build a mapping of HTTP codes to corresponding exception
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# classes
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_code_map = {}
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for obj_name in dir(sys.modules[__name__]):
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if obj_name.startswith('HTTP'):
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obj = getattr(sys.modules[__name__], obj_name)
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_code_map[obj.code] = obj
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def from_response(response):
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"""Return an instance of an exc.HttpError based on httplib response."""
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cls = _code_map.get(response.status, exc.HttpError)
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return cls()
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