51 lines
1.6 KiB
Python
51 lines
1.6 KiB
Python
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# Copyright 2011 OpenStack LLC
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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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from novaclient import exceptions
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class UnprocessableEntity(exceptions.ClientException):
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"""
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HTTP 422 - Unprocessable Entity: The request cannot be processed.
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"""
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http_status = 422
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message = "Unprocessable Entity"
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_code_map = dict((c.http_status, c) for c in [UnprocessableEntity])
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def from_response(response, body):
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"""
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Return an instance of an ClientException or subclass
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based on an httplib2 response.
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Usage::
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resp, body = http.request(...)
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if resp.status != 200:
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raise exception_from_response(resp, body)
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"""
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cls = _code_map.get(response.status, exceptions.ClientException)
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if body:
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message = "n/a"
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details = "n/a"
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if hasattr(body, 'keys'):
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error = body[body.keys()[0]]
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message = error.get('message', None)
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details = error.get('details', None)
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return cls(code=response.status, message=message, details=details)
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else:
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return cls(code=response.status)
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