trove/rsdns/client/exceptions.py
Sudarshan Acharya 0c34c75dc4 DNS Support for Instance IP.
Can be turned off using a flag.
Provides a Rackspace DNS driver.
Provides an interface to write drivers for other DNS engines.
2012-05-25 09:13:57 -05:00

54 lines
1.7 KiB
Python

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