39 lines
1.4 KiB
Python
39 lines
1.4 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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"""Extend functionality from webob.dec.wsgify for Placement API."""
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import webob
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from oslo_log import log as logging
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from webob.dec import wsgify
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from placement import util
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LOG = logging.getLogger(__name__)
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class PlacementWsgify(wsgify):
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def call_func(self, req, *args, **kwargs):
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"""Add json_error_formatter to any webob HTTPExceptions."""
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try:
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super(PlacementWsgify, self).call_func(req, *args, **kwargs)
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except webob.exc.HTTPException as exc:
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LOG.debug("Placement API returning an error response: %s", exc)
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exc.json_formatter = util.json_error_formatter
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# The exception itself is not passed to json_error_formatter
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# but environ is, so set the environ.
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if exc.comment:
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req.environ[util.ENV_ERROR_CODE] = exc.comment
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exc.comment = None
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raise
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