42 lines
1.5 KiB
Python
42 lines
1.5 KiB
Python
# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import falcon
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from deckhand.control import base as api_base
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from deckhand.db.sqlalchemy import api as db_api
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from deckhand import errors
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from deckhand import policy
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class RevisionDiffingResource(api_base.BaseResource):
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"""API resource for realizing revision diffing."""
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@policy.authorize('deckhand:show_revision_diff')
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def on_get(self, req, resp, revision_id, comparison_revision_id):
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if revision_id == '0':
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revision_id = 0
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if comparison_revision_id == '0':
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comparison_revision_id = 0
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try:
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resp_body = db_api.revision_diff(
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revision_id, comparison_revision_id)
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except (errors.RevisionNotFound) as e:
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raise falcon.HTTPNotFound(description=e.format_message())
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resp.status = falcon.HTTP_200
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resp.append_header('Content-Type', 'application/x-yaml')
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resp.body = self.to_yaml_body(resp_body)
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