2015-10-08 20:15:29 +02:00
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# Copyright (c) 2012-2013 Mitch Garnaat http://garnaat.org/
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2016-10-11 02:22:54 +02:00
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# Copyright 2012-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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2015-10-08 20:15:29 +02:00
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#
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2015-10-08 20:15:31 +02:00
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# Licensed under the Apache License, Version 2.0 (the "License"). You
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# may not use this file except in compliance with the License. A copy of
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# the License is located at
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2015-10-08 20:15:29 +02:00
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#
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2015-10-08 20:15:31 +02:00
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# http://aws.amazon.com/apache2.0/
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2015-10-08 20:15:29 +02:00
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#
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2015-10-08 20:15:31 +02:00
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# or in the "license" file accompanying this file. This file is
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# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
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# ANY KIND, either express or implied. See the License for the specific
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# language governing permissions and limitations under the License.
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2015-10-08 20:15:54 +02:00
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from botocore.utils import merge_dicts
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2015-10-08 20:16:07 +02:00
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def build_retry_config(endpoint_prefix, retry_model, definitions):
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service_config = retry_model.get(endpoint_prefix, {})
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resolve_references(service_config, definitions)
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# We want to merge the global defaults with the service specific
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# defaults, with the service specific defaults taking precedence.
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# So we use the global defaults as the base.
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final_retry_config = {'__default__': retry_model.get('__default__', {})}
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resolve_references(final_retry_config, definitions)
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# The merge the service specific config on top.
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merge_dicts(final_retry_config, service_config)
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2015-10-08 20:16:07 +02:00
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return final_retry_config
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def resolve_references(config, definitions):
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"""Recursively replace $ref keys.
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To cut down on duplication, common definitions can be declared
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(and passed in via the ``definitions`` attribute) and then
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references as {"$ref": "name"}, when this happens the reference
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dict is placed with the value from the ``definition`` dict.
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This is recursively done.
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"""
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for key, value in config.items():
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if isinstance(value, dict):
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if len(value) == 1 and list(value.keys())[0] == '$ref':
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# Then we need to resolve this reference.
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config[key] = definitions[list(value.values())[0]]
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else:
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resolve_references(value, definitions)
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