3 Dã\Vã@s8dZddlZddlmZddlmZGdd„deƒZdS)a¼ Copyright 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. éN)ÚCloudFormationLintRule)Ú RuleMatchc@s0eZdZdZdZdZdZdZddgZdd „Z d S) ÚRefzCheck if Ref value is a stringZE1020zRef validation of valuezGMaking the Ref has a value of String (no other functions are supported)zdhttps://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/intrinsic-function-reference-ref.htmlZ functionsÚrefc Csjg}|jdƒ}xV|D]N}|d}t|tjƒsd}|jt|dd…|jdjtt |dd…ƒƒƒƒƒqW|S) zCheck CloudFormation Refréz Ref can only be a string for {0}Nú/éÿÿÿÿrr) Zsearch_deep_keysÚ isinstanceÚsixÚ string_typesÚappendrÚformatÚjoinÚmapÚstr)ÚselfZcfnÚmatchesZref_objsZref_objÚvalueÚmessage©rúu/private/var/folders/pf/wv4htv3x0qs2c2mp0dnn0kchsvlck3/T/pip-install-emcbgzcf/cfn-lint/cfnlint/rules/functions/Ref.pyÚmatchs   6z Ref.matchN) Ú__name__Ú __module__Ú __qualname__Ú__doc__ÚidZ shortdescÚ descriptionZ source_urlÚtagsrrrrrrsr)rr ZcfnlintrrrrrrrÚs