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# Copyright 2016 OpenMarket Ltd
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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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from sets import Set
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class AccessKeyStore(object):
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"""Storage for arbitrary data. Monitors get calls so we know if they
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were used or not."""
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def __init__(self, existing_data=None):
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if not existing_data:
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existing_data = {}
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self.data = existing_data
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self.accessed_set = Set()
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def keys(self):
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return self.data.keys()
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def add(self, key, unit_dict):
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self.data[key] = unit_dict
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def get(self, key):
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self.accessed_set.add(key)
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return self.data[key]
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def get_unaccessed_set(self):
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data_list = Set(self.data.keys())
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return data_list - self.accessed_set
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