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swh/storage/objstorage/multiplexer/filter/filter.py
- This file was added.
| # Copyright (C) 2015-2016 The Software Heritage developers | |||||
| # See the AUTHORS file at the top-level directory of this distribution | |||||
| # License: GNU General Public License version 3, or any later version | |||||
| # See top-level LICENSE file for more information | |||||
| from ...objstorage import ObjStorage | |||||
| class ObjStorageFilter(ObjStorage): | |||||
| """ Base implementation of a filter that allow inputs on ObjStorage or not | |||||
| This class copy the API of ...objstorage in order to filter the inputs | |||||
| of this class. | |||||
| If the operation is allowed, return the result of this operation | |||||
| applied to the destination implementation. Otherwise, just return | |||||
| without any operation. | |||||
| This class is an abstract base class for a classic read/write storage. | |||||
| Filters can inherit from it and only redefine some methods in order | |||||
| to change behavior. | |||||
| """ | |||||
| def __init__(self, storage): | |||||
| self.storage = storage | |||||
| def __contains__(self, *args, **kwargs): | |||||
| return self.storage.__contains__(*args, **kwargs) | |||||
| def __iter__(self): | |||||
| return self.storage.__iter__() | |||||
| def __len__(self): | |||||
| return self.storage.__len__() | |||||
| def add(self, *args, **kwargs): | |||||
| return self.storage.add(*args, **kwargs) | |||||
| def restore(self, *args, **kwargs): | |||||
| return self.storage.restore(*args, **kwargs) | |||||
| def get(self, *args, **kwargs): | |||||
| return self.storage.get(*args, **kwargs) | |||||
| def check(self, *args, **kwargs): | |||||
| return self.storage.check(*args, **kwargs) | |||||
| def get_random(self, *args, **kwargs): | |||||
| return self.storage.get_random(*args, **kwargs) | |||||