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datastore.py
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datastore.py
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# SPDX-FileCopyrightText: Copyright (c) 2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from typing import Optional
class DataStore:
"""A basic data store interface."""
async def set(self, key: str, value: str):
"""Save data into the datastore.
Args:
key: The key to use.
value: The value associated with the key.
Returns:
None
"""
raise NotImplementedError()
async def get(self, key: str) -> Optional[str]:
"""Return the value for the specified key.
Args:
key: The key to lookup.
Returns:
None if the key does not exist.
"""
raise NotImplementedError()