# Copyright (c) 2023, NVIDIA CORPORATION. All rights reserved.
#
# 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
#
# http://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 abc import ABC, abstractmethod
from typing import Any, List
from nvflare.apis.dxo import from_shareable
from nvflare.apis.fl_context import FLContext
from nvflare.apis.shareable import Shareable
[docs]class ParamsConverter(ABC):
def __init__(self, supported_tasks: List[str] = None):
self.supported_tasks = supported_tasks
[docs] def process(self, task_name: str, shareable: Shareable, fl_ctx: FLContext) -> Shareable:
if not self.supported_tasks or task_name in self.supported_tasks:
dxo = from_shareable(shareable)
dxo.data = self.convert(dxo.data, fl_ctx)
dxo.update_shareable(shareable)
return shareable
[docs] @abstractmethod
def convert(self, params: Any, fl_ctx: FLContext) -> Any:
pass