# Copyright 2020,2021 Sony Corporation.
# Copyright 2021,2022,2023 Sony Group Corporation.
#
# 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
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from abc import ABCMeta, abstractmethod
from nnabla_rl.models.model import Model
[docs]class Perturbator(Model, metaclass=ABCMeta):
"""DeterministicPolicy Abstract class for perturbator.
Perturbator generates noise to append to current state's action
"""
def __init__(self, scope_name):
super(Perturbator, self).__init__(scope_name)
@abstractmethod
def generate_noise(self, s, a, phi):
raise NotImplementedError