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| # SPDX-FileCopyrightText: Copyright (c) 2021 NVIDIA CORPORATION & AFFILIATES. All rights reserved. | |
| # SPDX-License-Identifier: BSD-3-Clause | |
| # | |
| # Redistribution and use in source and binary forms, with or without | |
| # modification, are permitted provided that the following conditions are met: | |
| # | |
| # 1. Redistributions of source code must retain the above copyright notice, this | |
| # list of conditions and the following disclaimer. | |
| # | |
| # 2. Redistributions in binary form must reproduce the above copyright notice, | |
| # this list of conditions and the following disclaimer in the documentation | |
| # and/or other materials provided with the distribution. | |
| # | |
| # 3. Neither the name of the copyright holder nor the names of its | |
| # contributors may be used to endorse or promote products derived from | |
| # this software without specific prior written permission. | |
| # | |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | |
| # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
| # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| # | |
| # Copyright (c) 2021 ETH Zurich, Nikita Rudin | |
| import numpy as np | |
| import os | |
| from datetime import datetime | |
| import isaacgym | |
| from legged_gym.envs import * | |
| from legged_gym.utils import get_args, task_registry | |
| import torch | |
| import wandb | |
| def train(args): | |
| wandb.init(project=args.wandb, name=args.run_name, entity=args.entity) | |
| # # NOTE: wandb save files, need to change after using other envs | |
| # wandb.save(LEGGED_GYM_ENVS_DIR + "/h1/h1_config.py", policy="now") | |
| # wandb.save(LEGGED_GYM_ENVS_DIR + "/h1/h1.py", policy="now") | |
| # wandb.save(LEGGED_GYM_ROOT_DIR + "../rsl_rl/modules/actor_critic.py", policy="now") | |
| # wandb.save(LEGGED_GYM_ROOT_DIR + "../rsl_rl/algorithms/ppo.py", policy="now") | |
| # wandb.save(LEGGED_GYM_ROOT_DIR + "../rsl_rl/runners/on_policy_runner.py", policy="now") | |
| env, env_cfg = task_registry.make_env(name=args.task, args=args) | |
| ppo_runner, train_cfg = task_registry.make_alg_runner(env=env, name=args.task, args=args) | |
| if args.resume and args.resume_stop_at_max: | |
| num_learning_iterations = max(train_cfg.runner.max_iterations - ppo_runner.current_learning_iteration, 0) | |
| else: | |
| num_learning_iterations = train_cfg.runner.max_iterations | |
| ppo_runner.learn(num_learning_iterations=num_learning_iterations, init_at_random_ep_len=True) | |
| if __name__ == '__main__': | |
| args = get_args() | |
| train(args) | |
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