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import os
import torch
from tensorboardX import SummaryWriter
from ding.config import compile_config
from ding.worker import InteractionSerialEvaluator
from ding.envs import BaseEnvManager
from ding.policy import PPOPolicy
from ding.model import VAC
from ding.utils import set_pkg_seed
from dizoo.beergame.config.beergame_onppo_config import beergame_ppo_config, beergame_ppo_create_config
from ding.envs import get_vec_env_setting
from functools import partial
def main(cfg, seed=0):
env_fn = None
cfg, create_cfg = beergame_ppo_config, beergame_ppo_create_config
cfg = compile_config(cfg, seed=seed, env=env_fn, auto=True, create_cfg=create_cfg, save_cfg=True)
collector_env_num, evaluator_env_num = cfg.env.collector_env_num, cfg.env.evaluator_env_num
env_fn, collector_env_cfg, evaluator_env_cfg = get_vec_env_setting(cfg.env)
cfg.env.manager.auto_reset = False
evaluator_env = BaseEnvManager(env_fn=[partial(env_fn, cfg=c) for c in evaluator_env_cfg], cfg=cfg.env.manager)
evaluator_env.seed(seed, dynamic_seed=False)
set_pkg_seed(seed, use_cuda=cfg.policy.cuda)
model = VAC(**cfg.policy.model)
tb_logger = SummaryWriter(os.path.join('./{}/log/'.format(cfg.exp_name), 'serial'))
policy = PPOPolicy(cfg.policy, model=model)
# set the path to save figure
cfg.policy.eval.evaluator.figure_path = './'
evaluator = InteractionSerialEvaluator(
cfg.policy.eval.evaluator, evaluator_env, policy.eval_mode, tb_logger, exp_name=cfg.exp_name
)
# load model
model.load_state_dict(torch.load('model path', map_location='cpu')["model"])
evaluator.eval(None, -1, -1)
if __name__ == "__main__":
beergame_ppo_config.exp_name = 'beergame_evaluate'
main(beergame_ppo_config) |