multiprocessing_env.py 文件源码

def __init__(self, env_id):
        self.worker_n = None

        # Pull the relevant info from a transient env instance
        self.spec = gym.spec(env_id)
        env = self.spec.make()

        current_metadata = self.metadata
        self.metadata = env.metadata.copy()
        self.metadata.update(current_metadata)

        self.action_space = env.action_space
        self.observation_space = env.observation_space
        self.reward_range = env.reward_range