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https://github.com/saymrwulf/stable-baselines3.git
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23afedb254
* Add auto formatting with black and isort * Reformat code * Ignore typing errors * Add note about line length * Add minimum version for isort * Add commit-checks * Update docker image * Fixed lost import (during last merge) * Fix opencv dependency
53 lines
1.8 KiB
Python
53 lines
1.8 KiB
Python
# flake8: noqa F401
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import typing
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from copy import deepcopy
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from typing import Optional, Union
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from stable_baselines3.common.vec_env.base_vec_env import (
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AlreadySteppingError,
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CloudpickleWrapper,
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NotSteppingError,
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VecEnv,
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VecEnvWrapper,
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)
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from stable_baselines3.common.vec_env.dummy_vec_env import DummyVecEnv
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from stable_baselines3.common.vec_env.subproc_vec_env import SubprocVecEnv
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from stable_baselines3.common.vec_env.vec_check_nan import VecCheckNan
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from stable_baselines3.common.vec_env.vec_frame_stack import VecFrameStack
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from stable_baselines3.common.vec_env.vec_normalize import VecNormalize
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from stable_baselines3.common.vec_env.vec_transpose import VecTransposeImage
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from stable_baselines3.common.vec_env.vec_video_recorder import VecVideoRecorder
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# Avoid circular import
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if typing.TYPE_CHECKING:
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from stable_baselines3.common.type_aliases import GymEnv
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def unwrap_vec_normalize(env: Union["GymEnv", VecEnv]) -> Optional[VecNormalize]:
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"""
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:param env: (gym.Env)
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:return: (VecNormalize)
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"""
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env_tmp = env
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while isinstance(env_tmp, VecEnvWrapper):
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if isinstance(env_tmp, VecNormalize):
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return env_tmp
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env_tmp = env_tmp.venv
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return None
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# Define here to avoid circular import
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def sync_envs_normalization(env: "GymEnv", eval_env: "GymEnv") -> None:
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"""
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Sync eval env and train env when using VecNormalize
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:param env: (GymEnv)
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:param eval_env: (GymEnv)
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"""
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env_tmp, eval_env_tmp = env, eval_env
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while isinstance(env_tmp, VecEnvWrapper):
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if isinstance(env_tmp, VecNormalize):
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eval_env_tmp.obs_rms = deepcopy(env_tmp.obs_rms)
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eval_env_tmp.ret_rms = deepcopy(env_tmp.ret_rms)
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env_tmp = env_tmp.venv
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eval_env_tmp = eval_env_tmp.venv
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