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lit_sb3.wrappers.atari.noop_reset

source module lit_sb3.wrappers.atari.noop_reset

Classes

  • NoopResetEnv — Sample initial states by taking random number of no-ops on reset.

source class NoopResetEnv(env: gym.Env, noop_max: int = 30)

Bases : gym.Wrapper[np.ndarray, int, np.ndarray, int]

Sample initial states by taking random number of no-ops on reset.

No-op is assumed to be action 0.

Parameters

  • env : gym.Env — Environment to wrap

  • noop_max : int — Maximum value of no-ops to run

Attributes

  • metadata : dict[str, Any] — attr:Env :attr:metadata.

  • render_mode : str | None — attr:Env :attr:render_mode.

  • spec : EnvSpec | None — attr:Env :attr:spec attribute with the WrapperSpec if the wrapper inherits from EzPickle.

  • action_space : spaces.Space[ActType] | spaces.Space[WrapperActType] — attr:Env :attr:action_space unless overwritten then the wrapper :attr:action_space is used.

  • observation_space : spaces.Space[ObsType] | spaces.Space[WrapperObsType] — attr:Env :attr:observation_space unless overwritten then the wrapper :attr:observation_space is used.

  • unwrapped : Env[ObsType, ActType] — Returns the base environment of the wrapper.

  • np_random_seed : int | None — attr:np_random_seed.

  • np_random : np.random.Generator — attr:Env :attr:np_random attribute.

Methods

source method NoopResetEnv.reset(**kwargs) → AtariResetReturn