sinergym.utils.wrappers.PreviousObservationWrapper
- class sinergym.utils.wrappers.PreviousObservationWrapper(env: Env, previous_variables: List[str])
Wrapper to add observation values from previous timestep to current environment observation
- __init__(env: Env, previous_variables: List[str])
Constructor for the observation wrapper.
Methods
__init__
(env, previous_variables)Constructor for the observation wrapper.
class_name
()Returns the class name of the wrapper.
close
()Closes the wrapper and
env
.get_wrapper_attr
(name)Gets an attribute from the wrapper and lower environments if name doesn't exist in this object.
observation
(obs)Add previous observation to the current one
render
()Uses the
render()
of theenv
that can be overwritten to change the returned data.reset
(*[, seed, options])Modifies the
env
after callingreset()
, returning a modified observation usingself.observation()
.step
(action)Modifies the
env
after callingstep()
usingself.observation()
on the returned observations.wrapper_spec
(**kwargs)Generates a WrapperSpec for the wrappers.
Attributes
action_space
Return the
Env
action_space
unless overwritten then the wrapperaction_space
is used.metadata
Returns the
Env
metadata
.np_random
Returns the
Env
np_random
attribute.observation_space
Return the
Env
observation_space
unless overwritten then the wrapperobservation_space
is used.render_mode
Returns the
Env
render_mode
.reward_range
Return the
Env
reward_range
unless overwritten then the wrapperreward_range
is used.spec
Returns the
Env
spec
attribute with the WrapperSpec if the wrapper inherits from EzPickle.unwrapped
Returns the base environment of the wrapper.
- logger = <Logger WRAPPER PreviousObservationWrapper (INFO)>
- observation(obs: ndarray) ndarray
Add previous observation to the current one
- Parameters:
obs (np.ndarray) – Original observation.
- Returns:
observation with
- Return type:
np.ndarray