ray/rllib/connectors/action/clip.py

40 lines
1.3 KiB
Python

from typing import Any, List
from ray.rllib.connectors.connector import (
ActionConnector,
ConnectorContext,
register_connector,
)
from ray.rllib.utils.spaces.space_utils import clip_action, get_base_struct_from_space
from ray.rllib.utils.typing import ActionConnectorDataType
from ray.util.annotations import PublicAPI
@PublicAPI(stability="alpha")
class ClipActionsConnector(ActionConnector):
def __init__(self, ctx: ConnectorContext):
super().__init__(ctx)
self._action_space_struct = get_base_struct_from_space(ctx.action_space)
def transform(self, ac_data: ActionConnectorDataType) -> ActionConnectorDataType:
assert isinstance(
ac_data.output, tuple
), "Action connector requires PolicyOutputType data."
actions, states, fetches = ac_data.output
return ActionConnectorDataType(
ac_data.env_id,
ac_data.agent_id,
(clip_action(actions, self._action_space_struct), states, fetches),
)
def to_config(self):
return ClipActionsConnector.__name__, None
@staticmethod
def from_config(ctx: ConnectorContext, params: List[Any]):
return ClipActionsConnector(ctx)
register_connector(ClipActionsConnector.__name__, ClipActionsConnector)