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2026-07-13 13:17:40 +08:00

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1.2 KiB
Python

from typing import Any
import tree # pip install dm_tree
from ray.rllib.connectors.connector import (
ActionConnector,
ConnectorContext,
)
from ray.rllib.connectors.registry import register_connector
from ray.rllib.utils.annotations import OldAPIStack
from ray.rllib.utils.numpy import make_action_immutable
from ray.rllib.utils.typing import ActionConnectorDataType
@OldAPIStack
class ImmutableActionsConnector(ActionConnector):
def transform(self, ac_data: ActionConnectorDataType) -> ActionConnectorDataType:
assert isinstance(
ac_data.output, tuple
), "Action connector requires PolicyOutputType data."
actions, states, fetches = ac_data.output
tree.traverse(make_action_immutable, actions, top_down=False)
return ActionConnectorDataType(
ac_data.env_id,
ac_data.agent_id,
ac_data.input_dict,
(actions, states, fetches),
)
def to_state(self):
return ImmutableActionsConnector.__name__, None
@staticmethod
def from_state(ctx: ConnectorContext, params: Any):
return ImmutableActionsConnector(ctx)
register_connector(ImmutableActionsConnector.__name__, ImmutableActionsConnector)