smarts.core.external_provider module
- class smarts.core.external_provider.ExternalProvider(sim)[source]
A provider that is intended to be used for external intervention in the simulation. Vehicles managed by this provider cannot be hijacked by social agents and may have privileged VehicleStates.
- property actions: Set[ActionSpaceType]
The action spaces of the provider.
- property actor_ids: Iterable[str]
A set of actors that this provider manages.
- Returns:
The actors this provider manages.
- Return type:
Iterable[str]
- property all_vehicle_states: List[VehicleState]
Get all current vehicle states.
- manages_actor(actor_id: str) bool[source]
Returns True if the actor referenced by actor_id is managed by this Provider.
- property recovery_flags: ProviderRecoveryFlags
Flags specifying what this provider should do if it fails. (May be overridden by child classes.)
- set_manager(manager: ProviderManager)[source]
Indicate the manager that this provider should inform of all actor hand-offs.
- setup(scenario: Scenario) ProviderState[source]
Initialize the provider with a scenario.
- state_update(vehicle_states: Sequence[VehicleState], step_delta: float)[source]
Update vehicle states. Use all_vehicle_states() to look at previous states.
- step(actions, dt: float, elapsed_sim_time: float) ProviderState[source]
Progress the provider to generate new actor state. :param actions: one or more valid actions from the supported action_spaces of this provider :param dt: time (in seconds) to simulate during this simulation step :type dt: float :param elapsed_sim_time: amount of time (in seconds) that’s elapsed so far in the simulation :type elapsed_sim_time: float
- Returns:
State representation of all actors this manages.
- Return type:
- sync(provider_state: ProviderState)[source]
Synchronize with state managed by other Providers.