OpenSCENARIO DSL

General

This tool supports a subset of the OpenSCENARIO DSL standard.

The official documentation is available here.

The standard library of OSC2 was adapted to be usable by the current parsing support of scenario execution.

Mapping to py-trees

OpenScenario2	py-trees	Comment
action	Behaviour	Actions are derived from scenario_execution.actions.base_action.BaseAction which is derived from py_trees.behaviour.Behaviour
event	blackboard entry and Behaviour	Behaviour is used to read and write blackboard variable
modifier	Decorator
var	blackboard entry	Variables are stored within the blackboard

Supported features

In the following the OpenSCENARIO DSL keywords are listed with their current support status.

Element Tag	Support	Notes
action	✅	partially, see details below
actor	✅	partially, see details below
as	❌
bool	✅
call	❌
cover	❌
def	✅	only external
default	❌
do	✅
elapsed	✅
emit	✅
enum	✅
event	✅
every	❌
expression	✅
extend	❌
external	❌
fall	❌
float	✅
global	✅
hard	❌
if	❌
import	✅
inherits	✅
int	✅
is	❌
it	✅
keep	✅
list	✅
of	✅
on	❌
one_of	✅
only	❌
parallel	✅
range	❌
record	❌
remove_default	❌
rise	❌
scenario	✅
serial	✅
SI	✅
string	✅
struct	✅
type	✅
uint	✅
undefined	❌
unit	✅
until	❌
var	✅
wait	✅
with	✅

Composition Types

Composition types are struct, actor, action, scenario.

Element Type	Support	Notes
Event	✅
Field	✅
Constraint	✅	partially
Method	✅
Coverage	❌
Modifier	✅	partially (only predefined)