launch_frontend_py.entity module

Module for launch_frontend_py Entity class.

class launch_frontend_py.entity.Entity(*args: Any, **kwargs: Any)

Bases: Entity

Single item in the intermediate front_end representation.

assert_entity_completely_parsed()

property children: List[launch.frontend.entity.Entity]

Get the Entity’s children.

get_attr(name: str, *, data_type: launch.utilities.type_utils.AllowedTypesType = <class 'str'>, optional: bool = False, can_be_str: bool = True) → launch.utilities.type_utils.AllowedValueType | List[Entity] | None

Access an attribute of the entity.

See launch.frontend.Entity.get_attr(). Does not apply type coercion, only checks if the read value is of the correct type.

property parent: Entity | None

Get Entity parent.

property type_name: str

Get Entity type.

launch_frontend_py.entity.is_reserved_identifier(name: str) → bool

Check if a name is a reserved identifier in Python.

Used to avoid naming issues in the launch DSL that overlap with Python reserved words.

launch_frontend_py.entity.make_valid_name(name: str) → str

Make a valid Python identifier for an action or attribute name.

If the name is a reserved identifier in Python, append an underscore to it.