py_trees.demos.eternal_guard module

A py_trees demo.

py_trees.demos.eternal_guard.command_line_argument_parser() → ArgumentParser

Process command line arguments.

Returns:

the argument parser

py_trees.demos.eternal_guard.create_root() → Behaviour

Create the root behaviour and it’s subtree.

Returns:

the root behaviour

py_trees.demos.eternal_guard.description(root: Behaviour) → str

Print description and usage information about the program.

Returns:

the program description string

py_trees.demos.eternal_guard.epilog() → str | None

Print a noodly epilog for –help.

Returns:

the noodly message

py_trees.demos.eternal_guard.main() → None

Entry point for the demo script.

py_trees.demos.eternal_guard.post_tick_handler(snapshot_visitor: SnapshotVisitor, behaviour_tree: BehaviourTree) → None

Print data about the part of the tree visited.

Args:

snapshot_handler: gather data about the part of the tree visited behaviour_tree: tree to gather data from

py_trees.demos.eternal_guard.pre_tick_handler(behaviour_tree: BehaviourTree) → None

Print a banner with current tick count prior to ticking the tree.

Args:

behaviour_tree: the tree to tick (used to fetch the count number)