py_trees.demos.lifecycle module

A py_trees demo.

. argparse::

module:

py_trees.demos.lifecycle

func:

command_line_argument_parser

prog:

py-trees-demo-behaviour-lifecycle

class py_trees.demos.lifecycle.Counter(name: str = 'Counter')

Bases: Behaviour

Simple counting behaviour.

• Increments a counter from zero at each tick

• Finishes with success if the counter reaches three

• Resets the counter in the initialise() method.

initialise() → None

Reset a counter variable.

setup(**kwargs: int) → None

No delayed initialisation required for this example.

terminate(new_status: Status) → None

Nothing to clean up in this example.

update() → Status

Increment the counter and decide on a new status.

py_trees.demos.lifecycle.command_line_argument_parser() → ArgumentParser

Process command line arguments.

Returns:

the argument parser

py_trees.demos.lifecycle.description() → str

Print description and usage information about the program.

Returns:

the program description string

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

Print a noodly epilog for –help.

Returns:

the noodly message

py_trees.demos.lifecycle.main() → None

Entry point for the demo script.