Release Notes¶
1.1.0 (2019-03-19)¶
Breaking API
- [display] print_ascii_tree -> ascii_tree, #178.
- [display] generate_pydot_graph -> dot_graph, #178.
- [trees] tick_tock(sleep_ms, ..) -> tick_tock(period_ms, …), #182.
New Features
- [trees] add missing add_visitor method
- [trees] flexible setup() for children via kwargs
- [trees] convenience method for ascii tree debugging
- [display] highlight the tip in ascii tree snapshots
Bugfixes
- [trees] threaded timers for setup (avoids multiprocessing problems)
- [behaviour|composites] bugfix tip behaviour, add tests
- [display] correct first indent when non-zero in ascii_tree
- [display] apply same formatting to root as children in ascii_tree
1.0.7 (2019-xx-yy)¶
- [display] optional arguments for generate_pydot_graph
1.0.6 (2019-03-06)¶
- [decorators] fix missing root feedback message in ascii graphs
1.0.5 (2019-02-28)¶
- [decorators] fix timeout bug that doesn’t respect a child’s last tick
1.0.4 (2019-02-26)¶
- [display] drop spline curves, it’s buggy with graphviz 2.38
1.0.3 (2019-02-13)¶
- [visitors] winds of change visitor and logging demo
1.0.2 (2019-02-13)¶
- [console] fallbacks for unicode chars when (UTF-8) encoding cannot support them
1.0.1 (2018-02-12)¶
- [trees] don’t use multiprocess on setup if not using timeouts
1.0.0 (2019-01-18)¶
Breaking API
- [behaviour] setup() no longer returns a boolean, catch exceptions instead, #143.
- [behaviour] setup() no longer takes timeouts, responsibility moved to BehaviourTree, #148.
- [decorators] new-style decorators found in py_trees.decorators
- [decorators] new-style decorators stop their running child on completion (SUCCESS||FAILURE)
- [decorators] old-style decorators in py_trees.meta deprecated
New Features
- [blackboard] added a method for clearing the entire blackboard (useful for tests)
- [composites] raise TypeError when children’s setup methods don’t return a bool (common mistake)
- [composites] new parallel policies, SuccessOnAll, SuccessOnSelected
- [decorators] oneshot policies for activating on completion or successful completion only
- [meta] behaviours from functions can now automagically generate names
0.8.x (2018-10-18)¶
Breaking API
- Lower level namespace types no longer exist (PR117), e.g.
py_trees.Status
->py_trees.common.Status
- Python2 support dropped
New Features
- [idioms] ‘Pick Up Where You Left Off’
- [idioms] ‘OneShot’
0.8.0 (2018-10-18)¶
- [infra] shortcuts to types in __init__.py removed (PR117)
- [bugfix] python3 rosdeps
- [idioms] pick_up_where_you_left_off added
0.7.5 (2018-10-10)¶
- [idioms] oneshot added
- [bugfix] properly set/reset parents when replacing/removing children in composites
0.7.0 (2018-09-27)¶
- [announce] python3 only support from this point forward
- [announce] now compatible for ros2 projects
0.6.5 (2018-09-19)¶
- [bugfix] pick up missing feedback messages in inverters
- [bugfix] eliminate costly/spammy blackboard variable check feedback message
0.6.4 (2018-09-19)¶
- [bugfix] replace awkward newlines with spaces in ascii trees
0.6.3 (2018-09-04)¶
- [bugfix] don’t send the parellel’s status to running children, invalidate them instead
0.6.2 (2018-08-31)¶
- [bugfix] oneshot now reacts to priority interrupts correctly
0.6.1 (2018-08-20)¶
- [bugfix] oneshot no longer permanently modifies the original class
0.6.0 (2018-05-15)¶
- [infra] python 2/3 compatibility
0.5.10 (2017-06-17)¶
- [meta] add children monkeypatching for composite imposters
- [blackboard] check for nested variables in WaitForBlackboard
0.5.9 (2017-03-25)¶
- [docs] bugfix image links and rewrite the motivation
0.5.8 (2017-03-19)¶
- [infra] setup.py tests_require, not test_require
0.5.7 (2017-03-01)¶
- [infra] update maintainer email
0.5.5 (2017-03-01)¶
- [docs] many minor doc updates
- [meta] bugfix so that imposter now ticks over composite children
- [trees] method for getting the tip of the tree
- [programs] py-trees-render program added
0.5.4 (2017-02-22)¶
- [infra] handle pypi/catkin conflicts with install_requires
0.5.2 (2017-02-22)¶
- [docs] disable colour when building
- [docs] sidebar headings
- [docs] dont require project installation
0.5.1 (2017-02-21)¶
- [infra] pypi package enabled
0.5.0 (2017-02-21)¶
- [ros] components moved to py_trees_ros
- [timeout] bugfix to ensure timeout decorator initialises properly
- [docs] rolled over with napolean style
- [docs] sphinx documentation updated
- [imposter] make sure tip() drills down into composites
- [demos] re-organised into modules
0.4.0 (2017-01-13)¶
- [trees] add pre/post handlers after setup, just in case setup fails
- [introspection] do parent lookups so you can crawl back up a tree
- [blackboard] permit init of subscriber2blackboard behaviours
- [blackboard] watchers
- [timers] better feedback messages
- [imposter] ensure stop() directly calls the composited behaviour
0.3.0 (2016-08-25)¶
failure_is_running decorator
(meta).
0.2.0 (2016-06-01)¶
- do terminate properly amongst relevant classes
- blackboxes
- chooser variant of selectors
- bugfix the decorators
- blackboard updates on change only
- improved dot graph creation
- many bugfixes to composites
- subscriber behaviours
- timer behaviours
0.1.2 (2015-11-16)¶
- one shot sequences
- abort() renamed more appropriately to stop()
0.1.1 (2015-10-10)¶
- lots of bugfixing stabilising py_trees for the spain field test
- complement decorator for behaviours
- dot tree views
- ascii tree and tick views
- use generators and visitors to more efficiently walk/introspect trees
- a first implementation of behaviour trees in python