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Changelog

0.4.3 (December, 2016)

Release 0.4.3 is a minor release and contains bug fixes and several new features:

  • Support dynamic model addition via Machine.add_model (thanks to @paulbovbel)
  • Allow user to explicitly pass a lock instance or context manager to LockedMachine (thanks to @paulbovbel)
  • Fixed issue related to parsing of HSMs (thanks to @steval and @user2154065 from SO)
  • When State is passed to Machine.add_transition, it will check if the state (and not just the name) is known to the machine

0.4.2 (October, 2016)

Release 0.4.2 contains several new features and bugfixes:

  • Machines can work with multiple models now (thanks to @gemerden)
  • New initial keyword for nested states to automatically enter a child
  • New Machine.trigger method to trigger events by name (thanks to @IwanLD)
  • Bug fixes related to remapping in nested (thanks to @imbaczek)
  • Log messages in Transition.execute and Machine.__init__ have been reassigned to DEBUG log level (thanks to @ankostis)
  • New Machine.get_triggers method to return all valid transitions from (a) certain state(s) (thanks to @limdauto and @guilhermecgs)

0.4.1 (July, 2016)

Release 0.4.1 is a minor release containing bug fixes, minor API changes, and community feedback:

  • async is renamed to queued since it describes the mechanism better

  • HierarchicalStateMachine.is_state now provides allow_substates as an optional argument(thanks to @jonathanunderwood)

  • Machine can now be used in scenarios where multiple inheritance is required (thanks to @jonathanunderwood)

  • Adds support for tox (thanks to @medecau and @aisbaa)

  • Bug fixes:

    • Problems with conditions shown multiple times in graphs
    • Bug which omitted transitions with same source and destination in diagrams (thanks to @aisbaa)
    • Conditions passed incorrectly when HSMs are used as a nested state
    • Class nesting issue that prevented pickling with dill
    • Two bugs in HierarchicalStateMachine (thanks to @ajax2leet)
    • Avoided recursion error when naming a transition 'process' (thanks to @dceresuela)

  • Minor PEP8 fixes (thanks to @medecau)

0.4.0 (April, 2016)

Release 0.4 is a major release that includes several new features:

  • New async Machine keyword allows queueing of transitions (thanks to @khigia)
  • New name Machine keyword customizes transitions logger output for easier debugging of multiple running instances
  • New prepare Transition keyword for callbacks before any 'conditions' are checked (thanks to @TheMysteriousX)
  • New show_conditions GraphSupport keyword adds condition checks to dot graph edges (thanks to @khigia)
  • Nesting now supports custom (unicode) substate separators
  • Nesting no longer requires a leaf state (e.g. to_C() does not enter C_1 automatically)
  • Factory for convenient extension mixins
  • Numerous minor improvements and bug fixes

0.3.1 (January 3, 2016)

Mostly a bug fix release. Changes include:

  • Fixes graphing bug introduced in 0.3.0 (thanks to @wtgee)
  • Fixes bug in dynamic addition of before/after callbacks (though this is a currently undocumented feature)
  • Adds coveralls support and badge
  • Adds a few tests to achieve near-100% coverage

0.3.0 (January 2, 2016)

Release 0.3 includes a number of new features (nesting, multithreading, and graphing) as well as bug fixes and minor improvements:

  • Support for nested states (thanks to @aleneum)
  • Basic multithreading support for function access (thanks to @aleneum)
  • Basic graphing support via graphviz (thanks to @svdgraaf)
  • Stylistic edits, minor fixes, and improvements to README
  • Expanded and refactored tests
  • Minor bug fixes

0.2.9 (November 10, 2015)

  • Enabled pickling in Python 3.4 (and in < 3.4 with the dill module)
  • Added reference to generating Transition in EventData objects
  • Fixed minor bugs

0.2.8 (August, 6, 2015)

  • README improvements, added TOC, and typo fixes
  • Condition checks now receive optional data
  • Removed invasive basicConfig() call introduced with logging in 0.2.6

0.2.7 (July 27, 2015)

  • Fixed import bug that prevented dependency installation at setup

0.2.6 (July 26, 2015)

  • Added rudimentary logging for key transition and state change events
  • Added generic before/after callbacks that apply to all state changes
  • Ensured string type compatibility across Python 2 and 3

0.2.5 (May 4, 2015)

  • Added ability to suppress invalid trigger calls
  • Shorthand definition of transitions via lists

0.2.4 (March 11, 2015)

  • Automatic detection of predefined state callbacks
  • Fixed bug in automatic transition creation
  • Added Changelog

0.2.3 (January 14, 2015)

  • Added travis-ci support
  • Cleaned up and PEP8fied code
  • Added 'unless' argument to transitions that mirrors 'conditions'

0.2.2 (December 28, 2014)

  • Python 2/3 compatibility
  • Added automatic to_{state}() methods
  • Added ability to easily add ordered transitions