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Changelog

0.9.1 (unreleased)

0.9.0 (2024-09-12)

  • Add Tree.build_random_tree() (experimental).
  • Add GenericNodeData as wrapper for dict data.
  • Fixed #7 Tree.from_dict failing to recreate an arbitrary object tree with a mapper.

0.8.0 (2024-03-29)

  • BREAKING: Drop Python 3.7 support (EoL 2023-06-27).
  • Tree.save() accepts a compression argument that will enable compression. Tree.load() can detect if the input file has a compression header and will decompress transparently.
  • New traversal methods LEVEL_ORDER, LEVEL_ORDER_RTL, ZIGZAG, ZIGZAG_RTL.
  • New compact connector styles 'lines32c', 'round43c', ...
  • Save as mermaid flow diagram.

0.7.1 (2023-11-08)

  • Support compact serialization forrmat using key_map and value_map.
  • Better support for working with derived classes (overload methods instead of callbacks).
  • Fix invalid UniqueConstraint error message when loading a TypedTree.
  • Add optional tree.print(..., file=IO) argument.
  • Rename default_connector_style to DEFAULT_CONNECTOR_STYLE

0.6.0 (2023-11-01)

  • Implement Tree(..., shadow_attrs=True).
  • tree.load(PATH) / tree.save(PATH) use UTF-8 encoding.
  • Add Tree.system_root as alias for Tree._root.
  • Add Tree.get_toplevel_nodes() as alias for tree.children.
  • Support and test with Py3.12: don't forget to update pip, pipenv, and tox.
  • Deprecate Python 3.7 support (EoL 2023-06-27).

0.5.1 (2023-05-29)

  • BREAKING: renamed tree.to_dict() to tree.to_dict_list().
  • BREAKING: changed tree.load() / tree.save() storage format.
  • tree.load() / tree.save() accept path in addition to file objects.

0.5.0 (2023-05-28)

  • BREAKING: changed tree.load() / tree.save() signature, and storage format.
  • Support load/save for TypedTree

0.4.0 (2023-02-22)

  • BREAKING: Rename node.move() -> node.move_to()
  • New tree.copy_to() and node.copy_to()
  • New tree.children property
  • Configurable default connector style

0.3.0 (2022-08-01 and before)

Initial releases.