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Changes

2.0.1 (unreleased)

  • Nothing changed yet.

2.0.0 (2026-02-03)

  • Refactor package layout to use pyproject.toml. [rnix]

1.2.3 (2025-10-25)

  • Pin upper versions of dependencies. [rnix]
  • Fix Node.treerepr if mapping raises an exception on __getitem__. [rnix]
  • Use pytest as test runner. [rnix]

1.2.2 (2024-05-30)

  • Make sure Unset class always returns the same instance in __new__. Fixes problems with pickle. [rnix]

1.2.1 (2023-04-16)

  • Replace deprecated import of Order with MappingOrder in node.base. [rnix]

1.2 (2022-12-05)

  • Do not overwrite uuid in node.behaviors.UUIDAware.__init__ if uuid already set. [rnix]
  • Rename node.interfaces.IOrder to node.interfaces.IMappingOrder and node.behaviors.Order to node.behaviors.MappingOrder. B/C is kept. [rnix]
  • Introduce node.behaviors.ISequenceOrder and node.interfaces.SequenceOrder. [rnix]
  • Introduce node.interfaces.INodeOrder. Used as base for node.interfaces.IMappingOrder and node.interfaces.ISequenceOrder. [rnix]
  • Add rich comparison functions __lt__, __le__, __gt__ and __ge__ to node.utils.Unset. [rnix]

Breaking changes:

  • Importing B/C Order behavior from node.behaviors.order not works any more. Please import from node.behaviors. [rnix]

1.1 (2022-10-06)

  • Add node.schema.DateTime, node.schema.DateTimeSerializer and node.schema.datetime_serializer. [rnix]
  • Subclass threading.local for node.behaviors.lifecycle._lifecycle_context, node.behaviors.events._attribute_subscribers and node.behaviors.schema._schema_property objects in order to safely provide default values. [rnix]
  • Introduce node.interfaces.IChildFilter, node.behaviors.MappingFilter and node.behaviors.SequenceFilter. [rnix]
  • Introduce node.interfaces.IWildcardFactory and node.behaviors.WildcardFactory. [rnix]
  • Introduce node.interfaces.INodeInit and node.behaviors.NodeInit. [rnix]
  • Deprecate IFixedChildren.fixed_children_factories Use IFixedChildren.factories instead. [rnix]
  • Introduce node.interfaces.IContentishNode and node.behaviors.ContentishNode. Use as base for mapping and sequence nodes. [rnix]
  • insertbefore, insertafter and swap in node.behaviors.Order alternatively accept node names as arguments where possible. [rnix]
  • insertbefore, insertafter, and insertfirst and insertlast in node.behaviors.Order internally use movebefore, moveafter, movefirst and movelast of odict to avoid modifying the data structure before __setitem__ gets called. [rnix]
  • Extend node.interfaces.IOrder respective node.behaviors.Order by movebefore, moveafter, movefirst and movelast. [rnix]
  • Reset __parent__ in node.behaviors.Node.detach. Node is no longer contained in tree. [rnix]
  • Introduce IndexViolationError which inherits from ValueError and raise it in reference related behaviors instead of ValueError where appropriate. [rnix]
  • Introduce node.interfaces.INodeReference and node.behaviors.NodeReference. [rnix]
  • Introduce node.interfaces.ISequenceReference and node.behaviors.SequenceReference. [rnix]
  • Rename node.interfaces.IReference to node.interfaces.IMappingReference and node.behaviors.Reference to node.behaviors.MappingReference. B/C is kept. [rnix]

Breaking changes:

  • Remove _notify_suppress flag from Lifecycle behavior. Introduce suppress_lifecycle_events contextmanager as substitute. [rnix]
  • Importing ChildFactory and FixedChildren from node.behaviors.common not works any more. Please import from node.behaviors. [rnix]
  • Importing B/C Reference behavior from node.behaviors.reference not works any more. Please import from node.behaviors. [rnix]

1.0 (2022-03-17)

  • Implement __copy__ and __deepcopy__ on node.utils.UNSET. [rnix]
  • Introduce node.interfaces.ISequenceConstraints and node.behaviors.SequenceConstraints. [rnix]
  • Rename node.interfaces.INodeChildValidate to node.interfaces.IMappingConstraints and node.behaviors.NodeChildValidate to node.behaviors.MappingConstraints. MappingConstraints implementation moved from node.behaviors.common to node.behaviors.constraints. B/C is kept. [rnix]
  • Introduce node.interfaces.ISequenceAdopt and node.behaviors.SequenceAdopt. [rnix]
  • MappingAdopt now catches all exceptions instead of only AttributeError, KeyError and ValueError. [rnix]
  • Rename node.interfaces.IAdopt to node.interfaces.IMappingAdopt and node.behaviors.Adopt to node.behaviors.MappingAdopt. MappingAdopt implementation moved from node.behaviors.common to node.behaviors.adopt. B/C is kept. [rnix]
  • node.behaviors.Attributes now also works if node.behaviors.Nodespaces is not applied. [rnix]
  • Introduce node.behaviors.Node which implements only node.interfaces.INode contract. It is used as base for node.behaviors.MappingNode and node.behaviors.SequcneNode. [rnix]
  • Do not inherit node.interfaces.INode from zope.interfaces.common.mapping.IFullMapping any more. Data model specific interfaces are added now via node.interfaces.IMappingNode and node.interfaces.ISequenceNode. [rnix]
  • Introduce sequence nodes. Sequence nodes are implemented via node.behaviors.SequcneNode and node.behaviors.ListStorage. [rnix]
  • Rename node.interfaces.INodify to node.interfaces.IMappingNode and node.behaviors.Nodify to node.behaviors.MappingNode. MappingNode implementation moved from node.behaviors.nodify to node.behaviors.mapping. B/C is kept. [rnix]
  • Rename node.interfaces.IStorage to node.interfaces.IMappingStorage and node.behaviors.Storage to node.behaviors.Storage. B/C is kept. [rnix]
  • Add key and value type validation to schema fields where appropriate. [rnix]
  • Introduce serializer support to schema fields. Add a couple of concrete field serializer implementations to node.schema.serializer. [rnix]
  • Add ODict and Node schema fields to node.schema.fields. [rnix]
  • Add node.schema.fields.IterableField and use as base class for List, Tuple and Set schema fields.
  • Introduce node.behaviors.schema.SchemaProperties plumbing behavior. [rnix]
  • Split up node.schema module into a package. [rnix]
  • Introduce node.behaviors.context.BoundContext plumbing behavior. [rnix]

Breaking changes:

  • Remove node.behaviors.GetattrChildren. See node.utils.AttributeAccess instead if you need to access node children via __getattr__. [rnix]
  • Importing B/C Adopt behavior from node.behaviors.common not works any more. Please import from node.behaviors. [rnix]
  • Importing B/C NodeChildValidate behavior from node.behaviors.common not works any more. Please import from node.behaviors. [rnix]
  • Importing B/C Nodify behavior from node.behaviors.nodify not works any more. Please import from node.behaviors. [rnix]
  • Remove deprecated B/C import location node.parts. [rnix]
  • node.behaviors.schema.Schema no longer considers wildcard fields. [rnix]
  • node.behaviors.schema.Schema.__setitem__ deletes value from related storage for field if value is node.utils.UNSET. [rnix]
  • node.behaviors.schema.Schema.__getitem__ always returns default value for field instead of raising KeyError if no default is set. [rnix]
  • Default value of node.schema.fields.Field.default is node.utils.UNSET now. [rnix]
  • node.schema.fields.Field.validate raises exception if validation fails instead of returning boolean. [rnix]

0.9.28 (2021-11-08)

  • Add missing node.interfaces.INodeAttributes interface. [rnix]
  • Add missing attribute_access_for_attrs attribute to IAttributes interface. [rnix]
  • Rename node.behaviors.common.NodeChildValidate.allow_non_node_childs to allow_non_node_children. A Deprecation warning is printed if the old attribute is used. [rnix]
  • Introduce node.behaviors.schema.Schema, node.behaviors.schema.SchemaAsAttributes and related schema definitions in node.schema. [rnix]

0.9.27 (2021-10-21)

  • Expose first_key, last_key, next_key and prev_key from odict storage on Order behavior. [rnix, 2021-10-21]
  • Add basic serializer settings mechanism. [rnix, 2021-07-20]

0.9.26 (2021-05-10)

  • Use node.utils.safe_decode in node.behaviors.nodify.Nodify.treerepr. [rnix, 2021-05-04]
  • Add node.utils.safe_encode and node.utils.safe_decode. [rnix, 2021-05-04]

0.9.25 (2020-03-30)

  • Introduce uuid_factory function on node.interfaces.IUUIDAware and implement default function in node.behaviors.common.UUIDAware. [rnix, 2020-03-01]
  • Rename NodeTestCase.expect_error to NodeTestCase.expectError. [rnix, 2019-09-04]
  • Rename NodeTestCase.check_output to NodeTestCase.checkOutput. [rnix, 2019-09-04]
  • Introduce prefix keyword argument in Nodify.treerepr. [rnix, 2019-09-04]

0.9.24 (2019-07-10)

  • Overhaul node.behaviors.Order. Use related functions from odict where appropriate. [rnix, 2019-07-10]
  • Remove superfluous extra_require from setup.py. [rnix, 2019-04-25]
  • Drop Support for python < 2.7 and < 3.3. [rnix, 2019-04-25]

0.9.23 (2018-11-07)

  • Use property decorators for node.behaviors.reference.Reference.uuid. [rnix, 2017-12-15]

0.9.22 (2017-07-18)

  • Add always_dispatch keyword argument to node.behaviors.events.EventAttribute constructor which defines whether events are always dispatched on __set__, not only if attribute value changes. [rnix, 2017-06-20]
  • Use node.utils.UNSET as default default value in node.behaviors.events.EventAttribute.__init__. [rnix, 2017-06-19]
  • Introduce node.behaviors.events.EventAttribute.subscriber decorator which can be used to register attribute subscribers. [rnix, 2017-06-19]
  • Move event dispatching related classes and functions from node.events to node.behaviors.events and import it from there in node.events. [rnix, 2017-06-16]
  • Introduce node.interfaces.IEvents and implement node.behaviors.events.Events behavior. Contains business logic from node.events.EventDispatcher. Use new behavior on EventDispatcher. [rnix, 2017-06-16]
  • Create suppress_events context manager which can be used to suppress event notification in conjunction with node.behaviors.Events behavior. [rnix, 2017-06-15]
  • Create node.behaviors.fallback.fallback_processing context manager and and use it in node.behaviors.fallback.Fallback.__getitem__ to check whether fallback processing is active. [rnix, 2017-06-15]

0.9.21 (2017-06-15)

  • Introduce node.events.EventDispatcher and node.events.EventAttribute. [rnix, 2017-06-15]
  • Use setattr in instance_property decorator instead of object.__setattr__ in order to avoid errors with custom low level __setattr__ implementations. [rnix, 2017-06-14]

0.9.20 (2017-06-07)

  • Type cast sort key to node.compat.UNICODE_TYPE in node.behaviors.Nodify.treerepr to avoid unicode decode errors. [rnix, 2017-06-07]

0.9.19 (2017-06-07)

  • Python 3 and pypy compatibility. [rnix, 2017-06-02]
  • Drop support for Python < 2.7. [rnix, 2017-06-02]
  • Add __bool__ to node.behaviors.Nodify. [rnix, 2017-06-02]
  • Add __bool__ to node.utils.UNSET. [rnix, 2017-06-02]
  • Add treerepr in node.behaviors.nodify.Nodify and move code from printtree to it. Returs tree representation as string instead of printing it. printtree uses treerepr now. As enhancement treerepr sorts children of node if it does not implement IOrdered in order to ensure consistend output which can be used to write tests against. [rnix, 2017-06-02]
  • Use object.__getattribute__ explicitely in node.utils.instance_property to check whether property value already has been computed in order to avoid problems when oberwriting __getattr__ on classes using instance_property decorator. [rnix, 2017-06-02]

0.9.18.1 (2017-02-23)

  • Fix permissions. [rnix, 2017-02-23]

0.9.18 (2017-02-14)

  • Add node.utils.node_by_path. [rnix, 2017-02-07]
  • Do not depend on unittest2 since its is not used. [jensens, 2017-01-17]
  • Add node.behaviors.Fallback behavior. [jensens, 2017-01-17]

0.9.17 (2017-01-17)

  • Add basic JSON serializer and deserializer. [rnix, 2016-12-03]

0.9.16 (2015-10-08)

  • Only encode name in node.behaviors.nodify.Nodify.__repr__ and node.behaviors.nodify.Nodify.noderepr if name is unicode instance. [rnix, 2015-10-03]
  • Improve node.behaviors.nodify.Nodify.printtree. None node children are printed with key. [rnix, 2015-10-03]

0.9.15 (2014-12-17)

  • Fix dependency declaration to odict in order to make setuptools 8.x+ happy; using >= instead of > now. [jensens, 2014-12-17]

0.9.14

  • use plumbing decorator instead of plumber metaclass. [rnix, 2014-07-31]

0.9.13

  • Introduce node.behaviors.cache.VolatileStorageInvalidate. [rnix, 2014-01-15]

0.9.12

  • Add zope.component to install dependencies. [rnix, 2013-12-09]

0.9.11

  • Use node.utils.UNSET instance in node.behaviors.mapping.ExtendedWriteMapping.pop. [rnix, 2013-02-10]
  • Improve node.utils.Unset. Add Unset instance at node.utils.UNSET. [rnix, 2013-02-10]

0.9.10

  • Fix node.utils.StrCodec.encode to return value as is if str and decoding failed. [rnix, 2012-11-07]

0.9.9

  • Python 2.7 compatibility. [rnix, 2012-10-15]
  • Remove zope.component.event B/C. [rnix, 2012-10-15]
  • Remove zope.location B/C. [rnix, 2012-10-15]
  • Remove zope.lifecycleevent B/C. [rnix, 2012-10-15]
  • Pep8. [rnix, 2012-10-15]

0.9.8

  • Deprecate the use of node.parts. Use node.behaviors instead. [rnix, 2012-07-28]
  • Adopt to plumber 1.2 [rnix, 2012-07-28]

0.9.7

  • Introduce node.interfaces.IOrdered Marker interface. Set this interface on node.parts.storage.OdictStorage. [rnix, 2012-05-21]
  • node.parts.mapping.ClonableMapping now supports deepcopy. [rnix, 2012-05-18]
  • Use zope.interface.implementer instead of zope.interface.implements all over the place. [rnix, 2012-05-18]
  • Remove superfluos interfaces. [rnix, 2012-05-18]
  • Remove Zodict from node.utils. [rnix, 2012-05-18]
  • Remove AliasedNodespace, use Alias part instead. [rnix, 2012-05-18]
  • Move aliaser objects from node.aliasing to node.parts.alias. [rnix, 2012-05-18]
  • Remove composition module. [rnix, 2012-05-18]
  • Remove bbb module. [rnix, 2012-05-18]

0.9.6

  • Do not inherit node.parts.Reference from node.parts.UUIDAware. [rnix, 2012-01-30]
  • Set uuid in node.parts.Reference.__init__ plumb. [rnix, 2012-01-30]

0.9.5

  • add node.parts.nodify.Nodify.acquire function. [rnix, 2011-12-05]
  • add node.parts.ChildFactory plumbing part. [rnix, 2011-12-04]
  • add node.parts.UUIDAware plumbing part. [rnix, 2011-12-02]
  • fix node.parts.Order.swap in order to work with pickled nodes. [rnix, 2011-11-28]
  • use node.name instead of node.__name__ in node.parts.nodify.Nodify.path. [rnix, 2011-11-17]
  • add swap to node.parts.Order. [rnix, 2011-10-05]
  • add insertfirst and insertlast to node.parts.Order. [rnix, 2011-10-02]

0.9.4

  • add node.utils.debug decorator. [rnix, 2011-07-23]
  • remove non storage contract specific properties from node.aliasing.AliasedNodespace [rnix, 2011-07-18]
  • node.aliasing test completion [rnix, 2011-07-18]
  • Add non strict functionality to node.aliasing.DictAliaser for accessing non aliased keys as is as fallback [rnix, 2011-07-18]
  • Consider INode implementing objects in node.utils.StrCodec [rnix, 2011-07-16]
  • Remove duplicate implements in storage parts [rnix, 2011-05-16]

0.9.3

  • Increase test coverage [rnix, 2011-05-09]
  • Add interfaces IFixedChildren and IGetattrChildren for related parts. [rnix, 2011-05-09]
  • Rename Unicode part to UnicodeAware. [rnix, 2011-05-09]
  • Add node.utils.StrCodec. [rnix, 2011-05-09]
  • Inherit INodify interface from INode. [rnix, 2011-05-08]
  • Locking tests. Add time.sleep after thread start. [rnix, 2011-05-08]
  • Cleanup BaseTester, remove sorted_output flag (always sort), also search class bases for detection in wherefrom. [rnix, 2011-05-08]
  • Remove useless try/except in utils.AttributeAccess. [rnix, 2011-05-08]
  • Add instance_property decorator to utils. [rnix, 2011-05-06]
  • Add FixedChildren and GetattrChildren parts. [chaoflow, 2011-04-22]

0.9.2

  • Add __nonzero__ on Nodifiy part always return True. [rnix, 2011-03-15]

0.9.1

  • Provide node.base.Node with same behavior like zodict.Node for migration purposes. [rnix, 2011-02-08]

0.9

  • Make it work [rnix, chaoflow, et al]