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CHANGES

3.1 (unreleased)

  • Add support for Python 3.14.
  • Drop support for Python 3.9.

3.0 (2025-04-16)

  • Replace pkg_resources namespace with PEP 420 native namespace.
  • Drop xml extra and all the code which was enabled by it. (z3c.schema2xml is unmaintained for years now.)
  • Drop support for Python 3.8.

2.0.0 (2024-11-30)

  • Revert: Consider RelationValue without source as broken. [ksuess]
  • Add support for Python 3.12, 3.13.
  • Drop support for Python 3.7.
  • Fix tests for Python 3.13. [petschki]

1.1 (2023-08-17)

  • Consider RelationValue without source as broken. [ksuess]

1.0 (2023-02-22)

Breaking changes:

  • Drop support for Python 2.7, 3.5, 3.6.

New features:

  • Add support for Python 3.7, 3.8, 3.9, 3.10, 3.11.

0.9.0 (2019-09-15)

New features:

  • Provide IRelationBrokenEvent to be able to distinguish the event when subscribing to IObjectModifiedEvent [vangheem]

0.8.0 (2019-02-13)

New features:

Bug fixes:

  • Fix DeprecationWarnings in tests.py. [jensens]

0.7.1 (2018-11-08)

  • Python 3 compatibility: use the implementer decorator and fix ordering [ale-rt]
  • Python 3 compatibility: Make RelationValue hashable. [sallner]
  • Renamed README.txt``to ``README.rst and CHANGES.txt to CHANGES.rst. [thet]
  • Update buildout / travis config [tomgross]
  • Fix issue where relations are cleared on modify if they are not stored as an class attribute. Usecase see plone/Products.CMFPlone#2384 [tomgross]

0.7 (2015-03-13)

  • Remove dependencies on zope.app.* [davisagli]

0.6.3 (2014-04-15)

  • Remove dependency on grok. [pbauer, jensens]

0.6.2 (2012-12-06)

  • Updated test setup and test to run with current versions of dependent packages, thus running with Python 2.6, too.
  • Added missing (test) dependencies.
  • Rename __neq__ method to __ne__ since __neq__ is not the right builtin name for != handlers.

0.6.1 (2009-10-11)

  • Fixes broken release.

0.6 (2009-10-11)

  • Ensure that the value_type of a RelationList is not overwritten to be 'None' when the field is constructed.

0.5 (2009-06-30)

  • Move lxml and schema2xml dependencies to an [xml] extra so that people can use this package without having to install lxml, which still causes issues on some platforms. If z3c.schema2xml and lxml are not importable, the relevant adapters will not be defined, but everything else will still work.
  • Subscribe to IIntIdAddedEvent instead of IObjectAddedEvent to prevent errors due to subscriber ordering.

0.4.3 (2009-06-04)

  • Add missing dependency for lxml.

0.4.2 (2009-04-22)

  • Prevent the event failures from failing when utilities are missing or when objects do not implement IContained.

0.4.1 (2009-02-12)

  • Don't handle IObjectModified events for objects that do not yet have a parent. There is no need to do so anyway, as these objects cannot have outgoing relations indexed.

0.4 (2009-02-10)

  • Introduce a RelationChoice field that behaves like schema.Choice but tracks relations. In combination with a source (such as created by RelationSourceFactory provided by z3c.relationfieldui) this can be used to create drop-down selections for relations.
  • Clarify the way comparing and sorting of RelationValue objects is done in order to better support choice support.

0.3.2 (2009-01-21)

  • When a relation is broken, properly re-catalog things.

0.3.1 (2009-01-20)

  • Introduce sensible sort order for relations, based on a (from_attribute, from_path, to_path) tuple.
  • Relations will now never compare to None.

0.3 (2009-01-19)

  • Introduce two new interfaces: IHasOutgoingRelations and IHasIncomingRelations. IHasOutgoingRelations should be provided by objects that actually have relations set on them, so that they can be properly cataloged. IHasIncomingRelations should be set on objects that can be related to, so that broken relations can be properly tracked. IHasRelations now extends both, so if you provide those on your object you have an object that can have both outgoing as well as incoming relations.

  • Improve broken relations support. When you now break a relation (by removing the relation target), to_id and to_object become None. to_path however will remain the path that the relation last pointed to. TemporaryRelation objects that when realized are broken relations can also be created.

    You can also for broken status by calling isBroken on a relation.

  • The signature of the top-level function create_relation changed. It used to take the object to which the relation was to be created, but should now get the path (in IObjectPath terms). create_relation will now create a broken relation object if the path cannot be resolved.

0.2 (2009-01-08)

  • Added support for RelationList fields. This allows one to maintain a list of RelationValue objects that will be cataloged like the regular Relation fields.
  • Get rid of IRelationInfo adapter requirement. Just define a create_relation function that does the same work.
  • When looking for relations on an object be more tolerant if those cannot be found (just skip them) - this can happen when a schema is changed.

0.1 (2008-12-05)

  • Initial public release.