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@mdickinson mdickinson released this 24 Jan 15:49
· 6 commits to main since this release
7.0.0
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mdickinson Mark Dickinson
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Learn about vigilant mode.
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Learn about vigilant mode.

This is a major release of the Traits package. Some highlights:

  • Python versions through Python 3.13 are now supported.
  • The Traits package now includes (partial) type hints. (Type hints
    were previously distributed in a separate traits-stubs package.)
  • There is some experimental and provisional support for async
    observer dispatch.
  • Many long-deprecated pieces of functionality have finally been removed
    from the codebase.

Detailed changes

The following people contributed code changes and reviews for this release:

  • Mark Dickinson
  • Robert Haschke
  • Chengyu Liu
  • Frank Longford
  • Sai Rahul Poruri
  • Matt Smarte
  • Corran Webster

Features

  • The traits package now ships with stub files directly, instead of requiring
    those files to be installed via the separate traits-stubs package.
    (#1714)
  • Experimental support for async dispatch has been added. This API should
    be considered provisional, and may change in the future. (#1771)
  • Python versions through 3.13 are now supported. (#1773)
  • Event types TraitChangeEvent, ListChangeEvent, DictChangeEvent
    and SetChangeEvent for the event received by observers are now
    available in traits.observation.api. This is useful for those wanting to
    use the types in type annotations. (#1805)

Changes

  • The behaviour of observers using dispatch="ui" when no GUI system is
    present (in particular, if Pyface has not performed toolkit selection)
    has changed. Previously, if such an observer was triggered then
    it would raise an exception. Now it will raise with a clear error message
    if triggered from a thread other than the main thread, and will execute
    synchronously if triggered on the main thread. (#1740)
  • AttributeErrors raised by some_trait_default methods are
    no longer swallowed. (#1762)
  • The Date trait type no longer accepts datetime instances
    unless allow_datetime=True is used. (#1736)
  • The Date, Time and Datetime trait types no longer
    accept a value of None unless allow_none=True is used. (#1736)
  • Calling an interface class no longer performs implicit adaptation.
    Adaptation must be performed explicitly, using the adapt function.
    (#1719)

Removals

  • Python versions earlier than 3.8 are no longer supported. (#1773)
  • Removed deprecated rich_compare Trait metadata. (#1698)
  • Removed deprecated find_resource and store_resource functions. (#1697)
  • Removed deprecated TraitList, TraitDict and TraitTuple classes.
    (#1634)
  • Removed the deprecated ability of cTrait.default_value to set the default
    value of a trait. It can now only be used for getting, not for setting.
    (#1632)
  • Removed the deprecated typecode parameter to Array trait types.
    (#1633)
  • Removed the deprecated nose_tools module. (#1636)
  • Removed the deprecated Long, CLong, BaseLong and BaseCLong
    trait types. Use Int, CInt, BaseInt and BaseCInt instead.
    (#1701)
  • Removed the deprecated TraitPrefixList and TraitPrefixMap classes.
    Use PrefixList and PrefixMap instead. (#1703)
  • Removed the deprecated Function, Method and Symbol trait types.
    (#1819)
  • Removed the deprecated SingletonHasTraits, SingletonHasStrictTraits
    and SingletonHasPrivateTraits classes. (#1794)
  • Removed the deprecated HasTraits.get and HasTraits.set methods.
    (#1738)
  • Removed the deprecated MetaHasTraits.add_listener and
    MetaHasTraits.remove_listener methods. (#1730)
  • Removed the deprecated Color, RGBColor and Font traits.
    Code that needs these trait types should import them from TraitsUI instead.
    (#1737)
  • Removed the deprecated trait type aliases ListInt, ListFloat,
    ListStr, ListUnicode, ListComplex, ListBool,
    ListFunction, ListMethod, ListThis, DictStrAny,
    DictStrStr, DictStrInt, DictStrFloat, DictStrBool,
    DictStrList. (#1723)
  • Removed the deprecated clean_filename and clean_timestamp
    utilities. (#1820)

Fixes

  • Fixed build error on Python 3.13 triggered by removal of the
    PyTRASHCAN_SAFE_BEGIN and PyTRASHCAN_SAFE_END macros. (#1767)
  • Fixed warning messages from use of PyDict_GetItem in Python >= 3.13.
    (#1818)
  • Fixed a race condition in test of background thread notification. (#1798)
  • Fixed missing observer registration when inserting into a nested
    list. (#1761)
  • Fixed a use of the deprecated datetime.datetime.utcnow method. (#1758)
  • Fixed a use of a deprecated TraitsUI version check. (#1746)
  • Fixed various type stubs. (#1718)

Tests

  • Reworked ui_dispatch tests to no longer require Qt. (#1792)
  • Removed Cython-based tests (after fixing them). (#1793, #1759)
  • Fixed two tests that were triggering TraitsUI deprecation warnings. (#1790)
  • Remove uses of UITester from the test suite. (#1788)
  • Fix a fragile configure_traits test that could fail on warnings unrelated
    to the test goal. (#1749)

Build and continuous integration

  • Added Python 3.11 to the workflow that tests wheels from PyPI. (#1715)
  • Added dependabot config to aid keeping GitHub Actions up to date. (#1776)
  • Brought various GitHub Actions up to date. (#1814, #1810, #1808,
    #1807, #1800, #1799, #1797, #1796, #1780, #1779, #1778, #1777)
  • Removed uses of the voxmedia action for Slack notification. (#1782)
  • Fix the set of architectures tested in the PyPI workflow. (#1795)
  • Removed PySide as a test dependency. (#1791)
  • Fixed a couple of compiler warnings related to integer conversions in the
    Windows build. (#1774)
  • Temporarily pinned the Python 3.13 version to avoid an upstream bug with
    Python 3.13.0a4. (#1775, #1773)
  • Updated workflows for Python 3.12 support. (#1757)
  • Updated workflows for compatibility with Ubuntu 22.04. (#1727)
  • Updated workflows to use Python 3.11 final. (#1725)
  • Moved cibuildwheel config to pyproject.toml. (#1717)
  • Temporarily pinned setuptools to avoid an incompatibility with EDM
    runtimes. (#1722)
  • The PyPI release workflow has been modernized. (#1716)

Documentation

  • Clarify behaviour of observers listening to attr1:attr2. (#1806)
  • Fixed Trait documenter tests for Sphinx >= 7.2. (#1755)
  • Fixed inconsistent spacing style in docs. (#1728)

Miscellaneous

  • Copyright header updates. (#1816, #1768, #1729)
  • The parser for the observe mini-language was regenerated. (#1743)
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