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‎CHANGES.txt‎

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``zope.interface Changelog``
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============================
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3.8.1 (unreleased)
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------------------
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- LP #900906: Avoid exceptions due to tne new ``__qualname__`` attribute
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added in Python 3.3 (see PEP 3155 for rationale). Thanks to Antoine
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Pitrou for the patch.
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3.8.0 (2011-09-22)
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------------------
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- New module ``zope.interface.registry``. This is code moved from
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``zope.component.registry`` which implements a basic nonperistent component
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registry as ``zope.interface.registry.Components``. This class was moved
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from ``zope.component`` to make porting systems (such as Pyramid) that rely
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only on a basic component registry to Python 3 possible without needing to
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port the entirety of the ``zope.component`` package. Backwards
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compatibility import shims have been left behind in ``zope.component``, so
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this change will not break any existing code.
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- New ``tests_require`` dependency: ``zope.event`` to test events sent by
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Components implementation. The ``zope.interface`` package does not have a
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hard dependency on ``zope.event``, but if ``zope.event`` is importable, it
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will send component registration events when methods of an instance of
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``zope.interface.registry.Components`` are called.
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- New interfaces added to support ``zope.interface.registry.Components``
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addition: ``ComponentLookupError``, ``Invalid``, ``IObjectEvent``,
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``ObjectEvent``, ``IComponentLookup``, ``IRegistration``,
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``IUtilityRegistration``, ``IAdapterRegistration``,
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``ISubscriptionAdapterRegistration``, ``IHandlerRegistration``,
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``IRegistrationEvent``, ``RegistrationEvent``, ``IRegistered``,
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``Registered``, ``IUnregistered``, ``Unregistered``,
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``IComponentRegistry``, and ``IComponents``.
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- No longer Python 2.4 compatible (tested under 2.5, 2.6, 2.7, and 3.2).
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3.7.0 (2011-08-13)
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------------------
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- Move changes from 3.6.2 - 3.6.5 to a new 3.7.x release line.
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3.6.7 (2011-08-20)
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------------------
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- Fix sporadic failures on x86-64 platforms in tests of rich comparisons
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of interfaces.
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3.6.6 (2011-08-13)
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------------------
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- LP #570942: Now correctly compare interfaces from different modules but
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with the same names.
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N.B.: This is a less intrusive / destabilizing fix than the one applied in
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3.6.3: we only fix the underlying cmp-alike function, rather than adding
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the other "rich comparison" functions.
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- Revert to software as released with 3.6.1 for "stable" 3.6 release branch.
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3.6.5 (2011-08-11)
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------------------
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- LP #811792: work around buggy behavior in some subclasses of
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``zope.interface.interface.InterfaceClass``, which invoke ``__hash__``
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before initializing ``__module__`` and ``__name__``. The workaround
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returns a fixed constant hash in such cases, and issues a ``UserWarning``.
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- LP #804832: Under PyPy, ``zope.interface`` should not build its C
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extension. Also, prevent attempting to build it under Jython.
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- Add a tox.ini for easier xplatform testing.
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- Fix testing deprecation warnings issued when tested under Py3K.
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3.6.4 (2011-07-04)
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------------------
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- LP 804951: InterfaceClass instances were unhashable under Python 3.x.
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3.6.3 (2011-05-26)
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------------------
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- LP #570942: Now correctly compare interfaces from different modules but
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with the same names.
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3.6.2 (2011-05-17)
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------------------
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- Moved detailed documentation out-of-line from PyPI page, linking instead to
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http://docs.zope.org/zope.interface .
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- Fixes for small issues when running tests under Python 3.2 using
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``zope.testrunner``.
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- LP # 675064: Specify return value type for C optimizations module init
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under Python 3: undeclared value caused warnings, and segfaults on some
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64 bit architectures.
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- setup.py now raises RuntimeError if you don't have Distutils installed when
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running under Python 3.
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3.6.1 (2010-05-03)
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------------------
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- A non-ASCII character in the changelog made 3.6.0 uninstallable on
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Python 3 systems with another default encoding than UTF-8.
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- Fixed compiler warnings under GCC 4.3.3.
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3.6.0 (2010-04-29)
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------------------
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- LP #185974: Clear the cache used by ``Specificaton.get`` inside
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``Specification.changed``. Thanks to Jacob Holm for the patch.
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- Added support for Python 3.1. Contributors:
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Lennart Regebro
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Martin v Loewis
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Thomas Lotze
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Wolfgang Schnerring
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The 3.1 support is completely backwards compatible. However, the implements
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syntax used under Python 2.X does not work under 3.X, since it depends on
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how metaclasses are implemented and this has changed. Instead it now supports
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a decorator syntax (also under Python 2.X)::
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class Foo:
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implements(IFoo)
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...
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can now also be written::
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@implementer(IFoo):
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class Foo:
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...
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There are 2to3 fixers available to do this change automatically in the
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zope.fixers package.
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- Python 2.3 is no longer supported.
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3.5.4 (2009-12-23)
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------------------
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- Use the standard Python doctest module instead of zope.testing.doctest, which
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has been deprecated.
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3.5.3 (2009-12-08)
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------------------
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- Fix an edge case: make providedBy() work when a class has '__provides__' in
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its __slots__ (see http://thread.gmane.org/gmane.comp.web.zope.devel/22490)
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3.5.2 (2009-07-01)
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------------------
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- BaseAdapterRegistry.unregister, unsubscribe: Remove empty portions of
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the data structures when something is removed. This avoids leaving
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references to global objects (interfaces) that may be slated for
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removal from the calling application.
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3.5.1 (2009-03-18)
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------------------
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- verifyObject: use getattr instead of hasattr to test for object attributes
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in order to let exceptions other than AttributeError raised by properties
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propagate to the caller
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- Add Sphinx-based documentation building to the package buildout
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configuration. Use the ``bin/docs`` command after buildout.
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- Improve package description a bit. Unify changelog entries formatting.
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- Change package's mailing list address to zope-dev at zope.org as
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zope3-dev at zope.org is now retired.
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3.5.0 (2008-10-26)
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------------------
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- Fixed declaration of _zope_interface_coptimizations, it's not a top level
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package.
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- Add a DocTestSuite for odd.py module, so their tests are run.
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- Allow to bootstrap on Jython.
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- Fix https://bugs.launchpad.net/zope3/3.3/+bug/98388: ISpecification
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was missing a declaration for __iro__.
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- Added optional code optimizations support, which allows the building
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of C code optimizations to fail (Jython).
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- Replaced `_flatten` with a non-recursive implementation, effectively making
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it 3x faster.
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3.4.1 (2007-10-02)
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------------------
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- Fixed a setup bug that prevented installation from source on systems
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without setuptools.
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3.4.0 (2007-07-19)
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------------------
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- Final release for 3.4.0.
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3.4.0b3 (2007-05-22)
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--------------------
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- Objects with picky custom comparison methods couldn't be added to
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component registries. Now, when checking whether an object is
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already registered, identity comparison is used.
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3.3.0.1 (2007-01-03)
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--------------------
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- Made a reference to OverflowWarning, which disappeared in Python
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2.5, conditional.
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3.3.0 (2007/01/03)
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------------------
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New Features
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++++++++++++
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- The adapter-lookup algorithim was refactored to make it
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much simpler and faster.
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Also, more of the adapter-lookup logic is implemented in C, making
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debugging of application code easier, since there is less
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infrastructre code to step through.
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- We now treat objects without interface declarations as if they
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declared that they provide zope.interface.Interface.
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- There are a number of richer new adapter-registration interfaces
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that provide greater control and introspection.
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- Added a new interface decorator to zope.interface that allows the
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setting of tagged values on an interface at definition time (see
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zope.interface.taggedValue).
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Bug Fixes
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+++++++++
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- A bug in multi-adapter lookup sometimes caused incorrect adapters to
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be returned.
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3.2.0.2 (2006-04-15)
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--------------------
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- Fix packaging bug: 'package_dir' must be a *relative* path.
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3.2.0.1 (2006-04-14)
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--------------------
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- Packaging change: suppress inclusion of 'setup.cfg' in 'sdist' builds.
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3.2.0 (2006-01-05)
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------------------
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- Corresponds to the verison of the zope.interface package shipped as part of
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the Zope 3.2.0 release.
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3.1.0 (2005-10-03)
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------------------
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- Corresponds to the verison of the zope.interface package shipped as part of
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the Zope 3.1.0 release.
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- Made attribute resolution order consistent with component lookup order,
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i.e. new-style class MRO semantics.
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- Deprecated 'isImplementedBy' and 'isImplementedByInstancesOf' APIs in
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favor of 'implementedBy' and 'providedBy'.
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3.0.1 (2005-07-27)
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------------------
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- Corresponds to the verison of the zope.interface package shipped as part of
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the Zope X3.0.1 release.
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- Fixed a bug reported by James Knight, which caused adapter registries
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to fail occasionally to reflect declaration changes.
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3.0.0 (2004-11-07)
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------------------
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- Corresponds to the verison of the zope.interface package shipped as part of
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the Zope X3.0.0 release.

‎COPYRIGHT.txt‎

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Zope Foundation and Contributors

‎LICENSE.txt‎

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Zope Public License (ZPL) Version 2.1
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A copyright notice accompanies this license document that identifies the
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copyright holders.
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This license has been certified as open source. It has also been designated as
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GPL compatible by the Free Software Foundation (FSF).
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions in source code must retain the accompanying copyright
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notice, this list of conditions, and the following disclaimer.
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2. Redistributions in binary form must reproduce the accompanying copyright
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notice, this list of conditions, and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Names of the copyright holders must not be used to endorse or promote
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products derived from this software without prior written permission from the
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copyright holders.
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4. The right to distribute this software or to use it for any purpose does not
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give you the right to use Servicemarks (sm) or Trademarks (tm) of the
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copyright
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holders. Use of them is covered by separate agreement with the copyright
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holders.
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5. If any files are modified, you must cause the modified files to carry
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prominent notices stating that you changed the files and the date of any
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change.
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Disclaimer
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY EXPRESSED
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OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

‎README.txt‎

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Please see the Launchpad branch for this work: tracking the revisions
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is much easier for me to do there:
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``zope.interface`` README
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=========================
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Check it out:
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This package is intended to be independently reusable in any Python
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project. It is maintained by the `Zope Toolkit project
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<http://docs.zope.org/zopetoolkit/>`_.
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$ bzr co lp:~tseaver/zope.interface/better_unittests
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This package provides an implementation of "object interfaces" for Python.
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Interfaces are a mechanism for labeling objects as conforming to a given
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API or contract. So, this package can be considered as implementation of
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the `Design By Contract`_ methodology support in Python.
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Browse it:
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.. _Design By Contract: http://en.wikipedia.org/wiki/Design_by_contract
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https://code.launchpad.net/~tseaver/zope.interface/better_unittests
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For detailed documentation, please see http://docs.zope.org/zope.interface

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