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Name: zope.interface
Version: 4.0.5
Summary: Interfaces for Python
Home-page: http://pypi.python.org/pypi/zope.interface
Author: Zope Foundation and Contributors
Author-email: zope-dev@zope.org
License: ZPL 2.1
Description: ``zope.interface`` README
=========================
This package is intended to be independently reusable in any Python
project. It is maintained by the `Zope Toolkit project
<http://docs.zope.org/zopetoolkit/>`_.
This package provides an implementation of "object interfaces" for Python.
Interfaces are a mechanism for labeling objects as conforming to a given
API or contract. So, this package can be considered as implementation of
the `Design By Contract`_ methodology support in Python.
.. _Design By Contract: http://en.wikipedia.org/wiki/Design_by_contract
For detailed documentation, please see http://docs.zope.org/zope.interface
``zope.interface Changelog``
============================
4.0.5 (2013-02-28)
------------------
- Fixed a bug where a decorated method caused false positive failures on
``verifyClass()``.
4.0.4 (2013-02-21)
------------------
- Fixed a bug that was revealed by porting zope.traversing. During a loop, the
loop body modified a weakref dict causing a ``RuntimeError`` error.
4.0.3 (2012-12-31)
------------------
- Fleshed out PyPI Trove classifiers.
4.0.2 (2012-11-21)
------------------
- Added support for Python 3.3.
- Restored ability to install the package in the absence of ``setuptools``.
- LP #1055223: Fix test which depended on dictionary order and failed randomly
in Python 3.3.
4.0.1 (2012-05-22)
------------------
- Dropped explicit ``DeprecationWarnings`` for "class advice" APIS (these
APIs are still deprecated under Python 2.x, and still raise an exception
under Python 3.x, but no longer cause a warning to be emitted under
Python 2.x).
4.0.0 (2012-05-16)
------------------
- Automated build of Sphinx HTML docs and running doctest snippets via tox.
- Deprecated the "class advice" APIs from ``zope.interface.declarations``:
``implements``, ``implementsOnly``, and ``classProvides``. In their place,
prefer the equivalent class decorators: ``@implementer``,
``@implementer_only``, and ``@provider``. Code which uses the deprecated
APIs will not work as expected under Py3k.
- Removed use of '2to3' and associated fixers when installing under Py3k.
The code is now in a "compatible subset" which supports Python 2.6, 2.7,
and 3.2, including PyPy 1.8 (the version compatible with the 2.7 language
spec).
- Dropped explicit support for Python 2.4 / 2.5 / 3.1.
- Added support for PyPy.
- Added support for continuous integration using ``tox`` and ``jenkins``.
- Added 'setup.py dev' alias (runs ``setup.py develop`` plus installs
``nose`` and ``coverage``).
- Added 'setup.py docs' alias (installs ``Sphinx`` and dependencies).
- Replaced all unittest coverage previously accomplished via doctests with
unittests. The doctests have been moved into a ``docs`` section, managed
as a Sphinx collection.
- LP #910987: Ensure that the semantics of the ``lookup`` method of
``zope.interface.adapter.LookupBase`` are the same in both the C and
Python implementations.
- LP #900906: Avoid exceptions due to tne new ``__qualname__`` attribute
added in Python 3.3 (see PEP 3155 for rationale). Thanks to Antoine
Pitrou for the patch.
3.8.0 (2011-09-22)
------------------
- New module ``zope.interface.registry``. This is code moved from
``zope.component.registry`` which implements a basic nonperistent component
registry as ``zope.interface.registry.Components``. This class was moved
from ``zope.component`` to make porting systems (such as Pyramid) that rely
only on a basic component registry to Python 3 possible without needing to
port the entirety of the ``zope.component`` package. Backwards
compatibility import shims have been left behind in ``zope.component``, so
this change will not break any existing code.
- New ``tests_require`` dependency: ``zope.event`` to test events sent by
Components implementation. The ``zope.interface`` package does not have a
hard dependency on ``zope.event``, but if ``zope.event`` is importable, it
will send component registration events when methods of an instance of
``zope.interface.registry.Components`` are called.
- New interfaces added to support ``zope.interface.registry.Components``
addition: ``ComponentLookupError``, ``Invalid``, ``IObjectEvent``,
``ObjectEvent``, ``IComponentLookup``, ``IRegistration``,
``IUtilityRegistration``, ``IAdapterRegistration``,
``ISubscriptionAdapterRegistration``, ``IHandlerRegistration``,
``IRegistrationEvent``, ``RegistrationEvent``, ``IRegistered``,
``Registered``, ``IUnregistered``, ``Unregistered``,
``IComponentRegistry``, and ``IComponents``.
- No longer Python 2.4 compatible (tested under 2.5, 2.6, 2.7, and 3.2).
3.7.0 (2011-08-13)
------------------
- Move changes from 3.6.2 - 3.6.5 to a new 3.7.x release line.
3.6.7 (2011-08-20)
------------------
- Fix sporadic failures on x86-64 platforms in tests of rich comparisons
of interfaces.
3.6.6 (2011-08-13)
------------------
- LP #570942: Now correctly compare interfaces from different modules but
with the same names.
N.B.: This is a less intrusive / destabilizing fix than the one applied in
3.6.3: we only fix the underlying cmp-alike function, rather than adding
the other "rich comparison" functions.
- Revert to software as released with 3.6.1 for "stable" 3.6 release branch.
3.6.5 (2011-08-11)
------------------
- LP #811792: work around buggy behavior in some subclasses of
``zope.interface.interface.InterfaceClass``, which invoke ``__hash__``
before initializing ``__module__`` and ``__name__``. The workaround
returns a fixed constant hash in such cases, and issues a ``UserWarning``.
- LP #804832: Under PyPy, ``zope.interface`` should not build its C
extension. Also, prevent attempting to build it under Jython.
- Add a tox.ini for easier xplatform testing.
- Fix testing deprecation warnings issued when tested under Py3K.
3.6.4 (2011-07-04)
------------------
- LP 804951: InterfaceClass instances were unhashable under Python 3.x.
3.6.3 (2011-05-26)
------------------
- LP #570942: Now correctly compare interfaces from different modules but
with the same names.
3.6.2 (2011-05-17)
------------------
- Moved detailed documentation out-of-line from PyPI page, linking instead to
http://docs.zope.org/zope.interface .
- Fixes for small issues when running tests under Python 3.2 using
``zope.testrunner``.
- LP # 675064: Specify return value type for C optimizations module init
under Python 3: undeclared value caused warnings, and segfaults on some
64 bit architectures.
- setup.py now raises RuntimeError if you don't have Distutils installed when
running under Python 3.
3.6.1 (2010-05-03)
------------------
- A non-ASCII character in the changelog made 3.6.0 uninstallable on
Python 3 systems with another default encoding than UTF-8.
- Fixed compiler warnings under GCC 4.3.3.
3.6.0 (2010-04-29)
------------------
- LP #185974: Clear the cache used by ``Specificaton.get`` inside
``Specification.changed``. Thanks to Jacob Holm for the patch.
- Added support for Python 3.1. Contributors:
Lennart Regebro
Martin v Loewis
Thomas Lotze
Wolfgang Schnerring
The 3.1 support is completely backwards compatible. However, the implements
syntax used under Python 2.X does not work under 3.X, since it depends on
how metaclasses are implemented and this has changed. Instead it now supports
a decorator syntax (also under Python 2.X)::
class Foo:
implements(IFoo)
...
can now also be written::
@implementer(IFoo):
class Foo:
...
There are 2to3 fixers available to do this change automatically in the
zope.fixers package.
- Python 2.3 is no longer supported.
3.5.4 (2009-12-23)
------------------
- Use the standard Python doctest module instead of zope.testing.doctest, which
has been deprecated.
3.5.3 (2009-12-08)
------------------
- Fix an edge case: make providedBy() work when a class has '__provides__' in
its __slots__ (see http://thread.gmane.org/gmane.comp.web.zope.devel/22490)
3.5.2 (2009-07-01)
------------------
- BaseAdapterRegistry.unregister, unsubscribe: Remove empty portions of
the data structures when something is removed. This avoids leaving
references to global objects (interfaces) that may be slated for
removal from the calling application.
3.5.1 (2009-03-18)
------------------
- verifyObject: use getattr instead of hasattr to test for object attributes
in order to let exceptions other than AttributeError raised by properties
propagate to the caller
- Add Sphinx-based documentation building to the package buildout
configuration. Use the ``bin/docs`` command after buildout.
- Improve package description a bit. Unify changelog entries formatting.
- Change package's mailing list address to zope-dev at zope.org as
zope3-dev at zope.org is now retired.
3.5.0 (2008-10-26)
------------------
- Fixed declaration of _zope_interface_coptimizations, it's not a top level
package.
- Add a DocTestSuite for odd.py module, so their tests are run.
- Allow to bootstrap on Jython.
- Fix https://bugs.launchpad.net/zope3/3.3/+bug/98388: ISpecification
was missing a declaration for __iro__.
- Added optional code optimizations support, which allows the building
of C code optimizations to fail (Jython).
- Replaced `_flatten` with a non-recursive implementation, effectively making
it 3x faster.
3.4.1 (2007-10-02)
------------------
- Fixed a setup bug that prevented installation from source on systems
without setuptools.
3.4.0 (2007-07-19)
------------------
- Final release for 3.4.0.
3.4.0b3 (2007-05-22)
--------------------
- Objects with picky custom comparison methods couldn't be added to
component registries. Now, when checking whether an object is
already registered, identity comparison is used.
3.3.0.1 (2007-01-03)
--------------------
- Made a reference to OverflowWarning, which disappeared in Python
2.5, conditional.
3.3.0 (2007/01/03)
------------------
New Features
++++++++++++
- The adapter-lookup algorithim was refactored to make it
much simpler and faster.
Also, more of the adapter-lookup logic is implemented in C, making
debugging of application code easier, since there is less
infrastructre code to step through.
- We now treat objects without interface declarations as if they
declared that they provide zope.interface.Interface.
- There are a number of richer new adapter-registration interfaces
that provide greater control and introspection.
- Added a new interface decorator to zope.interface that allows the
setting of tagged values on an interface at definition time (see
zope.interface.taggedValue).
Bug Fixes
+++++++++
- A bug in multi-adapter lookup sometimes caused incorrect adapters to
be returned.
3.2.0.2 (2006-04-15)
--------------------
- Fix packaging bug: 'package_dir' must be a *relative* path.
3.2.0.1 (2006-04-14)
--------------------
- Packaging change: suppress inclusion of 'setup.cfg' in 'sdist' builds.
3.2.0 (2006-01-05)
------------------
- Corresponds to the verison of the zope.interface package shipped as part of
the Zope 3.2.0 release.
3.1.0 (2005-10-03)
------------------
- Corresponds to the verison of the zope.interface package shipped as part of
the Zope 3.1.0 release.
- Made attribute resolution order consistent with component lookup order,
i.e. new-style class MRO semantics.
- Deprecated 'isImplementedBy' and 'isImplementedByInstancesOf' APIs in
favor of 'implementedBy' and 'providedBy'.
3.0.1 (2005-07-27)
------------------
- Corresponds to the verison of the zope.interface package shipped as part of
the Zope X3.0.1 release.
- Fixed a bug reported by James Knight, which caused adapter registries
to fail occasionally to reflect declaration changes.
3.0.0 (2004-11-07)
------------------
- Corresponds to the verison of the zope.interface package shipped as part of
the Zope X3.0.0 release.
Platform: UNKNOWN
Classifier: Development Status :: 5 - Production/Stable
Classifier: Intended Audience :: Developers
Classifier: License :: OSI Approved :: Zope Public License
Classifier: Operating System :: OS Independent
Classifier: Programming Language :: Python
Classifier: Programming Language :: Python :: 2
Classifier: Programming Language :: Python :: 2.6
Classifier: Programming Language :: Python :: 2.7
Classifier: Programming Language :: Python :: 3
Classifier: Programming Language :: Python :: 3.2
Classifier: Programming Language :: Python :: 3.3
Classifier: Programming Language :: Python :: Implementation :: CPython
Classifier: Programming Language :: Python :: Implementation :: PyPy
Classifier: Framework :: Zope3
Classifier: Topic :: Software Development :: Libraries :: Python Modules
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