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Name: persistent
Version: 4.2.2
Summary: Translucent persistent objects
Home-page: http://www.zope.org/Products/ZODB
Author: Zope Corporation
Author-email: zodb-dev@zope.org
License: ZPL 2.1
Description: ``persistent``: automatic persistence for Python objects
=========================================================
.. image:: https://travis-ci.org/zopefoundation/persistent.png?branch=master
:target: https://travis-ci.org/zopefoundation/persistent
.. image:: https://readthedocs.org/projects/persistent/badge/?version=latest
:target: http://persistent.readthedocs.org/en/latest/
:alt: Documentation Status
.. image:: https://img.shields.io/pypi/v/persistent.svg
:target: https://pypi.python.org/pypi/persistent
:alt: PyPI
.. image:: https://img.shields.io/pypi/pyversions/persistent.svg
:target: https://pypi.python.org/pypi/persistent
:alt: Python versions
This package contains a generic persistence implementation for Python. It
forms the core protocol for making objects interact "transparently" with
a database such as the ZODB.
Please see the Sphinx documentation (``docs/index.rst``) for further
information.
.. note::
Use of this standalone ``persistent`` release is not recommended or
supported with ZODB < 3.11. ZODB 3.10 and earlier bundle their own
version of the ``persistent`` package.
``persistent`` Changelog
========================
4.2.2 (2016-11-29)
------------------
- Drop use of ``ctypes`` for determining maximum integer size, to increase
pure-Python compatibility.
- Ensure that ``__slots__`` attributes are cleared when a persistent
object is ghostified. (This excluses classes that override
``__new__``. See
https://github.com/zopefoundation/persistent/wiki/Notes_on_state_new_and_slots
if you're curious.)
4.2.1 (2016-05-26)
------------------
- Fix the hashcode of C ``TimeStamp`` objects on 64-bit Python 3 on
Windows.
4.2.0 (2016-05-05)
------------------
- Fixed the Python(/PYPY) implementation ``TimeStamp.timeTime`` method
to have subsecond precision.
- When testing ``PURE_PYTHON`` environments under ``tox``, avoid poisoning
the user's global wheel cache.
- Add support for Python 3.5.
- Drop support for Python 2.6 and 3.2.
4.1.1 (2015-06-02)
------------------
- Fix manifest and re-upload to fix stray files included in 4.1.0.
4.1.0 (2015-05-19)
------------------
- Make the Python implementation of ``Persistent`` and ``PickleCache``
behave more similarly to the C implementation. In particular, the
Python version can now run the complete ZODB and ZEO test suites.
- Fix the hashcode of the Python ``TimeStamp`` on 32-bit platforms.
4.0.9 (2015-04-08)
------------------
- Make the C and Python ``TimeStamp`` objects behave more alike. The
Python version now produces the same ``repr`` and ``.raw()`` output as
the C version, and has the same hashcode. In addition, the Python
version is now supports ordering and equality like the C version.
- Intern keys of object state in ``__setstate__`` to reduce memory usage
when unpickling multiple objects with the same attributes.
- Add support for PyPy3.
- 100% branch coverage.
4.0.8 (2014-03-20)
------------------
- Add support for Python 3.4.
- In pure-Python ``Persistent``, avoid loading state in ``_p_activate``
for non-ghost objects (which could corrupt their state). (PR #9)
- In pure-Python, and don't throw ``POSKeyError`` if ``_p_activate`` is
called on an object that has never been committed. (PR #9)
- In pure-Python ``Persistent``, avoid calling a subclass's ``__setattr__``
at instance creation time. (PR #8)
- Make it possible to delete ``_p_jar`` / ``_p_oid`` of a pure-Python
``Persistent`` object which has been removed from the jar's cache
(fixes aborting a ZODB Connection that has added objects). (PR #7)
4.0.7 (2014-02-20)
------------------
- Avoid a KeyError from ``_p_accessed()`` on newly-created objects under
pure-Python: these objects may be assigned to a jar, but not yet added
to its cache. (PR #6)
- Avoid a failure in ``Persistent.__setstate__`` when the state dict
contains exactly two keys. (PR #5)
- Fix a hang in ``picklecache`` invalidation if OIDs are manually passed
out-of-order. (PR #4)
- Add ``PURE_PYTHON`` environment variable support: if set, the C
extensions will not be built, imported, or tested.
4.0.6 (2013-01-03)
------------------
- Updated Trove classifiers.
4.0.5 (2012-12-14)
------------------
- Fixed the C-extensions under Py3k (previously they compiled but were
not importable).
4.0.4 (2012-12-11)
------------------
- Added support for Python 3.3.
- C extenstions now build under Python 3.2, passing the same tests as
the pure-Python reference implementation.
4.0.3 (2012-11-19)
------------------
- Fixed: In the C implimentation, an integer was compared with a
pointer, with undefined results and a compiler warning.
- Fixed: the Python implementation of the ``_p_estimated_size`` propety
didn't support deletion.
- Simplified implementation of the ``_p_estimated_size`` property to
only accept integers. A TypeError is raised if an incorrect type is
provided.
4.0.2 (2012-08-27)
------------------
- Correct initialization functions in renamed ``_timestamp`` extension.
4.0.1 (2012-08-26)
------------------
- Worked around test failure due to overflow to long on 32-bit systems.
- Renamed ``TimeStamp`` extension module to avoid clash with pure-Python
``timestamp`` module on case-insensitive filesystems.
N.B: the canonical way to import the ``TimeStamp`` class is now::
from persistent.timestamp import TimeStamp
which will yield the class from the extension module (if available),
falling back to the pure-Python reference implementation.
4.0.0 (2012-08-11)
------------------
Platform Changes
################
- Added explicit support for Python 3.2 and PyPy.
- Note that the C implementations of Persistent, PickleCache, and Timestamp
are not built (yet) on these platforms.
- Dropped support for Python < 2.6.
Testing Changes
###############
- 100% unit test coverage.
- Removed all ``ZODB``-dependent tests:
- Rewrote some to avoid the dependency
- Cloned the remainder into new ``ZODB.tests`` modules.
- Refactored some doctests refactored as unittests.
- Completed pure-Python reference implementations of 'Persistent',
'PickleCache', and 'TimeStamp'.
- All covered platforms tested under ``tox``.
- Added support for continuous integration using ``tox`` and ``jenkins``.
- Added ``setup.py dev`` alias (installs ``nose`` and ``coverage``).
- Dropped dependency on ``zope.testing`` / ``zope.testrunner``: tests now
run with ``setup.py test``.
Documentation Changes
#####################
- Refactored many Doctests as Sphinx documentation (snippets are exercised
via 'tox').
- Added ``setup.py docs`` alias (installs ``Sphinx`` and
``repoze.sphinx.autointerface``).
Platform: any
Classifier: Development Status :: 6 - Mature
Classifier: License :: OSI Approved :: Zope Public License
Classifier: Programming Language :: Python
Classifier: Programming Language :: Python :: 2
Classifier: Programming Language :: Python :: 2.7
Classifier: Programming Language :: Python :: 3
Classifier: Programming Language :: Python :: 3.3
Classifier: Programming Language :: Python :: 3.4
Classifier: Programming Language :: Python :: 3.5
Classifier: Programming Language :: Python :: Implementation :: CPython
Classifier: Programming Language :: Python :: Implementation :: PyPy
Classifier: Framework :: ZODB
Classifier: Topic :: Database
Classifier: Topic :: Software Development :: Libraries :: Python Modules
Classifier: Operating System :: Microsoft :: Windows
Classifier: Operating System :: Unix
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