Scalable persistent object containers

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organization icon Zope Foundation
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BTrees: scalable persistent components

This package contains a set of persistent object containers built around a modified BTree data structure. The trees are optimized for use inside ZODB’s “optimistic concurrency” paradigm, and include explicit resolution of conflicts detected by that mechannism.

Please see the Sphinx documentation (docs/index.rst) for further information.

BTrees Changelog

4.0.6 (2013-05-14)

  • Changed the ZODB extra to require only the real ZODB package, rather than the ZODB3 metapackage: depending on the version used, the metapackage could pull in stale versions of this package and persistent.

  • Fixed Python version check in setup.py.

4.0.5 (2013-01-15)

  • Fit the repr of bucket objects, which could contain garbage characters.

4.0.4 (2013-01-12)

  • Emulate the (private) iterators used by the C extension modules from pure Python. This change is “cosmetic” only: it prevents the ZCML zope.app.security:permission.zcml from failing. The emulated classes are not functional, and should be considered implementation details.

  • Accomodate buildout to the fact that we no longer bundle a copy of ‘persistent.h’.

  • Fix test failures on Windows: no longer rely on overflows from sys.maxint.

4.0.3 (2013-01-04)

  • Added setup_requires==['persistent'].

4.0.2 (2013-01-03)

  • Updated Trove classifiers.

  • Added explicit support for Python 3.2, Python 3.3, and PyPy. Note that the C extensions are not (yet) available on PyPy.

  • Python reference implementations now tested separately from the C verions on all platforms.

  • 100% unit test coverage.

4.0.1 (2012-10-21)

  • Provide local fallback for persistent C header inclusion if the persistent distribution isn’t installed. This makes the winbot happy.

4.0.0 (2012-10-20)

Platform Changes

  • Dropped support for Python < 2.6.

  • Factored BTrees as a separate distribution.

Testing Changes

  • 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

  • Added API reference, generated via Spinx’ autodoc.

  • Added Sphinx documentation based on ZODB Guide (snippets are exercised via ‘tox’).

  • Added setup.py docs alias (installs Sphinx and repoze.sphinx.autointerface).

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Avatar for ctheune from gravatar.com ctheune Avatar for hannosch from gravatar.com hannosch Avatar for icemac from gravatar.com icemac Avatar for J1m from gravatar.com J1m Avatar for jamadden from gravatar.com jamadden Avatar for mgedmin from gravatar.com mgedmin Avatar for tseaver from gravatar.com tseaver Avatar for zope.wheelbuilder from gravatar.com zope.wheelbuilder Avatar for zope.wineggbuilder from gravatar.com zope.wineggbuilder

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6.1

6.0

5.2

5.1

5.0

4.11.3

4.11.2

4.11.1

4.11.0

4.10.1

4.10.0

4.9.2

4.9.1

4.9.0

4.8.0

4.7.3

4.7.2

4.7.1

4.7.0

4.6.1

4.6.0

4.5.1

4.5.0

4.4.1

4.4.0

4.3.2

4.3.1

4.3.0

4.2.0

4.1.4

4.1.3

4.1.2

4.1.1

4.1.0

4.0.8

4.0.7

This version

4.0.6

4.0.5

4.0.4

4.0.3

4.0.2

4.0.1

4.0.0

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