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Helper modules for TextIndexNG3 (Snowball stemmer, normalizer, splitter, etc.)

Project description


zopyx.txng3.ext is written by Andreas Jung for ZOPYX Ltd. & Co. KG, Tuebingen, Germany.


  • TextIndexNG 3 is published under the Zope Public License V 2.1 (see ZPL.txt) Other license agreements can be made. Contact us for details (
  • TextIndexNG 3 ships with a copy of the Snowball code ( for implementing stemming. This code is (C) 2001, Dr. Martin Porter and published under the BSD license.
  • TextIndexNG3 ships with the python-levenshtein extension written by David Necas und published under the GNU Public License (GPL).

Supported Python versions

  • Python 2.7
  • Python 3.4
  • Python 3.5
  • Python 3.6
  • PyPy


Andreas Jung/ZOPYX
D-72074 Tuebingen, Germany
E-mail: info at zopyx dot com


4.0.0 (2017/05/22)

  • Added support for Python 3.4, 3.5 and 3.6.

3.4.0 (2016/02/02)

3.3.7 (2014/09/05)

  • Fix missing namespace declaration on ext``level in `` and avoid recent setuptools to spit and fail.

3.3.5 (2014/07/13)

3.3.2 (2010/03/10)

  • applied patch for bug #2964362 (fixing several crashes)

3.3.1 (2009/03/15)

  • compabitlity with Python 2.4-2.6

3.3.0 (2009/03/15)

  • refactored and re-released as zopyx.txng3.ext

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