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Metadata-Version: 1.0
Name: zope.index
Version: 3.6.4
Summary: Indices for using with catalog like text, field, etc.
Home-page: http://pypi.python.org/pypi/zope.index
Author: Zope Foundation and Contributors
Author-email: zope-dev@zope.org
License: ZPL 2.1
Description: Overview
        --------
        
        The ``zope.index`` package provides several indices for the Zope
        catalog.  These include:
        
        * a field index (for indexing orderable values),
        
        * a keyword index,
        
        * a topic index,
        
        * a text index (with support for lexicon, splitter, normalizer, etc.)
        
        
        Changes
        =======
        
        3.6.4 (2012-03-12)
        ------------------
        
        - Insure proper unindex behavior if index_doc is called with a empty sequence.
        
        - Use the standard Python doctest module instead of zope.testing.doctest
        
        3.6.3 (2011-12-03)
        ------------------
        
        - KeywordIndex: Minor optimization; use __nonzero__ instead of __len__
          to avoid loading the full TreeSet.
        
        3.6.2 (2011-12-03)
        ------------------
        
        - KeywordIndex: Store docids in TreeSet rather than a Set when the
          number of documents matching a word reaches a configurable
          threshold (default 64). The rule is applied to individual words at
          indexing time, but you can call the new optimize method to optimize
          all the words in an index at once. Designed to fix LP #881950.
        
        3.6.1 (2010-07-08)
        ------------------
        
        - TextIndex:  reuse the lexicon from the underlying Okapi / Cosine
          index, if passed.  (LP #232516)
        
        - Lexicon:  avoid raising an exception when indexing None. (LP #598776)
        
        3.6.0 (2009-08-03)
        ------------------
        
        - Improved test readability and reached 100% test coverage.
        
        - Fixed a broken optimization in okascore.c: it was passing a Python
          float to the PyInt_AS_LONG() macro. This resulted in wrong scores,
          especially on 64 bit platforms, where all scores typically ended up
          being zero.
        
        - Changed okascore.c to produce the same results as its Python
          equivalent, reducing the brittleness of the text index tests.
        
        3.5.2 (2009-06-09)
        ------------------
        
        - Port okascore.c optimization used in okapiiindex from Zope2 catalog
          implementation.  This module is compiled conditionally, based on
          whether your environment has a working C compiler.
        
        - Don't use ``len(self._docweight)`` in okapiindex _search_wids method
          (obtaining the length of a BTree is very expensive at scale).
          Instead use self.documentCount().  Also a Zope2 port.
        
        3.5.1 (2009-02-27)
        ------------------
        
        - The baseindex, okapiindex, and lexicon used plain counters for various
          lengths, which is unsuitable for production applications.
          Backport code from Zope2 indexes which opportunistically replaces the
          counters with BTree.Length objects.
        
        - Backport non-insane version of baseindex._del_wordinfo from
          Zope2 text index.  This improves deletion performance by
          several orders of magnitude.
        
        - Don't modify given query dictionary in the KeywordIndex.apply method.
        
        - Move FieldIndex's sorting functionality to a mixin class so it can
          be reused by zc.catalog's ValueIndex.
        
        3.5.0 (2008-12-30)
        ------------------
        
        - Remove zope.testing from dependencies, as it's not really needed.
        
        - Define IIndexSort interface for indexes that support sorting.
        
        - Implement sorting for FieldIndex (adapted from repoze.catalog/ZCatalog).
        
        - Add an ``apply`` method for KeywordIndex/TopicIndex, making them
          implement IIndexSearch that can be useful in catalog.
        
        - Optimize the ``search`` method of KeywordIndex/TopicIndex by using
          multiunion for the ``or`` operator and sorting before intersection for ``and``.
        
        - IMPORTANT: KeywordIndex/TopicIndex now use IFSets instead of IISets.
          This makes it more compatible with other indexes (for example, when
          using in catalog). This change can lead to problems, if your code somehow
          depends on the II nature of sets, as it was before.
          
          Also, FilteredSets used to use IFSets as well, if you have any
          FilteredSets pickled in the database, you need to migrate them to
          IFSets yourself. You can do it like that:
          
              filter._ids = filter.family.IF.Set(filter._ids)
          
          Where ``filter`` is an instance of FilteredSet.
        
        - IMPORTANT: KeywordIndex are now non-normalizing. Because
          it can be useful for non-string keywords, where case-normalizing
          doesn't make any sense. Instead, it provides the ``normalize``
          method that can be overriden by subclasses to provide some
          normalization.
          
          The CaseInsensitiveKeywordIndex class is now provided that
          do case-normalization for string-based keywords. The old
          CaseSensitiveKeywordIndex is gone, applications should use
          KeywordIndex for that.
        
        Looks like the KeywordIndex/TopicIndex was sort of abadonware
        and wasn't used by application developers, so after some
        discussion we decided to refactor them to make them more
        usable, optimal and compatible with other indexes and catalog.
        
        Porting application from old KeywordIndex/TopicIndex to new
        ones are rather easy and explained above, so we believe that
        it isn't a problem. Please, use zope3-users@zope.org or
        zope-dev@zope.org mailing lists, if you have any problems
        with migration.
        
        Thanks Chris McDonough of repoze for supporting and useful code.
        
        3.4.1 (2007-09-28)
        ------------------
        
        - Fixed bug in package metadata (wrong homepage URL).
        
        3.4.0 (2007-09-28)
        ------------------
        
        No further changes since 3.4.0a1.
        
        3.4.0a1 (2007-04-22)
        --------------------
        
        Initial release as a separate project, corresponds to zope.index from
        Zope 3.4.0a1
        
Platform: UNKNOWN