Binary package “python-zope.index” in ubuntu trusty

Indices for using with catalog like text, field, etc.

 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.)