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IndexedCatalog

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IndexedCatalog

http://www.async.com.br/projects/indexedcatalog/
IndexedCatalog provides indexing and allows queries for objects based on attributes. Which is accomplished by indexing all fields by type (string/integer/float) and by a simple query language. The IndexedCatalog does not require any additional extensions apart from the ZODB, and it made for applications that use StandaloneZODB and not Zope. It is completely untested with Zope at this time. Features:

  • Provides a Shelf, which aggregates queries and is a front-end to all IC features.
  • Provides a Catalog class that stores objects and offers a query interface.
  • Provides Indexes for Strings, Floats, Integers, Dates and Instances.
  • Requires very little change to objects for catalogs and indexes to work: basically inherit from IndexedCatalog.IndexedObject, add some special attributes to the Classes, and use catalog.insert() to add the instances to the catalogs.
  • Supports composite objects, initializing and indexing sub-objects automatically.
  • Supports queries by type, and allows querying sub-object or referenced object attribute values.
  • Allows ordering query results by field, both ascending and descending.
  • Using Distutils means miminal effort to install.

"IRC irc://irc.freenode.net/async " IRC Help channel
irc://irc.freenode.net/async




Licensing

LicenseVerified byVerified onNotes
LGPLv2.1orlaterKelly Hopkins27 October 2009



Leaders and contributors

Contact(s)Role
Johan Dahlin Maintainer


Resources and communication

Audience Resource type URI
General Mailing List Info/Archive http://www.async.com.br/pipermail/indexedcatalog
Developer Download http://async.com.br/projects/IndexedCatalog/dist/
Bug Tracking Bug Tracking http://bugs.async.com.br/enter_bug.cgi?product=IndexedCatalog
General Mailing List Subscribe http://www.async.com.br/mailman/listinfo/indexedcatalog


Software prerequisites

This entry (in part or in whole) was last reviewed on 27 October 2009.



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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

The copyright and license notices on this page only apply to the text on this page. Any software or copyright-licenses or other similar notices described in this text has its own copyright notice and license, which can usually be found in the distribution or license text itself.


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