doc/announce.en.txt
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Thu, 19 May 2011 10:53:17 +0200
changeset 7399 972ed1843bd8
parent 314 a93da6d88d4e
child 11336 96b1dc702e92
permissions -rw-r--r--
[multi-sources] support for moving an entity from an external source (closes #343818) Original need is to move a user from a ldap source to the system source so we can delete it from ldap without loosing information into the cubicweb instance. We can't wait for the user to be deleted from the ldap since it will be too late then to get back user attributes, so it has to be a manual operation to operate before actual deletion. This makes sense for other sources as well. So the idea is to make the "Any cw_source CWSource" relation editable by managers, and to watch changes of it. We then check the move is possible (ie from an external source to the system source) and do necessary stuff (essentially changing source information and copying data into the system source). Remaining pb is that we don't want the moved entity to be reimported later. To distinguish this state, the trick is to change the associated record in the 'entities' system table with eid=-eid while leaving other fields unchanged, and to add a new record with eid=eid, source='system'. External source will then have consider case where `extid2eid` return a negative eid as 'this entity was known but has been moved, ignore it'. Notice no ui is provided yet, it has currently to be done in a c-c shell.
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.. -*- coding: utf-8 -*-
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The development team is pleased to announce the 3.0.0 release of CubicWeb, also
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know as ShowTime.
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What is CubicWeb?
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-----------------
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With CubicWeb, the Semantic Web is a construction game!
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CubicWeb_ is a semantic web application framework, licensed under the LGPL, that
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empowers developers to efficiently build web applications by reusing components
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(called cubes) and following the well known object-oriented design principles.
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Its main features are:
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    * an engine driven by the explicit data model of the application,
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    * a query language named RQL similar to W3C’s SPARQL,
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    * a selection+view mechanism for semi-automatic XHTML/XML/JSON/text generation,
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    * a library of reusable components (data model and views) that fulfill common needs,
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    * the power and flexibility of the Python programming language,
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    * the reliability of SQL databases, LDAP directories, Subversion and Mercurial for storage backends.
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Being built since 2000 by an R&D project still going on today, supporting
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100,000s of daily visits at some production sites, CubicWeb is a proven end to
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end solution for semantic web application development that promotes quality,
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reusability and efficiency.
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The unbeliever will read the quick overview_ of CubicWeb.
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The hacker will join development at the forge_.
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The impatient will move right away to installation_ and set-up of a CubicWeb
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environment.
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.. _cubicweb: http://www.cubicweb.org/
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.. _overview: http://www.cubicweb.org/doc/en/A020-tutorial.en.html#overview
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.. _forge: http://www.cubicweb.org/project?vtitle=All%20cubicweb%20projects
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.. _installation: http://www.cubicweb.org/doc/en/C010-setup.en.html#miseenplaceenv
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Home page
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http://www.cubicweb.org/
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Download
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--------
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http://ftp.logilab.org/pub/cubicweb/
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Mailing list
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http://lists.cubicweb.org/mailman/listinfo/cubicweb