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Upgrade from Omeka Classic

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Upgrade from Omeka Classic is a module for Omeka Semantic that allows to reuse a theme built for Omeka 2 and upgraded via the plugin Upgrade to Omeka Semantic.

Furthermore, it adds a route for old urls items/show/#id to the new format item/#id and redirects them to the items of the specified site of Omeka S, and the same for collections, files and home page.

If the theme was not upgraded, this module is useless.

For more information about the upgrade, see Upgrade to Omeka Semantic. See a full list of modules and themes for Omeka S.


Uncompress files and rename module folder UpgradeFromOmekaClassic.

Then install it like any other Omeka module and follow the config instructions.


If you change the slug of the main site, don’t forget to set it in the config file config/module.config.php.


As a compatibility layer, some visual glitches and bugs may subsist, in particular when the theme is heavily customized.

You may check the themes and change the main layout and each view in order to replace old Omeka Classic functions by Omeka S ones. See the official themes to discover the new methods, or check the integrated views in application/view-admin and application/view-shared.

If you use a new theme, you don’t need this plugin.


Use it at your own risk.

It’s always recommended to backup your files and your databases and to check your archives regularly so you can roll back if needed.


See online issues on the module issues page on GitHub.


This plugin is published under the CeCILL v2.1 licence, compatible with GNU/GPL and approved by FSF and OSI.

In consideration of access to the source code and the rights to copy, modify and redistribute granted by the license, users are provided only with a limited warranty and the software’s author, the holder of the economic rights, and the successive licensors only have limited liability.

In this respect, the risks associated with loading, using, modifying and/or developing or reproducing the software by the user are brought to the user’s attention, given its Free Software status, which may make it complicated to use, with the result that its use is reserved for developers and experienced professionals having in-depth computer knowledge. Users are therefore encouraged to load and test the suitability of the software as regards their requirements in conditions enabling the security of their systems and/or data to be ensured and, more generally, to use and operate it in the same conditions of security. This Agreement may be freely reproduced and published, provided it is not altered, and that no provisions are either added or removed herefrom.


Current maintainers:

  • Daniel Berthereau (see Daniel-KM on GitHub)


  • Copyright Daniel Berthereau, 2017


Module for Omeka Semantic that allows to reuse a theme built for Omeka 2 and upgraded via the plugin "Upgrade to Omeka Semantic".





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