Upgrade between the different versions of Silva CMS
This feature is available in the Zope management interface on the service_extensions service, or via the command line tool silva and the option update.
You can find the code of this extension in Git: https://github.com/silvacms/silva.core.upgrade
Convert Silva File and Silva Image to Silva Ghost Asset if they are located inside a valid Silva Ghost Folder and the original files exists.
Support upgrade of ExtFile based files to blob storage.
Add upgrade for silva.core.editor to 3.0.3.
Improve upgrade commands by adding the support for partial upgrade and upgrade selection using tags.
Rewrite upgrader registry to optimize upgrade speed.
Add upgraders to Silva 3.0c1.
Fix upgrade from Silva 2.1 to 3.0.
Add upgraders to Silva 3.0b1.
Remove old upgraders before 2.1.
Base the command script on silva.system.utils.
Extension upgraders (SilvaFind, SilvaNews) moved to theirs respective extensions.
Add upgraders to Silva 2.3b2.
Improve the silvaupdate script with new options: --from-version, --debug and --list.
Improve upgraders to Silva 2.2.
Add upgraders to Silva 2.3.
Update code to be compliant with Python 2.6 and Zope 2.12.
Add a command line tool silvaupdate to do upgrades on a non-running Zope instance.
Keep upgrades log in a temporary file.
Initial release after spliting from Silva.
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