Cannot specify multiple Horizon plug-in overrides files

[Richard Hagarty]

Horizon plug-ins wishing to add actions to existing Horizon table or row actions can configure this with an overrides file.

But in local_settings.py, only one 'customization_module' can be processed by Horizon at a time.

Therefore, if two or more plug-ins wish to utilize this feature, only one be activated at a time.

HORIZON_CONFIG = {
    ...
   'customization_module' : 'myplugin.overrides'
}

[Rob Cresswell (robcresswell-deactivatedaccount)]

The overrides file is not intended to be used this way. Generally speaking, the overrides should be used as the last choice for overriding content; for example, you may use it for a specific customer deployment. If plugins need specific extension points these should be added in the horizon code base, not by hacking things with overrides.