Forum OpenACS Development: Un-set Tcl procedures upon package uninstall

Hi,

It has come to my awareness that there might be a need for a package to be able to un-define its Tcl procs when it is being uninstalled from the system. I noticed this problem when I uninstalled the curriculum package on our test server, and there was a server error all of a sudden ... This error occured because I hadn't followed up the removal with a server restart. The default-master thinks that the bar should still be included on each page since it concludes there's still a proc by the name curriculum::get_bar around, although it's not. The bar gets included, calls a missing proc, and all hell breaks loose :'( ...

What would be the best solution here?

(After a server restart the problem goes away, since the proc is then gone.)

Okay. That proc calls a probably very speedy query, but keep in mind that it will run on all pages that call the default master. I am worrying that it will be too slow on busy sites... Sure, it will be a drop in the ocean compared to the bar and its registered procedure(s), but OTOH, the curriculum package will not be installed on the average installation so it might be a lot of querying for nothing.

Actually that function is cached so calling it should be fine ...