You should be able to query in the wiki schema to get this. You would want to query the body property of the comm.pageversions table joined to the comm.pages table to identify the current version of each page.

Property descirptors should be identified by unchanging URIs (not technically URLs) so don't update those, but the url property used to generate URLs in columns might be interesting to look at. It's likely all of those are in your custom module, however.