When I was submitting a few years ago and having a similar problem the solution I was recommended by the GRFP support was close to this, a printed and scanned copy of the official transcript. Dumb workaround, but functional.

I find the Record tool (Plugins>Macros>Record) very useful for this, in case it's helpful - do what I need once and then I have some code that is at least a basis for tweaking.

Seconding this! Definitely reach out to Mo!