Thread:Project:Support desk/Join two files like href and img src in HTML by means of Wiki markup?/reply

I don't think it gets better than what you're suggesting in the end. Two links with to generate an external link and feed it to the   parameter of the first link.

If you need this in many places you could create a template:

[[Media:|]] And use  to create:

[[Media:Python_Programming.pdf|Python Programming]]