Pose units are broken in 1.1.0 for collada. There are known bugs such as
http://bugtracker.makehumancommunity.org/issues/1025Anyway, you're in a bind if you need functionality which is driven by python scripts, but cannot enable python scripts. I very much doubt you'll ever be able to "apply" a python script such as you would with a modifier.
You can have a rig as such without python. But you cannot have python-scripted intelligent functionality for that rig without python.
For specific functionality I guess you could ask in the MHX forum if there's a workaround though.