Re: https://firmwaresecurity.com/2018/03/20/intel-implementing-micropython-as-a-uefi-test-framework/
MicroPython for UEFI systems is available, see Brian’s edk2-devel list posting and the Tianocore wiki for more details:
https://lists.01.org/pipermail/edk2-devel/2018-August/028339.html
https://github.com/tianocore/edk2-staging/tree/MicroPythonTestFramework
https://github.com/tianocore/edk2-staging/tree/MicroPythonTestFramework/MicroPythonPkg
https://github.com/tianocore/edk2-staging/tree/MicroPythonTestFramework/MpyTestFrameworkPkg