There is an actively developed python to ocaml interop library for purposes quite similar to yours. I have seen demos where ocaml and python are used within the

There is an actively developed python to ocaml interop library for purposes quite similar to yours. I have seen demos where ocaml and python are used within the same jupyter notebook https://signalsandthreads.com/python-ocaml-and-machine-learning/ https://signalsandthreads.com/python-ocaml-and-machine-learn... https://github.com/thierry-martinez/pyml https://github.com/thierry-martinez/pyml