I’ve just uploaded some files onto http://dev.osdrawer.net/projects/perl-haiku-kits/files They are minimal implementations (window with a button) for Perl and Python. The Perl one works fine, but I’m still having issues with the Python.
This is a companion discussion topic for the original entry at https://www.haiku-os.org/blog/jalopeura/2011-06-24_language_bindings_c_api_python_partially_working/