I went with this decorator in the end, works a treat! https://github.com/jjgreen/mvpoly/blob/master/src/python/mvpoly/util/cached_property.py https://github.com

I went with this decorator in the end, works a treat! https://github.com/jjgreen/mvpoly/blob/master/src/python/mvpoly/util/cached_property.py https://github.com/jjgreen/mvpoly/blob/master/src/python/mvp...