You want to be able to convert an object of OriginCls to DestinationCls and viceversa. ClassMapper allows you to define "mappers" - functions that explicitly convert an object of a class A to a new ...
pybox2d is available on conda-forge with the package name pybox2d. To create a new conda environment with pybox2d, run the following: $ conda create -n pybox2d -c conda-forge python=3.6 pybox2d $ ...