The Open Forcefield Toolkit provides implementations of the SMIRNOFF format, parameterization engine, and other tools. Documentation available at http://open-forcefield-toolkit.readthedocs.io
If multiple parameters have identical SMIRKS, this will make __getitem__ calls return the LAST instance in the ParameterList/ParameterHandler (rather than the first)
Adds named argument ParameterHander.add_parameter(..., allow_duplicates=True)
__getitem__
calls return the LAST instance in the ParameterList/ParameterHandler (rather than the first)ParameterHander.add_parameter(..., allow_duplicates=True)