Module ChemicalFeatures

Construct a feature factory given a feature definition in a file
C++ signature:
    BuildFeatureFactory(std::string) -> RDKit::MolChemicalFeatureFactory*

Construct a feature factory given a feature definition block
C++ signature:
    BuildFeatureFactoryFromString(std::string) -> RDKit::MolChemicalFeatureFactory*

Returns an empty list if any of the features passed in share an atom.
 Otherwise a list of lists of atom indices is returned.

C++ signature:
    GetAtomMatch(boost::python::api::object featMatch, int maxAts=1024) -> boost::python::api::object