def load_cml(cml_filename):
parser = make_parser()<EOL>parser.setFeature(feature_namespaces, <NUM_LIT:0>)<EOL>dh = CMLMoleculeLoader()<EOL>parser.setContentHandler(dh)<EOL>parser.parse(cml_filename)<EOL>return dh.molecules<EOL>
Load the molecules from a CML file

       Argument:
        | ``cml_filename``  --  The filename of a CML file.

       Returns a list of molecule objects with optional molecular graph
       attribute and extra attributes.