def tagset_mapping(source, target):
 if ((source not in _MAPPINGS) or (target not in _MAPPINGS[source])):
  if (target == u'universal'):
   _load_universal_map(source)
 return _MAPPINGS[source][target]

def tagset_mapping ( source , target ) : if ( ( source not in _MAPPINGS ) or ( target not in _MAPPINGS [ source ] ) ) : if ( target == u'universal' ) : _load_universal_map ( source ) return _MAPPINGS [ source ] [ target ]
retrieve the mapping dictionary between tagsets .