def parse(self):
        # get all the normal parsing done (switches etc)
        super(ObjManipCommand, self).parse()

        obj_defs = ([], [])    # stores left- and right-hand side of '='
        obj_attrs = ([], [])  #                   "

        for iside, arglist in enumerate((self.lhslist, self.rhslist)):
            # lhslist/rhslist is already split by ',' at this point
            for objdef in arglist:
                aliases, option, attrs = [], None, []
                if ':' in objdef:
                    objdef, option = [part.strip() for part in objdef.rsplit(':', 1)]
                if ';' in objdef:
                    objdef, aliases = [part.strip() for part in objdef.split(';', 1)]
                    aliases = [alias.strip() for alias in aliases.split(';') if alias.strip()]
                if '/' in objdef:
                    objdef, attrs = [part.strip() for part in objdef.split('/', 1)]
                    attrs = [part.strip().lower() for part in attrs.split('/') if part.strip()]
                # store data
                obj_defs[iside].append({"name":objdef, 'option':option, 'aliases':aliases})
                obj_attrs[iside].append({"name":objdef, 'attrs':attrs})

        # store for future access
        self.lhs_objs = obj_defs[0]
        self.rhs_objs = obj_defs[1]
        self.lhs_objattr = obj_attrs[0]
        self.rhs_objattr = obj_attrs[1]
We need to expand the default parsing to get all
dataset/ETHPy150Open evennia/evennia/evennia/commands/default/building.py/ObjManipCommand.parse