def copy_only(self, src, names):
        dst = self.copy_none(src)
        for name in names:
            try:
                value = getattr(src, name)
            except __HOLE__:
                continue
            setattr(dst, name, value)
        return dst
dataset/ETHPy150Open ctxis/canape/CANAPE.Scripting/Lib/rexec.py/RExec.copy_only