crys.py 文件源码

def copy(self):
        """Return a copy of the inctance."""
        if self.is_struct:
            obj = Structure(set_all_auto=False)
        elif self.is_traj:
            obj = Trajectory(set_all_auto=False)
        # Copy attrs over
        for name in self.attr_lst:
            val = getattr(self, name)
            if val is None:
                setattr(obj, name, None)
            # dict.copy() is shallow, use deepcopy instead    
            elif hasattr(val, 'copy') and not isinstance(val, types.DictType):
                setattr(obj, name, val.copy())
            else:
                setattr(obj, name, copy.deepcopy(val))
        return obj