image.py 文件源码

def __end_state_update(self):
                """Called when we're done updating the image catalog."""

                # get the path to the image catalog update flag file
                pathname = self.__state_updating_pathname()

                # delete the flag file.
                try:
                        portable.remove(pathname)
                except EnvironmentError as e:
                        if e.errno == errno.EACCES:
                                raise apx.PermissionsException(e.filename)
                        if e.errno == errno.EROFS:
                                raise apx.ReadOnlyFileSystemException(
                                    e.filename)
                        raise