pool.py 文件源码

def _start(self, *args, **kwargs):
        new_pos = args[0]
        if operator.isSequenceType(new_pos):
            new_pos = new_pos[0]
        try:
            self.write_attribute('position', new_pos)
        except DevFailed, df:
            for err in df:
                if err.reason == 'API_AttrNotAllowed':
                    raise RuntimeError('%s is already moving' % self)
                else:
                    raise
        self.final_pos = new_pos