class?QueueObject():

????def?__init__(self,?queue,?auto_get=False):

????????self._queue?=?queue

????????self.object?=?self._queue.get()?if?auto_get?else?None

????def?__enter__(self):

????????if?self.object?is?None:

????????????self.object?=?self._queue.get()

????????return?self.object

????def?__exit__(self,?Type,?value,?traceback):

????????if?self.object?is?not?None:

????????????self._queue.put(self.object)

????????????self.object?=?None

????def?__del__(self):

????????if?self.object?is?not?None:

????????????self._queue.put(self.object)

????????????self.object?=?None

def?main():

????try:

????????import?queue

????except?ImportError:??#?python?2.x的兼容性

????????import?Queue?as?queue

????def?test_object(queue):

????????queue_object?=?QueueObject(queue,?True)

????????print('內(nèi)部?func:?{}'.format(queue_object.object))

????sample_queue?=?queue.Queue()

????sample_queue.put('yam')

????with?QueueObject(sample_queue)?as?obj:

????????print('Inside?with:?{}'.format(obj))

????print('Outside?with:?{}'.format(sample_queue.get()))

????sample_queue.put('sam')

????test_object(sample_queue)

????print('外部?func:?{}'.format(sample_queue.get()))

????if?not?sample_queue.empty():

????????print(sample_queue.get())

if?__name__?==?'__main__':

????main()