zxo> import Queue
zxo> b = Queue.Queue(0)
zxo> b.put(9999)
zxo> b.get() # this is ok, it pops out 9999
zxo> b.get() # this one does not return anything and is hang on there
zxo> Anybody knows what is going on with the second b.get()?
Queue objects are meant to be used in a multithreaded application. By
default, when the Queue is empty, a consumer calling get() will block until
a producer put()s something else into it. From the documentation:
get([block[, timeout]])
Remove and return an item from the queue. If optional args block is
true and timeout is None (the default), block if necessary until an
item is available....
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