[issue17985] multiprocessing Queue.qsize() and Queue.empty() with different results

2013-05-15 Thread Andre Dias
New submission from Andre Dias: The problem is that Queue.empty() is True even if Queue.qsize()>0! #!/usr/bin/python from multiprocessing import Queue numbers=Queue() for i in range (0,10): numbers.put(i) if numbers.qsize()>0 and numbers.empty(): print "BUG?!" -

[issue17985] multiprocessing Queue.qsize() and Queue.empty() with different results

2013-05-15 Thread Andre Dias
Andre Dias added the comment: But qsize() is working. what is not working is empty() 2013/5/15 Richard Oudkerk > > Richard Oudkerk added the comment: > > >From the docs: > > qsize() > Return the approximate size of the queue. Because of > multithreadin

[issue17985] multiprocessing Queue.qsize() and Queue.empty() with different results

2013-05-15 Thread Andre Dias
Andre Dias added the comment: RIchard, But the example program has no races, no threads, nothing. empty() is returning TRUE even though qsize() is >0 (which actually is) And it happens almost every time I run that small example. I had read the module doc, and I know its an unreliable met