I've seen instances where qsize() and len() has been used to compute the size of the queue. What is the distinction between the two?
2 Answers
For most containers, you'll want len, but Queue.Queue doesn't actually support len. This may be because it's old or because getting the length of a queue in a multithreaded environment isn't particularly useful. In any case, if you want the (approximate) size of a Queue, you want qsize.
queue.qsize() doesn't return the number of bytes in the queue. It returns the number of "things" placed in the queue.
If you put 5 byte-arrays of 100 bytes in the queue, the qsize() will be 5, not 500.
