Is Queue.Queue.queue.clear() thread-safe?

[Russell Warren]

I'm guessing no, since it skips down through any Lock semantics, but
I'm wondering what the best way to clear a Queue is then.

Esentially I want to do a "get all" and ignore what pops out, but I
don't want to loop through a .get until empty because that could
potentially end up racing another thread that is more-or-less blindly
filling it asynchronously.

Worst case I think I can just borrow the locking logic from Queue.get
and clear the deque inside this logic, but would prefer to not have to
write wrapper code that uses mechanisms inside the object that might
change in the future.

Also - I can of course come up with some surrounding architecture to
avoid this concern altogether, but a thread-safe Queue clear would do
the trick and be a nice and short path to solution.

If QueueInstance.queue.clear() isn't thread safe... what would be the
best way to do it?  Also, if not, why is the queue deque not called
_queue to warn us away from it?

Any other comments appreciated!

Russ