nxt # Wait for the timer to run out. 6.1.4 Queue example - a concurrent web spider Tornado’s tornado.queues module (and the very similar Queue classes in asyncio) implements an asynchronous producer / coroutine in line waiting for acquire gets the lock. If not locked, raise a RuntimeError. 6.5.3 tornado.queues – Queues for coroutines Added in version 4.2. Asynchronous queues for coroutines. These classes DocumentationTornado Documentation, Release 6.5.1 import asyncio from tornado.ioloop import IOLoop from tornado.queues import Queue q = Queue(maxsize=2) async def consumer(): async for item in q: try: print('Doing

concurrency tornado.gen — Generator-based coroutines tornado.locks – Synchronization primitives tornado.queues – Queues for coroutines tornado.process — Utilities for multiple processes Integration with # Wait for the timer to run out.Queue example - a concurrent web spider Tornado’s tornado.queues module (and the very similar Queue classes in asyncio [https://docs.python.org/3/library/asyncio BoundedSemaphore.release() BoundedSemaphore.acquire() Lock Lock Lock.acquire() Lock.release()tornado.queues – Queues for coroutines Classes Queue Queue Queue.maxsize Queue.qsize() Queue.put() Queue