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| from queue import Queue | |
| from threading import Thread | |
| class GeneratedQueue(Queue): | |
| def __init__(self, generator=None): | |
| super(GeneratedQueue, self).__init__() | |
| try: | |
| self.generator = iter(generator) | |
| except TypeError: | |
| self.generator = generator() | |
| def each(self): | |
| try: | |
| self.put(next(self.generator)) | |
| except StopIteration: | |
| pass | |
| while not self.empty(): | |
| yield self.get() | |
| self.task_done() | |
| try: | |
| self.put(next(self.generator)) | |
| except StopIteration: | |
| pass | |
| def do_work(item): | |
| print('too EZ', item) | |
| def worker(): | |
| for item in q.each(): | |
| do_work(item) | |
| print('stop') | |
| def generator(): | |
| for i in range(11): | |
| yield i | |
| q = GeneratedQueue(generator) | |
| num_worker_threads = 4 | |
| for i in range(num_worker_threads): | |
| t = Thread(target=worker) | |
| t.daemon = True | |
| t.start() | |
| q.join() | |
| print('finish') | |
| q = GeneratedQueue([1,2,4]) | |
| num_worker_threads = 4 | |
| for i in range(num_worker_threads): | |
| t = Thread(target=worker) | |
| t.daemon = True | |
| t.start() | |
| q.join() | |
| print('finish') |
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