Python异步任务队列,python异步队列,#!/usr/bin/e
#!/usr/bin/env python# -*- coding: UTF-8 -*-import loggingimport queueimport threadingdef func_a(a, b): return a + bdef func_b(): passdef func_c(a, b, c): return a, b, c# 异步任务队列_task_queue = queue.Queue()def async_call(function, callback, *args, **kwargs): _task_queue.put({ 'function': function, 'callback': callback, 'args': args, 'kwargs': kwargs })def _task_queue_consumer(): """ 异步任务队列消费者 """ while True: try: task = _task_queue.get() function = task.get('function') callback = task.get('callback') args = task.get('args') kwargs = task.get('kwargs') try: if callback: callback(function(*args, **kwargs)) except Exception as ex: if callback: callback(ex) finally: _task_queue.task_done() except Exception as ex: logging.warning(ex)def handle_result(result): print(type(result), result)if __name__ == '__main__': t = threading.Thread(target=_task_queue_consumer) t.daemon = True t.start() async_call(func_a, handle_result, 1, 2) async_call(func_b, handle_result) async_call(func_c, handle_result, 1, 2, 3) async_call(func_c, handle_result, 1, 2, 3, 4) _task_queue.join()#该片段来自于http://byrx.net
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