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python队列+多线程demo

大梦初醒lf 219

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#!/usr/bin/python3import requestsimport loggingimport timeimport sysfrom queue import Queuefrom concurrent.futures import ThreadPoolExecutor, wait, as_completed, ALL_COMPLETEDimport threadingq = Queue(maxsize=100)def print_time():    return time.time()def post_influxdb(dbname,host='localhost',port='8086'):    while True:        # if q.empty():        #     print(print_time(),"q is empty, exit !")        #     break        data = q.get(timeout=1)        q.task_done()        if not data:            print(print_time(),"q is empty, exit !")        data_row = data[0]        task_id = data[1]        url = f"http://{host}:{port}/write?db={dbname}"        try:            r = requests.post(url=url,data=data_row)            if r.status_code >= 400:                print([print_time(),task_id,r.status_code, r.text])                if r.status_code == 404:                    raise InterruptedError                return False            # print([print_time(),task_id,r.status_code, r.text])        except Exception as e:            print([print_time(),task_id,str(e)[0:100]])    # 读取文件放入队列def read_file(file_path):    with open(file_path,'r') as file:         counter = 0        for line in file:            # time.sleep(5)            # if q.full():            #     print(f"{print_time()} 队列满,等待中.......{counter}")            #     time.sleep(1)            q.put((line,counter,))            counter = counter + 1def main(file_path,dbname,max_workers=5):    read_thread = threading.Thread(target=read_file,args=(file_path,))    read_thread.start()    with ThreadPoolExecutor(max_workers=max_workers) as executor:        task_list = [ executor.submit(post_influxdb,dbname) for i in range(max_workers)]    q.join()    wait(task_list,return_when=ALL_COMPLETED)    read_thread.join()if __name__ == "__main__":    # args = sys.argv    # print(args)    file_path = "./python_notes/influxdb/data.txt"    dbname = "test"    t1 = time.time()    max_workers = 10    main(file_path=file_path,dbname=dbname,max_workers=max_workers)    print("耗时(s):",time.time() - t1)

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