扫二维码与项目经理沟通
我们在微信上24小时期待你的声音
解答本文疑问/技术咨询/运营咨询/技术建议/互联网交流
import threading
from concurrent import futures
import logging
import time
FORMAT = '%(processName)s %(threadName)s %(process)d %(thread)d %(message)s'
logging.basicConfig(level=logging.INFO, format=FORMAT)
def worker(n):
logging.info('begin to work{}'.format(n))
time.sleep(5)
logging.info('finished {}'.format(n))
executor = futures.ThreadPoolExecutor(max_workers=3)
fs = []
for i in range(3):
future = executor.submit(worker, i)
fs.append(future)
for i in range(3, 6):
future = executor.submit(worker, i)
fs.append(future)
while True:
time.sleep(2)
logging.info(threading.enumerate())
flag = True
for f in fs:
logging.info(f.done)
flag = flag and f.done()
if flag:
executor.shutdown() # 清理池
logging.info(threading.enumerate())
break
# 如果想改成进程，只需要将 ThreadPoolExecutor 改成 ProcessPoolExecutor
# 但是注意，一定要写在 __name__ == '__main__' 代码块下
我们在微信上24小时期待你的声音
解答本文疑问/技术咨询/运营咨询/技术建议/互联网交流
微信二维码
移动版官网