python 协程 第三方greenlet

1. greenlet

自行执行的微线程

https://greenlet.readthedocs.io/en/latest/greenlet.html

 

2. 终端安装

pip install greenlet

 

3. 举个栗子

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import time from greenlet import greenlet   def work1():     while True:         print("executing work1......")         time.sleep(0.5)         g2.switch()     def work2():     while True:         print("executing work2......")         time.sleep(0.5)         g1.switch()   if __name__ == '__main__':     g1 = greenlet(work1)     g2 = greenlet(work2)     g1.switch()resultexecuting work1......executing work2......executing work1......executing work2......executing work1......executing work2......executing work1......executing work2......