python协程io自动切换--gevent

import gevent

def func1():
    print(‘func1 start‘)
    gevent.sleep(2)
    print(‘func1 end‘)

def func2():
    print(‘func2 start‘)
    gevent.sleep(1)
    print(‘func2 end‘)

def func3():
    print(‘func3 start‘)
    gevent.sleep(0)
    print(‘func3 end‘)

if __name__==‘__main__‘:
    gevent.joinall([
        gevent.spawn(func1),
        gevent.spawn(func2),
        gevent.spawn(func3),

    ])

>>:
func1 start
func2 start
func3 start
func3 end
func2 end
func1 end       

python协程io自动切换--gevent

原文：http://blog.51cto.com/13803166/2140370