协程

[https://www.bilibili.com/read/cv846395 ]
[https://www.cnblogs.com/zhangxinqi/p/8337207.html]

def gevent_fun():
    from gevent import monkey
    monkey.patch_all(socket=True,select=True)
    from gevent.pool import Pool
    gevent_pool = Pool(800)
    urls = [urlx for i in range(1000000)]
    gevent_pool.map(fun, urls)

======================

from gevent import monkey;

monkey.patch_all()
import gevent, requests

def get_page(url):
    ret = requests.get(url).text
    print(ret)


# g1 = gevent.spawn(get_page, 'http://www.openstack.org')
g2 = gevent.spawn(get_page, 'https://www.python.org')
g3 = gevent.spawn(get_page, 'http://www.sina.com.cn/')
gevent.joinall([g2, g3])