【python】gevent协程例子

#!/usr/bin/env python
#coding=utf-8

from gevent import monkey; monkey.patch_socket()
import gevent.pool
import gevent

def do_something(ip):  #在io时协程自动切换
#request ip
pass

def main():
pool = gevent.pool.Pool(1000)
f = open("a_lot_of_ip.json", "r")
g = []
for d in f.readlines():
ip = d
pool.add(gevent.spawn(do_something, ip))
f.close()
pool.join()

if __name__ == "__main__":
main()