gevent_demo.py

#!/user/bom/env python
# coding=utf8
# author=dave
# create=20150501
import time
import gevent
import requests

import gevent.monkey
gevent.monkey.patch_socket()


def fetch(pid, url):
    req = requests.get(url)
    status = req.status_code
    print "[+] Process %s: %s %s" % (pid, url, status)
    return pid, url, status


def asynchronous():
    i = 0
    jobs = []
    url = 'http://www.zhihu.com'
    for i in range(0, 5000):
        jobs.append(gevent.spawn(fetch, i, url))
    gevent.joinall(jobs)

if __name__ == "__main__":
    start_time = time.time()
    asynchronous()
    print "[*] Total Time Consumption: " + str(time.time() - start_time)