Eventlet based url timer

eventlet_url_loader.py

import time
from eventlet import coros
from eventlet.green import urllib2

def fetch(url):
    print "%s fetching %s" % (time.asctime(), url)
    data = urllib2.urlopen(url)
    print "%s fetched %s" % (time.asctime(), data.read())

def load(url, pool_size):
    pool = coros.CoroutinePool(max_size=pool_size)
    waiters = []
    start = time.time()
    for i in range(1, pool_size):
        waiters.append(pool.execute(fetch, url))

    for waiter in waiters:
        waiter.wait()
    end = time.time()
    print "Time taken for %s requests is %.8f seconds" %(pool_size, end - start)


if __name__ == '__main__':
    load("http://localhost:9999", 100)