python gevent网络库

例子：

import gevent
from gevent import monkey
import urllib2
from gevent.pool import Pool
import datetime,sys

def resquest01():
    print "resquest start..."
    for i in threads:
        print i
    thread1 = int(threads[0])
    print type(thread1)
    print "thread1"
    print thread1
    print "thread1"
    for n in  loops:
        print n
    loop1 = int(loops[0])
    print type(loop1)
    print "loop1"
    print loop1
    print "loop1"
    print('Running in foo')
    gevent.sleep(0)
    print('Explicit context switch to foo again')
    #start_time = time.ctime()
    #print start_time
    urls = ['http://10.154.156.238:8000'] * loop1
    pool = Pool(thread1)
    print pool.map(download,urls)
    #end_time = time.ctime()
    #print end_time
    print '-------------------------------------------------------'
def resquest02():
    print "resquest start..."
    for i in threads:
        print i
    thread2 = int(threads[1])
    print type(thread2)
    print "thread2"
    print thread2
    print "thread2"
    for n in  loops:
        print n
    loop2 = int(loops[1])
    print type(loop2)
    print "loop2"
    print loop2
    print "loop2"
    print('Explicit context to bar')
    gevent.sleep(0)
    print('Implicit context switch back to bar')
    urls = ['http://10.154.156.238:8000/error'] * loop2
    pool = Pool(thread2)
    print pool.map(download,urls)
def download(urls):
    start_time = datetime.datetime.now()
    print start_time
    try:
        respones = urllib2.urlopen(urls)
        code = respones.getcode()
        print code
    except urllib2.HTTPError,e:
        print e.code
    end_time = datetime.datetime.now()
    print end_time
    elapsed_time = (start_time - end_time).seconds
    print 'elapsed_time:' + str(elapsed_time)
    #return urllib2.urlopen(urls).read()

#gevent.joinall([gevent.spawn(foo),gevent.spawn(bar),])
if __name__ == '__main__':
    print "start testing..."
    origin = sys.argv[1:]
    print origin
    threads1 = 1
    print type(threads1)
    threads2 = 2
    print type(threads2)
    global loops,threads,urls
    loops = []
    threads = []
    urls = []
    for index, i in enumerate(origin):
        if index % 3 == 2:
            print 'index is %d, i is %s' % (index,i)
            loops.append(i)
        if index % 3 == 1:
            print 'index is %d ,i is %s' % (index,i)
            threads.append(i)
        if index % 3 == 0:
            print 'index is %d , i is %s' % (index,i)
            urls.append(i)
    print loops
    print threads
    print urls
    print "main() end..."
        #loop = i
        #print loop


    gevent.joinall([gevent.spawn(resquest01),gevent.spawn(resquest02),])