multitester.py 文件源码

def block_until_http_ready(urlstring, wait_time=10, timeout=240):
    "Blocks until server at urlstring can respond to http requests"
    server_ready = False
    t_elapsed = 0
    while not server_ready and t_elapsed < timeout:
        try:
            sys.stdout.write('.')
            sys.stdout.flush()
            req = urllib2.Request(urlstring)
            response = urllib2.urlopen(req)
            #if response.code == 200:
            server_ready = True
        except urllib2.URLError:
            pass
        time.sleep(wait_time)
        t_elapsed += wait_time