socket and argparse

<!-- lang: python -->
import argparse
import socket
import sys 

def check_server(ip, port):
    s = socket.socket()
    print "Attempt to connect to %s port is %s" % (ip, port)

    try:
        s.connect((ip, port))
        s.send("GET / HTTP 1.0\n\n")
        print 'Connected to ip : %s, port is : %s' % (ip, port)
        return True
    except Exception, e:
        print 'Connect to ip %s ,port %s failed : %s' % (ip, port, e)
    finally:
        s.close()

    return False



if __name__ == '__main__':
    parser = argparse.ArgumentParser(description='connect to ip:port')
    parser.add_argument('-a', '--adress', dest='adress', default='localhost',            help='ADRESS for server', metavar='ADRESS')
    parser.add_argument('-p', '--port', dest='port', type=int, default=80, help='PORT for adress', metavar='PORT')
    args = parser.parse_args()

    print 'adress : %s, port : %s' % (args.adress, args.port)
    check_server = check_server(args.adress, args.port)
    print 'check_server return %s' % check_server
    sys.exit(not check_server)