Verify the remote port open

usocket.py

class Connect:
    def __init__(self, ip, port):
        self.ip = ip
        self.port = port

    def verify(self):
        import socket
        client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        try:
            client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
            client_socket.connect((self.ip, self.port))
            if client_socket.send('\n') == 1:
                return True
            else:
                return False
        except socket.error:
            return False
        finally:
            client_socket.close()

if __name__ == "__main__":
    f = open('ip_ports', 'r')
    for line in f.readlines():
        line.strip()
        print line
        (ip, port) = line.split()
        port = int(port)
        connection = Connect(ip, port)
        if not connection.verify():
            print ("%s:%d  closed" % (ip, port))
        else:
            print ("%s:%d  open" % (ip, port))
    f.close()