port_scanner.py

import socket
from utils import timefunc

class Scanner:
    def __init__(self, ip):
        self.ip = ip
        self.open_ports = [];
 #------------------------
    def __repr__(self):
        return 'Scanner: {}'.format(self.ip)


    def add_port(self, port):
        self.open_ports.append(port)

    def scan(self, lowerport, upperport):
        for port in range(lowerport, upperport + 1):
            if self.is_open(port):
                #print(port)
                self.add_port(port)

    def is_open(self, port):
        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        result = s.connect_ex((self.ip, port))
        #print('Port {}:        {}'.format(port, result)) # --PRINTS VERTICAL LIST OF PORTS--
        s.close()
        return result == 0

    def write(self, filepath):
        openport = map(str, self.open_ports) #--CONVERTS TO STRING--
        with open(filepath, 'w') as f:
            f.write('\n'.join(openport)) #--WRITES RESULT TO A FILE--
 #------------------------
@timefunc
def main():
    ip = '192.168.10.666'
    scanner = Scanner(ip)
    scanner.scan(1, 65535)
    scanner.write('./open_ports')
    print(scanner.open_ports)

 #------------------------
if __name__ == '__main__':
    main()