use args for python test script

ESPFirewall/app.py

@@ -1,11 +1,36 @@
 import socket
+import sys
+import getopt
+import argparse
 
-sock = socket.socket()
 
-host = "10.93.0.246"
-port = 80
+def main(argv):
+    parser = argparse.ArgumentParser(
+        description='Send socket message to ip and port.')
+    parser.add_argument('-i', '--ip',
+                        default='localhost',
+                        dest='ip',
+                        help='Provide destination ip. Defaults to localhost',
+                        type=str
+                        )
+    parser.add_argument('-p', '--port',
+                        default=80,
+                        dest='port',
+                        help='Provide destination port. Defaults to 80',
+                        type=int
+                        )
 
-sock.connect((host, port))
-sock.send("test".encode())
-sock.close()
+    args = parser.parse_args()
+    print(f'Sending message to {args.ip}:{args.port}')
+    sock = socket.socket()
+    try:
+        sock.connect((args.ip, args.port))
+        sock.send("test".encode())
+        print("Message sent.")
+        sock.close()
+    except:
+        print("Cannot send message...")
 
+
+if __name__ == "__main__":
+    main(sys.argv[1:])