dnsleases improved

dnsleases

@@ -1,6 +1,7 @@
 #!/bin/python3
 #
 import subprocess
+import sys
 import time
 
 class host(object):
@@ -87,7 +88,22 @@ with open('/var/lib/misc/dnsmasq.leases', 'r') as fh:
             if h.mac not in hl:
                 hl.append(h)
 
-for vlan in [20, 30, 40, 50, 60, 90]:
-    print("Hosts in VLAN %d" % vlan)
+
+
+VLANs = {
+    20: "Network Devices - Switch, AP, ...",
+    30: "Private VLAN",
+    40: "Smarthome with Internet",
+    50: "Smarthome no Internet",
+    60: "Guest VLAN",
+}
+
+try:
+    PRINT_LIST = [int(sys.argv[1]), ]
+except (IndexError, ValueError) as e:
+    PRINT_LIST = VLANs.keys()
+
+for vlan in PRINT_LIST:
+    print(f"Hosts in VLAN {vlan} - {VLANs.get(vlan, 'Unknown')}")
     print(hl.vlan_list(vlan))
     print()