fix: [IPAddress] catch empty config error

Author: Terrtia

bin/IPAddress.py

@@ -6,7 +6,7 @@
 
 This module is consuming the global channel.
 
-It first performs a regex to find IP addresses and then matches those IPs to 
+It first performs a regex to find IP addresses and then matches those IPs to
 some configured ip ranges.
 
 The list of IP ranges are expected to be in CIDR format (e.g. 192.168.0.0/16)
@@ -16,6 +16,7 @@
 
 import time
 import re
+import sys
 from pubsublogger import publisher
 from packages import Paste
 from Helper import Process
@@ -60,8 +61,12 @@ def search_ip(message):
     p = Process(config_section)
 
     ip_networks = []
-    for network in p.config.get("IP", "networks").split(","):
-        ip_networks.append(IPv4Network(network))
+    try:
+        for network in p.config.get("IP", "networks").split(","):
+            ip_networks.append(IPv4Network(network))
+    except:
+        print('Please provide a list of valid IP addresses')
+        sys.exit(0)
 
 
     # Sent to the logging a description of the module
@@ -78,4 +83,3 @@ def search_ip(message):
 
         # Do something with the message from the queue
         search_ip(message)
-