comms_manager cleanup:

* Add classdoc * Skip network interfaces that don't have netmasks
tariq86 · Dec 7, 2019 · 389b5f7 · 389b5f7
1 parent 3598042
commit 389b5f7
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/comms_manager.py b/comms_manager.py
@@ -7,6 +7,7 @@
 
 
 class CommsManager:
+    """ Handles all communication with the Tello drones. """
 
     #
     # CLASS INIT & SETUP
@@ -197,7 +198,11 @@ def _get_subnets():
             # Get IPv4 info
             ip_info = addrs[socket.AF_INET][0]
             address = ip_info['addr']
-            netmask = ip_info['netmask']
+            # Get the netmask, and skip network interfaces that don't have one
+            if 'netmask' in ip_info:
+                netmask = ip_info['netmask']
+            else:
+                continue
 
             # Avoid searching when on very large subnets
             if netmask != '255.255.255.0':