Refactoring of the get_rate_limit_key() function

views/login/__init__.py

@@ -87,17 +87,19 @@ def do_login():
     #   Rate limiting check
     
     def get_rate_limit_key():
+        target = request.form.get( "username", "" )
+        
         try:
-            hra = request.headers.environ[ "REMOTE_ADDR" ]
-            try:
-                hra = str( ipaddress.ip_network( unicode( hra ) ).supernet( 16 ) )
-            except:
-                pass
+            target = request.headers.environ[ "REMOTE_ADDR" ]
+        except:
+            pass
             
-            return "rate_limit_{}".format( hra )
-        
+        try:
+            target = str( ipaddress.ip_network( unicode( target ) ).supernet( 16 ) )
         except:
-            return "rate_limit_{}".format( request.form.get( "username", "" ) )
+            pass
+        
+        return "rate_limit_{}".format( target )
     
     def get_current_rate_limit():
         try: