Continue writing thesis

listings/event_handler_example.py

@@ -0,0 +1,18 @@
+from tfw import EventHandlerBase
+
+class MyFirstEventHandler(EventHandlerBase):
+    def __init__(self):
+        super().__init__(self, key='fsm_update')
+
+    def handle_event(self, message):
+        print('I have received a message! Yaaay!')
+
+        # the return value of this method is automatically
+        # sent back to the TFW server
+        return {
+            'key': 'message',
+            'data': {
+                'originator': 'My first event handler',
+                'message': f'I have received this message: {message}'
+            }
+        }