level 1 example app in python

example-apps/level1.py

@@ -0,0 +1,35 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import signal, time
+
+class level1app:
+    run = True
+    save = False
+
+    def sighandler(self, signum, frame):
+        if signum == signal.SIGUSR1:
+            self.save = True
+        elif signum == signal.SIGTERM:
+            self.run = False
+        elif signum == signal.SIGINT:
+            self.run = False
+        else:
+            print "Unknown signal %d received" % signum
+
+    def run(self):
+        signal.signal(signal.SIGUSR1, self.sighandler)
+        signal.signal(signal.SIGTERM, self.sighandler)
+        signal.signal(signal.SIGINT, self.sighandler)
+
+        print "Waiting for signals..."
+
+        while self.run:
+            if self.save:
+                print "Save"
+                self.save = False
+            time.sleep(0.1)
+
+        print "Exit"
+
+level1app().run()