Added "IP address" action that says Pi's IP

src/assistant_library_with_local_commands_demo.py

@@ -50,6 +50,11 @@ def reboot_pi():
     subprocess.call('sudo reboot', shell=True)
 
 
+def say_ip():
+    ip_address = subprocess.check_output("hostname -I | cut -d' ' -f1", shell=True).decode("utf8")
+    aiy.audio.say("My IP address is " + ip_address)
+
+
 def process_event(assistant, event):
     status_ui = aiy.voicehat.get_status_ui()
     if event.type == EventType.ON_START_FINISHED:
@@ -63,12 +68,15 @@ def process_event(assistant, event):
     elif event.type == EventType.ON_RECOGNIZING_SPEECH_FINISHED and event.args:
         text = event.args['text']
         print('You said:', text)
-        if text == 'power off':
+        if text == 'raspberry power off':
             assistant.stop_conversation()
             power_off_pi()
-        elif text == 'reboot':
+        elif text == 'raspberry reboot':
             assistant.stop_conversation()
             reboot_pi()
+        elif text == 'IP address':
+            assistant.stop_conversation()
+            say_ip()
 
     elif event.type == EventType.ON_END_OF_UTTERANCE:
         status_ui.status('thinking')