!ping command added

README.md

@@ -134,8 +134,11 @@ Execute `tts.exe` (or `tts.py` if you have Python installed), open the TTS webpa
 
 Connect to the configured Twitch channel and send a message starting with `!tts`. After a few seconds (depending on your `clearmsg_timeout` config), the message should be read.
 
+### Additional Commands
+
 Additional commands (broadcaster and mods only) are:
 
+  * `!ping`: Check if bot is alive (the bot should reply: `Pong!`)
   * `!toff`: Turn TTS off (will also empty the current TTS queue)
   * `!ton`: Turn TTS back on
   * `!dtts <username>`: Disable TTS for the given user

tts.py

@@ -170,6 +170,10 @@ class IRC:
 
                     return True
 
+                if msg.startswith('!ping'):
+                    logging.debug('Ping check received.')
+                    self.sendpriv(conf['IRC_CHANNEL'], "@"+str(user), "Pong!")
+
                 if msg.startswith('!ptts'):
                     logging.debug("!ptts command detected")
                     user = msg.replace('!ptts', '').strip().lower()