Differences

This shows you the differences between two versions of the page.

--- ircterm [2015-01-30 12:30] – [Powering on/off the screen automatically] rob
+++ ircterm [2021-05-21 14:00] (current) – simon
@@ Line 1: / Line 1: @@
+===== Hardware Status =====
+Normal screen is currently <del>out of action</del> **gubbed**. Tim recommends checking caps however not enough time was available on the day of discovering the screen being out. A temporary screen has been put in place to allow for interim IRC usage.
 ===== Project Background =====
@@ Line 111: / Line 115: @@
 /home/pi/idle.py:
 <code>
-#!/usr/bin/python
+#!/usr/bin/env python
-import logging
+import paho.mqtt.client as mqtt
-import os
+import subprocess
-import pika
-import time
-logging.getLogger('').setLevel(logging.INFO)
+last_state = None
-logging.getLogger('pika').setLevel(logging.ERROR)
-amqp_host = "amqp.hacklab"
+def on_connect(client, userdata, flags, rc):
-amqp_exchange = "events"
+    client.subscribe("sensor/global/presence")
-topic = "presence.status"
-tvstate = False
+def on_message(client, userdata, msg):
+    global last_state
-connection = pika.BlockingConnection(pika.ConnectionParameters(host=amqp_host))
+    # ignore retained (non-realtime) messages
-channel = connection.channel()
+    #if msg.retain:
-channel.exchange_declare(exchange=amqp_exchange, type="topic")
+    #    return
-result = channel.queue_declare(exclusive=True)
+    if last_state != msg.payload:
-queue_name = result.method.queue
+        # state has changed
-channel.queue_bind(exchange=amqp_exchange, queue=queue_name, routing_key=topic)
+        if msg.payload == "active":
+            # screen on
+            subprocess.call("tvservice -p", shell=True)
+        elif msg.payload == "empty":
+            # screen off
+            subprocess.call("tvservice -o", shell=True)
+        last_state = msg.payload
-def callback(ch, method, properties, body):
+m = mqtt.Client()
-    global tvstate
+m.on_connect = on_connect
+m.on_message = on_message
-    changed = properties.headers['changed']
+m.connect("mqtt")
-    state = properties.headers['state']
+m.loop_forever()
-    old_state = properties.headers.get('old_state', None)
-    if state == 'ACTIVE':
-        if tvstate == False:
-            os.system("tvservice -p")
-            os.system("echo `date` TV ON command issued >> /home/pi/idle.log")
-            tvstate = True
-    elif state == 'EMPTY':
-        os.system("tvservice -o")
-        os.system("echo `date` TV OFF command issued >> /home/pi/idle.log")
-        tvstate = False
-channel.basic_consume(callback,
-                      queue=queue_name,
-                      no_ack=True)
-channel.start_consuming()
 </code>
@@ Line 162: / Line 152: @@
 <code>
-apt-get install python-pika
+apt-get install python-pip
+pip install paho-mqtt
 </code>
@@ Line 175: / Line 166: @@
 Summary:
-  * Auto connect to freenode
+  * Auto connect to Libera
   * NickServ identification
   * Main channel window with only PUBLICS, ACTIONS and  NICKS.
@@ Line 184: / Line 175: @@
 servers = (
   {
-    address = "irc.freenode.net";
+    address = "irc.libera.chat";
-    chatnet = "freenode";
+    chatnet = "libera";
-    port = "6667";
+    port = "6697";
-    use_ssl = "no";
+    use_ssl = "yes";
-    ssl_verify = "no";
+    ssl_verify = "yes";
     autoconnect = "yes";
   }
@@ Line 194: / Line 185: @@
 chatnets = {
-  freenode = {
+  libera = {
     type = "IRC";
     autosendcmd = "/^msg nickserv identify <PASSWORD>;/^win 2";
@@ Line 203: / Line 194: @@
   { name = "#irssi"; chatnet = "ircnet"; autojoin = "No"; },
   { name = "silc"; chatnet = "silc"; autojoin = "No"; },
-  { name = "#edinhacklab"; chatnet = "freenode"; autojoin = "yes"; }
+  { name = "#edinhacklab"; chatnet = "libera"; autojoin = "yes"; }
 );
@@ Line 401: / Line 392: @@
         chat_type = "IRC";
         name = "#edinhacklab";
-        tag = "freenode";
+        tag = "libera";
       }
     );
@@ Line 420: / Line 411: @@
   * /srv/hacksense/bin/request-soundfile
-  * /srv/hacksense/lib/hacksense.py
-The following was required for hacksense.py but has been suggested by Tim that any Redis stuff should be removed from hacksense.py instead.
-<code>
-apt-get install python-redis
-</code>
   * uhoh.mp3 is on doorbot which has the speaker attached to it.
 In irssi config: beep_cmd = "/srv/hacksense/bin/request-soundfile uhoh.mp3 &"