first commit

lastkey.txt

@@ -1 +1 @@
-0x0000
+0x0064

logfile.log

@@ -0,0 +1,83 @@
+04.10.2019 21:59:02: Connected with result code 0
+04.10.2019 22:07:22: Connected with result code 0
+04.10.2019 22:07:40: Connected with result code 0
+04.10.2019 22:07:42: Received message '1' on topic '/UHB/status/public' with QoS 0
+04.10.2019 22:07:42: current Status of space: None
+04.10.2019 22:07:47: Received message '1' on topic '/UHB/status/public' with QoS 0
+04.10.2019 22:07:48: current Status of space: None
+04.10.2019 22:07:51: Received message '0' on topic '/UHB/status/public' with QoS 0
+04.10.2019 22:07:51: current Status of space: None
+04.10.2019 22:07:51: {
+    "api": "0.13", 
+    "contact": {
+        "email": "info@un-hack-bar.de", 
+        "irc": "irc://irc.hackint.net/c3un", 
+        "ml": "discuss@unhb.de", 
+        "twitter": "@un_hack_bar"
+    }, 
+    "ext_ccc": "chaostreff", 
+    "feeds": {
+        "calendar": {
+            "type": "ical", 
+            "url": "https://www.un-hack-bar.de/events.ics"
+        }
+    }, 
+    "issue_report_channels": [
+        "email"
+    ], 
+    "location": {
+        "address": "Morgenstrasse 6,59423 Unna, Germany", 
+        "lat": 51.53575, 
+        "lon": 7.69172
+    }, 
+    "logo": "https://www.un-hack-bar.de/wp-content/uploads/2018/06/unhb_klein.png", 
+    "space": "UN-Hack-Bar", 
+    "state": {
+        "icon": {
+            "closed": "https://matrix.un-hack-bar.de/_matrix/media/v1/download/matrix.un-hack-bar.de/xcmwcXGdQqlgkcKxUROTndHL", 
+            "open": "https://matrix.un-hack-bar.de/_matrix/media/v1/download/matrix.un-hack-bar.de/OXoHKOrWRStZkRDHMdCPyidA"
+        }, 
+        "lastchange": 1570219671.006862, 
+        "open": true
+    }, 
+    "url": "https://un-hack-bar.de"
+}
+04.10.2019 22:07:56: Received message '1' on topic '/UHB/status/public' with QoS 0
+04.10.2019 22:07:56: current Status of space: True
+04.10.2019 22:07:56: {
+    "api": "0.13", 
+    "contact": {
+        "email": "info@un-hack-bar.de", 
+        "irc": "irc://irc.hackint.net/c3un", 
+        "ml": "discuss@unhb.de", 
+        "twitter": "@un_hack_bar"
+    }, 
+    "ext_ccc": "chaostreff", 
+    "feeds": {
+        "calendar": {
+            "type": "ical", 
+            "url": "https://www.un-hack-bar.de/events.ics"
+        }
+    }, 
+    "issue_report_channels": [
+        "email"
+    ], 
+    "location": {
+        "address": "Morgenstrasse 6,59423 Unna, Germany", 
+        "lat": 51.53575, 
+        "lon": 7.69172
+    }, 
+    "logo": "https://www.un-hack-bar.de/wp-content/uploads/2018/06/unhb_klein.png", 
+    "space": "UN-Hack-Bar", 
+    "state": {
+        "icon": {
+            "closed": "https://matrix.un-hack-bar.de/_matrix/media/v1/download/matrix.un-hack-bar.de/xcmwcXGdQqlgkcKxUROTndHL", 
+            "open": "https://matrix.un-hack-bar.de/_matrix/media/v1/download/matrix.un-hack-bar.de/OXoHKOrWRStZkRDHMdCPyidA"
+        }, 
+        "lastchange": 1570219676.791465, 
+        "open": false
+    }, 
+    "url": "https://un-hack-bar.de"
+}
+04.10.2019 22:08:17: Received message '1' on topic '/UHB/status/public' with QoS 0
+04.10.2019 22:08:17: current Status of space: False

matrix_close.py

@@ -0,0 +1,13 @@
+#!/usr/bin/python
+from matrix_client.client import MatrixClient
+from unhb_mqtt_config import *
+
+# Prepare Matrix Client
+matrix_client = MatrixClient(matrix_server)
+matrix_client.login_with_password_no_sync(matrix_bot_user, matrix_bot_passwd)
+matrix_room = matrix_client.join_room(matrix_roomid)
+matrix_room.send_state_event("m.room.avatar", matrix_closed_json)
+matrix_room.send_text("Der Space ist jetzt geschlossen.")
+
+# matrix_room.send_state_event("m.room.avatar", matrix_open_json)
+# matrix_room.send_text("Der Space ist jetzt offen.")

nohup.out

@@ -0,0 +1,122 @@
+{
+    "api": "0.13", 
+    "contact": {
+        "email": "info@un-hack-bar.de", 
+        "irc": "irc://irc.hackint.net/c3un", 
+        "ml": "discuss@unhb.de", 
+        "twitter": "@un_hack_bar"
+    }, 
+    "ext_ccc": "chaostreff", 
+    "feeds": {
+        "calendar": {
+            "type": "ical", 
+            "url": "https://www.un-hack-bar.de/events.ics"
+        }
+    }, 
+    "issue_report_channels": [
+        "email"
+    ], 
+    "location": {
+        "address": "Morgenstrasse 6,59423 Unna, Germany", 
+        "lat": 51.53575, 
+        "lon": 7.69172
+    }, 
+    "logo": "https://www.un-hack-bar.de/wp-content/uploads/2018/06/unhb_klein.png", 
+    "space": "UN-Hack-Bar", 
+    "state": {
+        "icon": {
+            "closed": "https://matrix.un-hack-bar.de/_matrix/media/v1/download/matrix.un-hack-bar.de/xcmwcXGdQqlgkcKxUROTndHL", 
+            "open": "https://matrix.un-hack-bar.de/_matrix/media/v1/download/matrix.un-hack-bar.de/OXoHKOrWRStZkRDHMdCPyidA"
+        }, 
+        "lastchange": 23, 
+        "open": null
+    }, 
+    "url": "https://un-hack-bar.de"
+}
+Connected with result code 0
+Received message '1' on topic '/UHB/status/public' with QoS 0
+current Status of space: None
+Received message '0' on topic '/UHB/status/public' with QoS 0
+current Status of space: None
+{
+    "api": "0.13", 
+    "contact": {
+        "email": "info@un-hack-bar.de", 
+        "irc": "irc://irc.hackint.net/c3un", 
+        "ml": "discuss@unhb.de", 
+        "twitter": "@un_hack_bar"
+    }, 
+    "ext_ccc": "chaostreff", 
+    "feeds": {
+        "calendar": {
+            "type": "ical", 
+            "url": "https://www.un-hack-bar.de/events.ics"
+        }
+    }, 
+    "issue_report_channels": [
+        "email"
+    ], 
+    "location": {
+        "address": "Morgenstrasse 6,59423 Unna, Germany", 
+        "lat": 51.53575, 
+        "lon": 7.69172
+    }, 
+    "logo": "https://www.un-hack-bar.de/wp-content/uploads/2018/06/unhb_klein.png", 
+    "space": "UN-Hack-Bar", 
+    "state": {
+        "icon": {
+            "closed": "https://matrix.un-hack-bar.de/_matrix/media/v1/download/matrix.un-hack-bar.de/xcmwcXGdQqlgkcKxUROTndHL", 
+            "open": "https://matrix.un-hack-bar.de/_matrix/media/v1/download/matrix.un-hack-bar.de/OXoHKOrWRStZkRDHMdCPyidA"
+        }, 
+        "lastchange": 1570218206.001311, 
+        "open": true
+    }, 
+    "url": "https://un-hack-bar.de"
+}
+Received message '1' on topic '/UHB/status/public' with QoS 0
+current Status of space: True
+{
+    "api": "0.13", 
+    "contact": {
+        "email": "info@un-hack-bar.de", 
+        "irc": "irc://irc.hackint.net/c3un", 
+        "ml": "discuss@unhb.de", 
+        "twitter": "@un_hack_bar"
+    }, 
+    "ext_ccc": "chaostreff", 
+    "feeds": {
+        "calendar": {
+            "type": "ical", 
+            "url": "https://www.un-hack-bar.de/events.ics"
+        }
+    }, 
+    "issue_report_channels": [
+        "email"
+    ], 
+    "location": {
+        "address": "Morgenstrasse 6,59423 Unna, Germany", 
+        "lat": 51.53575, 
+        "lon": 7.69172
+    }, 
+    "logo": "https://www.un-hack-bar.de/wp-content/uploads/2018/06/unhb_klein.png", 
+    "space": "UN-Hack-Bar", 
+    "state": {
+        "icon": {
+            "closed": "https://matrix.un-hack-bar.de/_matrix/media/v1/download/matrix.un-hack-bar.de/xcmwcXGdQqlgkcKxUROTndHL", 
+            "open": "https://matrix.un-hack-bar.de/_matrix/media/v1/download/matrix.un-hack-bar.de/OXoHKOrWRStZkRDHMdCPyidA"
+        }, 
+        "lastchange": 1570218210.332163, 
+        "open": false
+    }, 
+    "url": "https://un-hack-bar.de"
+}
+Received message '1' on topic '/UHB/status/public' with QoS 0
+current Status of space: False
+Traceback (most recent call last):
+  File "/home/pi/unhb-mqtt/unhb-mqtt.py", line 141, in <module>
+    client.loop_forever()
+  File "/home/pi/.local/lib/python2.7/site-packages/paho/mqtt/client.py", line 1578, in loop_forever
+    rc = self.loop(timeout, max_packets)
+  File "/home/pi/.local/lib/python2.7/site-packages/paho/mqtt/client.py", line 1057, in loop
+    socklist = select.select(rlist, wlist, [], timeout)
+KeyboardInterrupt

spaceapi.json

@@ -0,0 +1 @@
+{"api": "0.13", "contact": {"email": "info@un-hack-bar.de", "irc": "irc://irc.hackint.net/c3un", "ml": "discuss@unhb.de", "twitter": "@un_hack_bar"}, "ext_ccc": "chaostreff", "feeds": {"calendar": {"type": "ical", "url": "https://www.un-hack-bar.de/events.ics"}}, "issue_report_channels": ["email"], "location": {"address": "Morgenstrasse 6,59423 Unna, Germany", "lat": 51.53575, "lon": 7.69172}, "logo": "https://www.un-hack-bar.de/wp-content/uploads/2018/06/unhb_klein.png", "space": "UN-Hack-Bar", "state": {"icon": {"closed": "https://matrix.un-hack-bar.de/_matrix/media/v1/download/matrix.un-hack-bar.de/xcmwcXGdQqlgkcKxUROTndHL", "open": "https://matrix.un-hack-bar.de/_matrix/media/v1/download/matrix.un-hack-bar.de/OXoHKOrWRStZkRDHMdCPyidA"}, "lastchange": 23, "open": null}, "url": "https://un-hack-bar.de"}

unhb-mqtt-20190817.py

@@ -0,0 +1,150 @@
+#!/usr/bin/python
+import paho.mqtt.client as mqtt
+import json
+import time
+import pyqrcode
+import subprocess
+from PIL import Image, ImageDraw, ImageFont
+import cups
+from matrix_client.client import MatrixClient
+
+# Druckerinitialisierung
+conn = cups.Connection()
+printers = conn.getPrinters()
+
+
+# formatiert uns hex in der notation 0x0000
+def padhexa(s):
+    return '0x' + s[2:].zfill(4)
+
+
+def create_qrcode(newcode, hexid):
+    qrobj = pyqrcode.create(newcode)
+    with open('qr.png', 'wb') as f:
+        qrobj.png(f, scale=10)
+    bg = Image.open('bg.png')
+    img = Image.open('qr.png')
+    width, height = img.size
+    logo_size = 140
+    logo = Image.open('unhb.png')
+    xmin = ymin = int((width / 2) - (logo_size / 2))
+    xmax = ymax = int((width / 2) + (logo_size / 2))
+    logo = logo.resize((xmax - xmin, ymax - ymin))
+    img.paste(logo, (xmin, ymin, xmax, ymax))
+    fnt = ImageFont.truetype('font.ttf', 28)
+    d = ImageDraw.Draw(img)
+    d.text((width / 2 - 55, height - 40), hexid, font=fnt)
+    bg.paste(img, (205, 0, 615, 410))
+    outimage = "./qrcodes/" + hexid + ".png"
+    bg.save(outimage)
+    print("qrcode erfolgreich generiert: " + newcode)
+    # druckername hardcoded!
+    conn.printFile("gk420d", outimage, "Labelausdruck", {})
+
+
+def get_lastkey():
+    with open("/home/pi/lastkey.txt", "r") as lastkeyinfile:
+        last_int = int(lastkeyinfile.read().rstrip(), 16)
+    return lastkey
+
+
+# Spaceapi definitions
+space_status = "undefined"
+# Test SilSon space_json = """{"api": "0.13","space": "UN-Hack-Bar","logo": "https://www.un-hack-bar.de/wp-content/uploads/2018/06/unhb_klein.png","url": "https://un-hack-bar.de","location": {"address": "Morgenstrasse 6, 59423 Unna, Germany","lon": 7.69172,"lat": 51.53575},"contact": {"email": "info@un-hack-bar.de","irc": "irc://irc.hackint.net/c3un","ml": "chaos-unna@lists.ctdo.de","twitter": "@un_hack_bar"},"state": {"open":  null,"lastchange": 23},"feeds":{"calendar":{"type":"ical","url":"https://www.un-hack-bar.de/events.ics"}},"issue_report_channels": ["email"],"ext_ccc": "chaostreff"}"""
+space_json = """{"api": "0.13","space": "UN-Hack-Bar","logo": "https://www.un-hack-bar.de/wp-content/uploads/2018/06/unhb_klein.png","url": "https://un-hack-bar.de","location": {"address": "Morgenstrasse 6, 59423 Unna, Germany","lon": 7.69172,"lat": 51.53575},"contact": {"email": "info@un-hack-bar.de","irc": "irc://irc.hackint.net/c3un","ml": "chaos-unna@lists.ctdo.de","twitter": "@un_hack_bar"},"state": {"open":  null,"lastchange": 23},"feeds":{"calendar":{"type":"ical","url":"https://www.un-hack-bar.de/events.ics"}},"issue_report_channels": ["email"],"ext_ccc": "chaostreff", "state": { "icon": { "open": "https://matrix.un-hack-bar.de/_matrix/media/v1/download/matrix.un-hack-bar.de/OXoHKOrWRStZkRDHMdCPyidA", "closed": "https://matrix.un-hack-bar.de/_matrix/media/v1/download/matrix.un-hack-bar.de/xcmwcXGdQqlgkcKxUROTndHL" } } }"""
+space_obj = json.loads(space_json)
+
+# Matrix-Bot definitions
+matrix_bot_user = "DaneelOlivaw"  # Bot's username
+matrix_bot_passwd = "StefanTest123"  # Bot's password
+matrix_server = "https://matrix.un-hack-bar.de"
+matrix_roomid = "!qxbQFatOwXtPBXegqg:matrix.un-hack-bar.de"
+#matrix_open_json = {"url": "mxc://matrix.un-hack-bar.de/AwzcZPKZlaFCiDjJGrbmhVqy"}
+#matrix_closed_json = {"url": "mxc://matrix.un-hack-bar.de/rYahEOVyPMKJDQfLSnKLeHmn"}
+#matrix_unk_json = {"url": "mxc://matrix.un-hack-bar.de/SXmvTOGHLXRsYDCBQncTBhGl"}
+matrix_open_json = {"url": "mxc://matrix.un-hack-bar.de/OXoHKOrWRStZkRDHMdCPyidA"}
+matrix_closed_json = {"url": "mxc://matrix.un-hack-bar.de/xcmwcXGdQqlgkcKxUROTndHL"}
+matrix_unk_json = {"url": "mxc://matrix.un-hack-bar.de/BpBpjtypqJcBawnmpkAOZHrp"}
+
+
+# The callback for when the client receives a CONNACK response from the server.
+def on_connect(client, userdata, flags, rc):
+    print("Connected with result code " + str(rc))
+
+    # Subscribing in on_connect() means that if we lose the connection and
+    # reconnect then subscriptions will be renewed.
+    client.subscribe("/UHB/#")
+
+
+def spaceapi():
+    print("funktion spaceapi go!")
+    json.dumps(space_json)
+    print(y["api"])
+    write_file = open("spaceapi.json", "w")
+    json.dump(space_json, write_file)
+    print("file written")
+
+
+# The callback for when a PUBLISH message is received from the server.
+def on_message(client, userdata, msg):
+    #    print(msg.topic+" "+str(msg.payload))
+    print("Received message '" + str(msg.payload) + "' on topic '" + msg.topic + "' with QoS " + str(msg.qos))
+    if msg.topic == '/UHB/status/public':
+        if msg.payload == "0":
+            #            space_obj["state"] = {u'open': True,u'lastchange': time.time()}
+            space_obj["state"]["open"] = True
+            space_obj["state"]["lastchange"] = time.time()
+            print(json.dumps(space_obj, sort_keys=True, indent=4))
+            with open("spaceapi.json", "w") as write_file:
+                json.dump(space_obj, write_file, sort_keys=True)
+            matrix_room.send_state_event("m.room.avatar", matrix_open_json)
+            matrix_room.send_text("Der Space ist jetzt offen.")
+        elif msg.payload == "1":
+            #            space_obj["state"] = {b'open': False,u'lastchange': time.time()}
+            space_obj["state"]["open"] = False
+            space_obj["state"]["lastchange"] = time.time()
+            with open("spaceapi.json", "w") as write_file:
+                json.dump(space_obj, write_file, sort_keys=True)
+            print(json.dumps(space_obj, sort_keys=True, indent=4))
+            matrix_room.send_state_event("m.room.avatar", matrix_closed_json)
+            matrix_room.send_text("Der Space ist jetzt geschlossen.")
+            p = subprocess.Popen('/home/amdash/fritzPower/allOff.sh')
+            p.wait()
+    if msg.topic == '/UHB/label/create':
+        new_keys = int(msg.payload)
+        print("anzahl neu zu generierender label: " + str(new_keys))
+
+        with open("lastkey.txt", "r") as infile:
+            last_label_key = int(infile.read().rstrip(), 16)
+
+        print("bisher generierte labels: " + str(last_label_key))
+
+        print("letzte gedruckte label id: " + padhexa(hex(last_label_key)))
+        nextkey = last_label_key + 1
+        print("naechste freie label id: " + padhexa(hex(nextkey)))
+        for i in range(nextkey, nextkey + new_keys):
+            hexkey = padhexa(hex(i))
+            urldings = "https://inv.unhb.de/" + hexkey
+            create_qrcode(urldings, hexkey)
+        with open("lastkey.txt", "w") as outfile:
+            outfile.write(hexkey)
+
+
+# Prepare MQTT client
+client = mqtt.Client()
+client.on_connect = on_connect
+client.on_message = on_message
+client.connect("localhost", 1883, 60)
+
+# Prepare Matrix Client
+matrix_client = MatrixClient(matrix_server)
+matrix_client.login_with_password_no_sync(matrix_bot_user, matrix_bot_passwd)
+matrix_room = matrix_client.join_room(matrix_roomid)
+matrix_room.send_state_event("m.room.avatar", matrix_unk_json)
+matrix_room.send_text("Ich wurde neu gestartet... kein Plan ob der Raum gerade offen oder geschlossen ist.")
+
+# Blocking call that processes network traffic, dispatches callbacks and
+# handles reconnecting.
+# Other loop*() functions are available that give a threaded interface and a
+# manual interface.
+client.loop_forever()

unhb-mqtt-dev.py

@@ -0,0 +1,172 @@
+#!/usr/bin/python
+import paho.mqtt.client as mqtt
+import json
+import time
+import pyqrcode
+import subprocess
+from PIL import Image, ImageDraw, ImageFont
+import cups
+from matrix_client.client import MatrixClient
+from unhb_mqtt_config import *
+import sys
+
+# path and name of the log file
+logfile = '/home/pi/unhb-mqtt/logfile.log'
+
+# function to save log messages to specified log file
+def log(msg):
+
+  # open the specified log file
+  file = open(logfile,"a")
+
+  # write log message with timestamp to log file
+  file.write("%s: %s\n" % (time.strftime("%d.%m.%Y %H:%M:%S"), msg))
+
+  # close log file
+  file.close
+
+
+
+
+
+# Druckerinitialisierung
+conn = cups.Connection()
+printers = conn.getPrinters()
+
+
+# formatiert uns hex in der notation 0x0000
+def padhexa(s):
+    return '0x' + s[2:].zfill(4)
+
+
+def create_qrcode(newcode, hexid):
+    qrobj = pyqrcode.create(newcode)
+    with open('qr.png', 'wb') as f:
+        qrobj.png(f, scale=10)
+    bg = Image.open('bg.png')
+    img = Image.open('qr.png')
+    width, height = img.size
+    logo_size = 140
+    logo = Image.open('unhb.png')
+    xmin = ymin = int((width / 2) - (logo_size / 2))
+    xmax = ymax = int((width / 2) + (logo_size / 2))
+    logo = logo.resize((xmax - xmin, ymax - ymin))
+    img.paste(logo, (xmin, ymin, xmax, ymax))
+    fnt = ImageFont.truetype('font.ttf', 28)
+    d = ImageDraw.Draw(img)
+    d.text((width / 2 - 55, height - 40), hexid, font=fnt)
+    bg.paste(img, (205, 0, 615, 410))
+    outimage = "./qrcodes/" + hexid + ".png"
+    bg.save(outimage)
+    print("qrcode erfolgreich generiert: " + newcode)
+    # druckername hardcoded!
+    conn.printFile("gk420d", outimage, "Labelausdruck", {})
+
+
+def get_lastkey():
+    with open("/home/pi/lastkey.txt", "r") as lastkeyinfile:
+        last_int = int(lastkeyinfile.read().rstrip(), 16)
+    return lastkey
+
+
+space_obj = json.loads(space_json)
+with open("spaceapi.json", "w") as write_file:
+    json.dump(space_obj, write_file, sort_keys=True)
+    print(json.dumps(space_obj, sort_keys=True, indent=4))
+
+
+
+
+# The callback for when the client receives a CONNACK response from the server.
+def on_connect(client, userdata, flags, rc):
+    print("Connected with result code " + str(rc))
+    log("Connected with result code " + str(rc))
+    # Subscribing in on_connect() means that if we lose the connection and
+    # reconnect then subscriptions will be renewed.
+    client.subscribe("/UHB/#")
+
+
+def spaceapi():
+    print("funktion spaceapi go!")
+    log("funktion spaceapi go!")
+    json.dumps(space_json)
+    log(json.dumps(space_json))
+    print(y["api"])
+    log(y["api"])
+    write_file = open("spaceapi.json", "w")
+    json.dump(space_json, write_file)
+    print("spaceapi file written")
+    log("spaceapi file written")
+
+
+# The callback for when a PUBLISH message is received from the server.
+def on_message(client, userdata, msg):
+    #    print(msg.topic+" "+str(msg.payload))
+    print("Received message '" + str(msg.payload) + "' on topic '" + msg.topic + "' with QoS " + str(msg.qos))
+    log("Received message '" + str(msg.payload) + "' on topic '" + msg.topic + "' with QoS " + str(msg.qos))
+    print("current Status of space: " + str(space_obj["state"]["open"]))
+    log("current Status of space: " + str(space_obj["state"]["open"]))
+    if msg.topic == '/UHB/status/public':
+        if (msg.payload == "0" and not space_obj["state"]["open"]):
+            #            space_obj["state"] = {u'open': True,u'lastchange': time.time()}
+            space_obj["state"]["open"] = True
+            space_obj["state"]["lastchange"] = time.time()
+            print(json.dumps(space_obj, sort_keys=True, indent=4))
+            log((json.dumps(space_obj, sort_keys=True, indent=4)))
+            with open("spaceapi.json", "w") as write_file:
+                json.dump(space_obj, write_file, sort_keys=True)
+            matrix_room.send_state_event("m.room.avatar", matrix_open_json)
+            matrix_room.send_text("Der Space ist jetzt offen.")
+        elif (msg.payload == "1"  and space_obj["state"]["open"] ):
+            #            space_obj["state"] = {b'open': False,u'lastchange': time.time()}
+            space_obj["state"]["open"] = False
+            space_obj["state"]["lastchange"] = time.time()
+            with open("spaceapi.json", "w") as write_file:
+                json.dump(space_obj, write_file, sort_keys=True)
+            print(json.dumps(space_obj, sort_keys=True, indent=4))
+            log(json.dumps(space_obj, sort_keys=True, indent=4))
+            matrix_room.send_state_event("m.room.avatar", matrix_closed_json)
+            matrix_room.send_text("Der Space ist jetzt geschlossen.")
+            p = subprocess.Popen('/home/amdash/fritzPower/allOff.sh')
+            p.wait()
+    if msg.topic == '/UHB/label/create':
+        new_keys = int(msg.payload)
+        print("anzahl neu zu generierender label: " + str(new_keys))
+        log("anzahl neu zu generierender label: " + str(new_keys))
+
+        with open("/home/pi/unhb-mqtt/lastkey.txt", "r") as infile:
+            last_label_key = int(infile.read().rstrip(), 16)
+
+        print("bisher generierte labels: " + str(last_label_key))
+        log("bisher generierte labels: " + str(last_label_key))
+        print("letzte gedruckte label id: " + padhexa(hex(last_label_key)))
+        log("letzte gedruckte label id: " + padhexa(hex(last_label_key)))
+        nextkey = last_label_key + 1
+        print("naechste freie label id: " + padhexa(hex(nextkey)))
+        log("naechste freie label id: " + padhexa(hex(nextkey)))
+        for i in range(nextkey, nextkey + new_keys):
+            hexkey = padhexa(hex(i))
+            urldings = "https://inv.unhb.de/" + hexkey
+            create_qrcode(urldings, hexkey)
+        with open("/home/pi/unhb-mqtt/lastkey.txt", "w") as outfile:
+            outfile.write(hexkey)
+
+
+# Prepare MQTT client
+client = mqtt.Client()
+client.on_connect = on_connect
+client.on_message = on_message
+client.connect("localhost", 1883, 60)
+
+# Prepare Matrix Client
+matrix_client = MatrixClient(matrix_server)
+matrix_client.login_with_password_no_sync(matrix_bot_user, matrix_bot_passwd)
+matrix_room = matrix_client.join_room(matrix_roomid)
+matrix_room.send_state_event("m.room.avatar", matrix_unk_json)
+matrix_room.send_text("Ich wurde neu gestartet... kein Plan ob der Raum gerade offen oder geschlossen ist.")
+
+# Blocking call that processes network traffic, dispatches callbacks and
+# handles reconnecting.
+# Other loop*() functions are available that give a threaded interface and a
+# manual interface.
+client.loop_forever()

unhb-mqtt.py

@@ -105,7 +105,7 @@ def on_message(client, userdata, msg):
         new_keys = int(msg.payload)
         print("anzahl neu zu generierender label: " + str(new_keys))
 
-        with open("lastkey.txt", "r") as infile:
+        with open("/home/pi/unhb-mqtt/lastkey.txt", "r") as infile:
             last_label_key = int(infile.read().rstrip(), 16)
 
         print("bisher generierte labels: " + str(last_label_key))
@@ -117,7 +117,7 @@ def on_message(client, userdata, msg):
             hexkey = padhexa(hex(i))
             urldings = "https://inv.unhb.de/" + hexkey
             create_qrcode(urldings, hexkey)
-        with open("lastkey.txt", "w") as outfile:
+        with open("/home/pi/unhb-mqtt/lastkey.txt", "w") as outfile:
             outfile.write(hexkey)
 
 

unhb_mqtt_config.py

@@ -0,0 +1,50 @@
+matrix_bot_user = "DaneelOlivaw"  # Bot's username
+matrix_bot_passwd = "StefanTest123"  # Bot's password
+matrix_server = "https://matrix.un-hack-bar.de"
+matrix_roomid = "!qxbQFatOwXtPBXegqg:matrix.un-hack-bar.de"
+#matrix_open_json = {"url": "mxc://matrix.un-hack-bar.de/AwzcZPKZlaFCiDjJGrbmhVqy"}
+#matrix_closed_json = {"url": "mxc://matrix.un-hack-bar.de/rYahEOVyPMKJDQfLSnKLeHmn"}
+#matrix_unk_json = {"url": "mxc://matrix.un-hack-bar.de/SXmvTOGHLXRsYDCBQncTBhGl"}
+matrix_open_json = {"url": "mxc://matrix.un-hack-bar.de/OXoHKOrWRStZkRDHMdCPyidA"}
+matrix_closed_json = {"url": "mxc://matrix.un-hack-bar.de/xcmwcXGdQqlgkcKxUROTndHL"}
+matrix_unk_json = {"url": "mxc://matrix.un-hack-bar.de/BpBpjtypqJcBawnmpkAOZHrp"}
+
+
+
+
+
+
+
+
+
+
+
+space_json = """{
+"api": "0.13",
+"space": "UN-Hack-Bar",
+"logo": "https://www.un-hack-bar.de/wp-content/uploads/2018/06/unhb_klein.png",
+"url": "https://un-hack-bar.de",
+"location": {"address": "Morgenstrasse 6,59423 Unna, Germany",
+"lon": 7.69172,
+"lat": 51.53575},
+"contact": 
+    {"email": "info@un-hack-bar.de",
+    "irc": "irc://irc.hackint.net/c3un",
+    "ml": "discuss@unhb.de",
+    "twitter": "@un_hack_bar"},
+"feeds":
+    {"calendar":
+        {"type":"ical",
+        "url":"https://www.un-hack-bar.de/events.ics"}
+        },
+"issue_report_channels":["email"],
+"ext_ccc": "chaostreff",
+"state": 
+    { "open": null,
+    "lastchange": 23,
+    "icon":
+        { "open": "https://matrix.un-hack-bar.de/_matrix/media/v1/download/matrix.un-hack-bar.de/OXoHKOrWRStZkRDHMdCPyidA",
+        "closed": "https://matrix.un-hack-bar.de/_matrix/media/v1/download/matrix.un-hack-bar.de/xcmwcXGdQqlgkcKxUROTndHL" 
+        } 
+    } 
+    }"""