remove outdated dashboard
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parent
7029d2136b
commit
40947c59a6
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#!/usr/bin/env python3
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""" The dashboard client """
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import os
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import logging
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import subprocess
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from dotenv import find_dotenv, load_dotenv
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import paho.mqtt.client as mqtt
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# Configuration
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load_dotenv(find_dotenv())
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MQTT_SERVER = os.getenv("MQTT_SERVER")
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MQTT_USER = os.getenv("MQTT_USER")
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MQTT_PASSWORD = os.getenv("MQTT_PASSWORD")
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MQTT_BASE_TOPIC = os.getenv("MQTT_BASE_TOPIC", "pylokid")
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CEC_ENABLED = os.getenv("CEC_ENABLED", "yes")
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TMP_DIR = os.getenv("TMP_DIR", "/tmp")
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# Initialization
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logging.basicConfig(
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level=logging.DEBUG,
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format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
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)
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LOGGER = logging.getLogger('dashboard')
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PIDS = {}
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def on_connect(client, userdata, flags, rc):
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LOGGER.info("Connected to MQTT with result code %s", str(rc))
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# Subscribing in on_connect() means that if we lose the connection and
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# reconnect then subscriptions will be renewed.
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client.subscribe("pylokid/#")
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def on_message(client, userdata, msg):
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topic_detail = msg.topic.split("/")
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f_id = topic_detail[2]
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if topic_detail[1] == 'Einsatzausdruck_FW' and topic_detail[3] == 'pdf':
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LOGGER.info("[%s] New Einsatzausdruck received", f_id)
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file_name = TMP_DIR + "/dashboard_" + f_id + ".pdf"
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file = open(file_name, "wb")
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file.write(msg.payload)
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file.close()
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if f_id in PIDS:
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LOGGER.info(
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"[%s] Einsatzausdruck already being displayed with PID %s",
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f_id,
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str(PIDS[f_id])
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)
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else:
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LOGGER.info("[%s] Displaying Einsatzausdruck with xpdf", f_id)
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# TODO turn on TV with cec-client
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process = subprocess.Popen(
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["/usr/bin/xpdf", "-z", "width", "-fullscreen", file_name],
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env=dict(os.environ, DISPLAY=":0")
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)
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PIDS[f_id] = process.pid
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if CEC_ENABLED == "yes":
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# Check power state of TV
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status = subprocess.run(
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["/usr/bin/cec-client", "-s", "-d", "1"],
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stdout=subprocess.PIPE,
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input=b'pow 0').stdout
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if status.splitlines()[1] == b'power status: standby':
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LOGGER.info("[%s] CEC power status: standby. Powering TV on", f_id)
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subprocess.run(
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["/usr/bin/cec-client", "-s", "-d", "1"],
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stdout=subprocess.PIPE,
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input=b'on 0'
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)
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else:
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LOGGER.info("[%s] CEC power status: probably on", f_id)
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elif topic_detail[1] == 'Einsatzprotokoll':
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LOGGER.info("[%s] New Einsatzprotokoll received", f_id)
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if f_id in PIDS:
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LOGGER.info("[%s] Killing xpdf PID %s", f_id, str(PIDS[f_id]))
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os.kill(PIDS[f_id], 9)
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PIDS.pop(f_id)
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else:
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LOGGER.info("[%s] No xpdf PID found", f_id)
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if CEC_ENABLED == "yes":
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# Turn off TV if no xpdf running anymore
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if not PIDS:
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LOGGER.info("[%s] No xpdf running anymore. Powering TV off", f_id)
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subprocess.run(
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["/usr/bin/cec-client", "-s", "-d", "1"],
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stdout=subprocess.PIPE,
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input=b'standby 0'
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)
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else:
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LOGGER.info("[%s] Unknown", topic_detail[1])
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def main():
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""" main """
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mqtt_client = mqtt.Client()
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mqtt_client.on_connect = on_connect
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mqtt_client.on_message = on_message
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mqtt_client.username_pw_set(MQTT_USER, password=MQTT_PASSWORD)
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mqtt_client.tls_set()
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mqtt_client.connect(MQTT_SERVER, 8883, 60)
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mqtt_client.loop_forever()
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if __name__ == '__main__':
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try:
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main()
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except KeyboardInterrupt:
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print("Byebye")
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@ -1,14 +0,0 @@
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[Unit]
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Description=PyLokid Dashboard Client
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After=network.target
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[Service]
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User=pi
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Restart=always
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Environment="MQTT_SERVER=mybroker.example.com"
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Environment="MQTT_USER=myuser"
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Environment="MQTT_PASSWORD=mypassword"
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ExecStart=/usr/bin/python3 /opt/dashboard_client.py
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[Install]
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WantedBy=multi-user.target
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