93 lines
2.4 KiB
Python
Executable File
93 lines
2.4 KiB
Python
Executable File
#!/usr/bin/python3
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# Pérenisation de données arrivant sur un MQTT
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# vers une base de données MariaDb/MySQL
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# Auteur : Arofarn
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# v0.1
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#################
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# Configuration #
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#################
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#MQTT Broker
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mqtt_host = "aro-yuno"
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mqtt_port = 1883
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mqtt_client_id = "mqtt2sql"
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#mqtt_auth = { 'username' : 'arofarn', 'password' : 'xxx' }
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qos=1
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topic = "huzzah0/#"
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#MySQL database
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sql_host = "localhost"
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#sql_port =
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sql_base = "iot_test"
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sql_user = "arofarn"
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#sql_pass = "password"
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########
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# MAIN #
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########
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import paho.mqtt.client as mqtt
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from datetime import datetime
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import json
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import pymysql.cursors
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def on_connect(client, userdata, flags, rc):
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print("Connected with result code "+str(rc))
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client.subscribe(topic)
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def on_message(client, userdata, msg):
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top=msg.topic[len(topic)-1:].strip()
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subtopics = top.split("/")
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payload = msg.payload.decode()
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val = json.loads(payload)
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print("%s : %s %s (%s)" % (val['type'], val['value'], val['unit'], subtopics[0]))
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with connection.cursor() as cursor:
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sql = "INSERT INTO `data` (`valdate`, `value`, `type_id`, `sensor_id`) VALUES (%s, %s, %s, %s)"
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cursor.execute(sql, (datetime.strptime(val['date'], "%d/%m/%Y %H:%M:%S"), float(val['value']), val['type'], subtopics[0]))
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connection.commit()
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def on_message_date(client, userdata, msg):
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payload = msg.payload.decode()
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try:
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d = datetime.strptime(payload, "%d/%m/%Y %H:%M:%S")
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print("Date : %s" % d)
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except:
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print("Date mal formatée : %s" % payload)
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def on_disconnect(client, userdata, msg):
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if msg != 0:
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print("Déconnexion imprévu : %s" % msg)
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connection.close()
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connection = pymysql.connect(host=sql_host,
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user=sql_user,
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#password=sql_pass,
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db=sql_base,
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charset='utf8mb4',
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cursorclass=pymysql.cursors.DictCursor)
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########
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# Main #
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########
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#Connect to MQTT broker and loop...
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mqtt_client = mqtt.Client(mqtt_client_id, clean_session=False)
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#mqtt_client.username_pw_set(mqtt_auth['username'], mqtt_auth['password'])
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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.on_disconnect = on_disconnect
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mqtt_client.message_callback_add("huzzah0/NTP/date", on_message_date)
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mqtt_client.connect(mqtt_host, mqtt_port, 60)
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mqtt_client.loop_forever()
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