rename to py file. Fix pylint errors

examples/mcp9808_average temp+mqtt → examples/mcp9808_average_temp_mqtt.py

@@ -1,61 +1,73 @@
-# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-FileCopyrightText: 2022 Taxelas
 # SPDX-License-Identifier: MIT
+"""
+python script to read mcp9808 temperature and publish it in mqtt.
+Using discovery topic to create entity in Home Assistant.
+"""
 
 import time
+import json
+from array import array
 import board
-import adafruit_mcp9808
 import paho.mqtt.client as mqtt
 import numpy as np
-import json
+import adafruit_mcp9808
+
+
 i2c = board.I2C()  # uses board.SCL and board.SDA
 
 # To initialise using the default address:
 mcp = adafruit_mcp9808.MCP9808(i2c)
 
-broker_address="Broker IP" 
+broker_address = "Broker IP"
 port = 1883
 user = "mqttuser"
 password = "mqttpassword"
-client = mqtt.Client("P1") #create new instance
+client = mqtt.Client("P1")  # create new instance
 client.username_pw_set(user, password=password)
 client.connect(broker_address, port=port)
 client.loop_start()
 # To initialise using a specified address:
 # Necessary when, for example, connecting A0 to VDD to make address=0x19
 # mcp = adafruit_mcp9808.MCP9808(i2c_bus, address=0x19)
-from array import *
-from decimal import Decimal
-#Create autodiscovery topic for Home assistant 
-#"ha" is autodiscovery prefix in home assistant
+
+
+# Create autodiscovery topic for Home assistant
+# "ha" is autodiscovery prefix in home assistant
 send_msg = {
     "state_topic": "ha/sensor/sensorLivingroom/state",
     "device_class": "temperature",
     "unit_of_measurement": "°C",
     "value_template": "{{ value_json.temperature }}",
     "device": {
-        "identifiers": [
-        "rpisensorgatewayn01"
-        ],
+        "identifiers": ["rpisensorgatewayn01"],
         "manufacturer": "Raspberry",
         "model": "RPI 3B",
         "name": "Livingroom temperature",
-        "sw_version": "MCU9808"
+        "sw_version": "MCU9808",
     },
     "name": "Livingroom temperature",
-    "unique_id": "rpisensorgateway_0x01"
-    }
-client.publish("ha/sensor/sensorLivingroom/config", payload=json.dumps(send_msg), qos=0, retain=True) #publish
-temp1m = array('d',[0,0,0,0,0,0,0,0,0] ) #using array to aproximate 10 temperature readings
+    "unique_id": "rpisensorgateway_0x01",
+}
+client.publish(
+    "ha/sensor/sensorLivingroom/config",
+    payload=json.dumps(send_msg),
+    qos=0,
+    retain=True,
+)  # publish
+temp1m = array(
+    "d", [0, 0, 0, 0, 0, 0, 0, 0, 0]
+)  # using array to aproximate 10 temperature readings
 avgtemp = 0
 while True:
     print(len(temp1m))
-    for count in range (0,9):
+    for count in range(0, 9):
         temp1m[count] = mcp.temperature
         print("Temperature: {} C ".format(mcp.temperature))
         avgtemp = round(np.average(temp1m), 1)
         print("avgtemp {} C".format(avgtemp))
         time.sleep(10)
-    send_msg = {
-        'temperature': avgtemp
-        }
-    client.publish("ha/sensor/sensorLivingroom/state",payload=json.dumps(send_msg)) #publish result in mqtt
+    send_msg = {"temperature": avgtemp}
+    client.publish(
+        "ha/sensor/sensorLivingroom/state", payload=json.dumps(send_msg)
+    )  # publish result in mqtt