Updating both .py files for ruff errors

config.example.py

@@ -1,14 +1,14 @@
 # Wi-Fi credentials
-WIFI_SSID = "YourSSID"           # Set this to your Wi-Fi network name
+WIFI_SSID = "YourSSID"  # Set this to your Wi-Fi network name
-WIFI_PASS = "YourPassword"       # Set this to your Wi-Fi network password
+WIFI_PASS = "YourPassword"  # Set this to your Wi-Fi network password
 
 # MQTT broker details
-MQTT_HOST = "192.168.1.50"       # MQTT broker IP/hostname
+MQTT_HOST = "192.168.1.50"  # MQTT broker IP/hostname
-MQTT_PORT = 1883                 # MQTT broker port
+MQTT_PORT = 1883  # MQTT broker port
-MQTT_USER = "mqtt_user"          # MQTT username (leave blank for no login)
+MQTT_USER = "mqtt_user"  # MQTT username (leave blank for no login)
-MQTT_PASS = "mqtt_password"      # MQTT password (leave blank for no login)
+MQTT_PASS = "mqtt_password"  # MQTT password (leave blank for no login)
 
 # Home Assistant node details
-NODE_NAME = "Room Weather"       # Name that's displayed on HA Device Card
+NODE_NAME = "Room Weather"  # Name that's displayed on HA Device Card
-NODE_ID   = "room_env"           # Unique slug for entity_id and MQTT topic path
+NODE_ID = "room_env"  # Unique slug for entity_id and MQTT topic path
 CLIENT_ID = f"pico2w_{NODE_ID}"  # Unique client ID used by the MQTT broker

main.py

@@ -1,8 +1,8 @@
-import time
-import struct
 import socket
-import network
+import struct
+import time
 from machine import Pin, SoftI2C
+import network
 
 # -------------------------------------------------------------
 # Configuration Loader
@@ -43,7 +43,9 @@ class SimpleMQTT:
             flags |= 0x40
 
         # Variable header: Protocol Name (MQTT) + Level (4) + Flags + KeepAlive (60s)
-        var_header = bytearray([0x00, 0x04, ord('M'), ord('Q'), ord('T'), ord('T'), 0x04, flags, 0x00, 0x3C])
+        var_header = bytearray(
+            [0x00, 0x04, ord("M"), ord("Q"), ord("T"), ord("T"), 0x04, flags, 0x00, 0x3C]
+        )
 
         # Payload
         payload = bytearray()
@@ -109,7 +111,7 @@ class BME280:
         self.addr = addr
 
         # Reset sensor
-        self.i2c.writeto_mem(self.addr, 0xE0, b"\xB6")
+        self.i2c.writeto_mem(self.addr, 0xE0, b"\xb6")
         time.sleep(0.1)
 
         self._read_calibration_data()
@@ -119,7 +121,7 @@ class BME280:
         # Pressure oversampling x1, Temp oversampling x1, Normal mode
         self.i2c.writeto_mem(self.addr, 0xF4, b"\x27")
         # Standby 1000ms, filter off
-        self.i2c.writeto_mem(self.addr, 0xF5, b"\xA0")
+        self.i2c.writeto_mem(self.addr, 0xF5, b"\xa0")
 
     def _read_calibration_data(self):
         calib = self.i2c.readfrom_mem(self.addr, 0x88, 24)
@@ -149,13 +151,17 @@ class BME280:
 
         # Temperature calculation (Celsius)
         var1 = (((raw_t >> 3) - (self.dig_t1 << 1)) * self.dig_t2) >> 11
-        var2 = (((((raw_t >> 4) - self.dig_t1) * ((raw_t >> 4) - self.dig_t1)) >> 12) * self.dig_t3) >> 14
+        var2 = (
+            (((raw_t >> 4) - self.dig_t1) * ((raw_t >> 4) - self.dig_t1)) >> 12
+        ) * self.dig_t3 >> 14
         t_fine = var1 + var2
         temp = ((t_fine * 5 + 128) >> 8) / 100.0
 
         # Pressure calculation (hPa)
         p_var1 = t_fine - 128000
-        p_var2 = p_var1 * p_var1 * self.dig_p6 + ((p_var1 * self.dig_p5) << 17) + (self.dig_p4 << 35)
+        p_var2 = (
+            p_var1 * p_var1 * self.dig_p6 + ((p_var1 * self.dig_p5) << 17) + (self.dig_p4 << 35)
+        )
         p_var1 = ((p_var1 * p_var1 * self.dig_p3) >> 8) + ((p_var1 * self.dig_p2) << 12)
         p_var1 = (((1 << 47) + p_var1) * self.dig_p1) >> 33
 
@@ -171,19 +177,19 @@ class BME280:
 
         # Humidity calculation (%)
         h_var = t_fine - 76800
-        h_var = (
+        h_var = ((((raw_h << 14) - (self.dig_h4 << 20) - (self.dig_h5 * h_var)) + 16384) >> 15) * (
-            ((((raw_h << 14) - (self.dig_h4 << 20) - (self.dig_h5 * h_var)) + 16384) >> 15)
+            (
-            * (
                 (
                     (
-                        ((((h_var * self.dig_h6) >> 10) * (((h_var * self.dig_h3) >> 11) + 32768)) >> 10)
+                        (((h_var * self.dig_h6) >> 10) * (((h_var * self.dig_h3) >> 11) + 32768))
-                        + 2097152
+                        >> 10
                     )
-                    * self.dig_h2
+                    + 2097152
-                    + 8192
                 )
-                >> 14
+                * self.dig_h2
+                + 8192
             )
+            >> 14
         )
         h_var = h_var - (((((h_var >> 15) * (h_var >> 15)) >> 7) * self.dig_h1) >> 4)
         h_var = max(0, min(h_var, 419430400))
@@ -192,7 +198,7 @@ class BME280:
         return {
             "temperature": round(temp, 2),
             "pressure": round(pressure, 2),
-            "humidity": round(humidity, 2)
+            "humidity": round(humidity, 2),
         }
 
 
@@ -207,7 +213,7 @@ def register_ha_discovery(mqtt):
         f'"name":"{NODE_NAME}",'
         f'"model":"Pico 2 W",'
         f'"manufacturer":"Raspberry Pi"'
-        f'}}'
+        f"}}"
     )
 
     configs = [
@@ -216,22 +222,22 @@ def register_ha_discovery(mqtt):
             "name": "Temperature",
             "unit": "°C",
             "cls": "temperature",
-            "val_tpl": "{{ value_json.temperature }}"
+            "val_tpl": "{{ value_json.temperature }}",
         },
         {
             "id": "humidity",
             "name": "Humidity",
             "unit": "%",
             "cls": "humidity",
-            "val_tpl": "{{ value_json.humidity }}"
+            "val_tpl": "{{ value_json.humidity }}",
         },
         {
             "id": "pressure",
             "name": "Pressure",
             "unit": "hPa",
             "cls": "atmospheric_pressure",
-            "val_tpl": "{{ value_json.pressure }}"
+            "val_tpl": "{{ value_json.pressure }}",
-        }
+        },
     ]
 
     for c in configs:
@@ -246,7 +252,7 @@ def register_ha_discovery(mqtt):
             f'"unit_of_measurement":"{c["unit"]}",'
             f'"state_topic":"{STATE_TOPIC}",'
             f'"value_template":"{c["val_tpl"]}",'
-            f'{device_info}}}'
+            f"{device_info}}}"
         )
         mqtt.publish(topic, payload, retain=True)
         print(f"Registered HA discovery: {c['id']}")
@@ -272,7 +278,7 @@ def connect_wifi():
 
 
 def main():
-    # Adjust SDA/SCL pins according to your wiring (Default GP4/GP5 for SoftI2C)
+    # Adjust SDA/SCL pins according to your wiring
     i2c = SoftI2C(sda=Pin(16), scl=Pin(17), freq=100000)
     bme = BME280(i2c)