Adafruit_IO_Power_Relay: update to settings.toml

Adafruit_IO_Power_Relay/code.py

@@ -2,6 +2,7 @@
 #
 # SPDX-License-Identifier: MIT
 
+import os
 import time
 import board
 import busio
@@ -15,12 +16,10 @@ import adafruit_minimqtt.adafruit_minimqtt as MQTT
 
 ### WiFi ###
 
-# Get wifi details and more from a secrets.py file
-try:
-    from secrets import secrets
-except ImportError:
-    print("WiFi secrets are kept in secrets.py, please add them there!")
-    raise
+secrets = {
+    "ssid" : os.getenv("CIRCUITPY_WIFI_SSID"),
+    "password" : os.getenv("CIRCUITPY_WIFI_PASSWORD"),
+}
 
 # If you are using a board with pre-defined ESP32 Pins:
 esp32_cs = DigitalInOut(board.ESP_CS)
@@ -55,7 +54,7 @@ power_pin.switch_to_output()
 
 ### Feeds ###
 # Set up a feed named Relay for subscribing to the relay feed on Adafruit IO
-feed_relay = secrets["aio_username"] + "/feeds/relay"
+feed_relay = os.getenv("AIO_USERNAME") + "/feeds/relay"
 
 ### Code ###
 
@@ -107,8 +106,8 @@ ssl_context = adafruit_connection_manager.get_radio_ssl_context(esp)
 # Set up a MiniMQTT Client
 client = MQTT.MQTT(
     broker="io.adafruit.com",
-    username=secrets["aio_username"],
-    password=secrets["aio_key"],
+    username=os.getenv("AIO_USERNAME"),
+    password=os.getenv("AIO_KEY"),
     socket_pool=pool,
     ssl_context=ssl_context,
 )