Secrets Cleanup: A

Adafruit_Feather_ESP32-S2/BME280_LC709203_Adafruit_IO/code.py

@@ -3,6 +3,8 @@
 """
 CircuitPython Adafruit IO Example for BME280 and LC709203 Sensors
 """
+
+from os import getenv
 import time
 import ssl
 import alarm
@@ -14,11 +16,21 @@
 from adafruit_io.adafruit_io import IO_HTTP, AdafruitIO_RequestError
 from adafruit_lc709203f import LC709203F, PackSize
 from adafruit_bme280 import basic as adafruit_bme280
-try:
-    from secrets import secrets
-except ImportError:
-    print("WiFi and Adafruit IO credentials are kept in secrets.py, please add them there!")
-    raise
+
+# Get WiFi details and Adafruit IO keys, ensure these are setup in settings.toml
+# (visit io.adafruit.com if you need to create an account, or if you need your Adafruit IO key.)
+ssid = getenv("CIRCUITPY_WIFI_SSID")
+password = getenv("CIRCUITPY_WIFI_PASSWORD")
+aio_username = getenv("ADAFRUIT_AIO_USERNAME")
+aio_key = getenv("ADAFRUIT_AIO_KEY")
+
+if None in [ssid, password, aio_username, aio_key]:
+    raise RuntimeError(
+        "WiFi and Adafruit IO settings are kept in settings.toml, "
+        "please add them there. The settings file must contain "
+        "'CIRCUITPY_WIFI_SSID', 'CIRCUITPY_WIFI_PASSWORD', "
+        "'ADAFRUIT_AIO_USERNAME' and 'ADAFRUIT_AIO_KEY' at a minimum."
+    )
 
 # Duration of sleep in seconds. Default is 600 seconds (10 minutes).
 # Feather will sleep for this duration between sensor readings / sending data to AdafruitIO
@@ -78,9 +90,9 @@ def send_io_data(feed, value):
 # Wi-Fi connections can have issues! This ensures the code will continue to run.
 try:
     # Connect to Wi-Fi
-    wifi.radio.connect(secrets["ssid"], secrets["password"])
-    print("Connected to {}!".format(secrets["ssid"]))
-    print("IP:", wifi.radio.ipv4_address)
+    wifi.radio.connect(ssid, password)
+    print(f"Connected to {ssid}!")
+    print(f"IP: {wifi.radio.ipv4_address}")
 
     pool = socketpool.SocketPool(wifi.radio)
     requests = adafruit_requests.Session(pool, ssl.create_default_context())
@@ -90,12 +102,6 @@ def send_io_data(feed, value):
     print(e)
     go_to_sleep(60)
 
-# Set your Adafruit IO Username and Key in secrets.py
-# (visit io.adafruit.com if you need to create an account,
-# or if you need your Adafruit IO key.)
-aio_username = secrets["aio_username"]
-aio_key = secrets["aio_key"]
-
 # Initialize an Adafruit IO HTTP API object
 io = IO_HTTP(aio_username, aio_key, requests)
 

Adafruit_Feather_ESP32-S2/BME280_LC709203_Simple_Data/code.py

@@ -5,8 +5,8 @@
 """
 import time
 import board
-from adafruit_bme280 import basic as adafruit_bme280
 from adafruit_lc709203f import LC709203F, PackSize
+from adafruit_bme280 import basic as adafruit_bme280
 
 # Create sensor objects, using the board's default I2C bus.
 i2c = board.I2C()  # uses board.SCL and board.SDA

Adafruit_Feather_TFT_ESP32-S2/LC709203_Adafruit_IO/code.py

@@ -3,6 +3,8 @@
 """
 CircuitPython Adafruit IO Example for LC709203 Sensor
 """
+
+from os import getenv
 import time
 import ssl
 import alarm
@@ -13,11 +15,21 @@
 import adafruit_requests
 from adafruit_io.adafruit_io import IO_HTTP
 from adafruit_lc709203f import LC709203F, PackSize
-try:
-    from secrets import secrets
-except ImportError:
-    print("WiFi and Adafruit IO credentials are kept in secrets.py, please add them there!")
-    raise
+
+# Get WiFi details and Adafruit IO keys, ensure these are setup in settings.toml
+# (visit io.adafruit.com if you need to create an account, or if you need your Adafruit IO key.)
+ssid = getenv("CIRCUITPY_WIFI_SSID")
+password = getenv("CIRCUITPY_WIFI_PASSWORD")
+aio_username = getenv("ADAFRUIT_AIO_USERNAME")
+aio_key = getenv("ADAFRUIT_AIO_KEY")
+
+if None in [ssid, password, aio_username, aio_key]:
+    raise RuntimeError(
+        "WiFi and Adafruit IO settings are kept in settings.toml, "
+        "please add them there. The settings file must contain "
+        "'CIRCUITPY_WIFI_SSID', 'CIRCUITPY_WIFI_PASSWORD', "
+        "'ADAFRUIT_AIO_USERNAME' and 'ADAFRUIT_AIO_KEY' at a minimum."
+    )
 
 # Duration of sleep in seconds. Default is 600 seconds (10 minutes).
 # Feather will sleep for this duration between sensor readings / sending data to AdafruitIO
@@ -58,9 +70,9 @@ def send_io_data(feed, value):
 # Wi-Fi connections can have issues! This ensures the code will continue to run.
 try:
     # Connect to Wi-Fi
-    wifi.radio.connect(secrets["ssid"], secrets["password"])
-    print("Connected to {}!".format(secrets["ssid"]))
-    print("IP:", wifi.radio.ipv4_address)
+    wifi.radio.connect(ssid, password)
+    print(f"Connected to {ssid}!")
+    print(f"IP: {wifi.radio.ipv4_address}")
 
     pool = socketpool.SocketPool(wifi.radio)
     requests = adafruit_requests.Session(pool, ssl.create_default_context())
@@ -70,12 +82,6 @@ def send_io_data(feed, value):
     print(e)
     go_to_sleep(60)
 
-# Set your Adafruit IO Username and Key in secrets.py
-# (visit io.adafruit.com if you need to create an account,
-# or if you need your Adafruit IO key.)
-aio_username = secrets["aio_username"]
-aio_key = secrets["aio_key"]
-
 # Initialize an Adafruit IO HTTP API object
 io = IO_HTTP(aio_username, aio_key, requests)
 

Adafruit_Feather_TFT_ESP32-S2/TFT_GitHub_Stars/code.py

@@ -3,6 +3,8 @@
 """
 CircuitPython GitHub Stars viewer
 """
+
+from os import getenv
 import time
 import ssl
 import wifi
@@ -13,12 +15,17 @@
 from adafruit_bitmap_font import bitmap_font
 import adafruit_requests
 
-# Get WiFi details secrets.py file
-try:
-    from secrets import secrets
-except ImportError:
-    print("WiFi secrets are kept in secrets.py, please add them there!")
-    raise
+# Get WiFi details, ensure these are setup in settings.toml
+ssid = getenv("CIRCUITPY_WIFI_SSID")
+password = getenv("CIRCUITPY_WIFI_PASSWORD")
+
+if None in [ssid, password]:
+    raise RuntimeError(
+        "WiFi settings are kept in settings.toml, "
+        "please add them there. The settings file must contain "
+        "'CIRCUITPY_WIFI_SSID', 'CIRCUITPY_WIFI_PASSWORD', "
+        "at a minimum."
+    )
 
 display = board.DISPLAY
 
@@ -38,10 +45,10 @@
 display.root_group = group
 
 # Connect to WiFi
-print("Connecting to %s"%secrets["ssid"])
-wifi.radio.connect(secrets["ssid"], secrets["password"])
-print("Connected to %s!"%secrets["ssid"])
-print("My IP address is", wifi.radio.ipv4_address)
+print(f"Connecting to {ssid}")
+wifi.radio.connect(ssid, password)
+print(f"Connected to {ssid}!")
+print(f"My IP address is {wifi.radio.ipv4_address}")
 
 pool = socketpool.SocketPool(wifi.radio)
 requests = adafruit_requests.Session(pool, ssl.create_default_context())

Adafruit_IO_Air_Quality/code.py

@@ -2,6 +2,7 @@
 #
 # SPDX-License-Identifier: MIT
 
+from os import getenv
 import time
 import board
 import busio
@@ -22,14 +23,22 @@
 # Interval the sensor publishes to Adafruit IO, in minutes
 PUBLISH_INTERVAL = 10
 
-### WiFi ###
+# Get WiFi details and Adafruit IO keys, ensure these are setup in settings.toml
+# (visit io.adafruit.com if you need to create an account, or if you need your Adafruit IO key.)
+ssid = getenv("CIRCUITPY_WIFI_SSID")
+password = getenv("CIRCUITPY_WIFI_PASSWORD")
+aio_username = getenv("ADAFRUIT_AIO_USERNAME")
+aio_key = getenv("ADAFRUIT_AIO_KEY")
+
+if None in [ssid, password, aio_username, aio_key]:
+    raise RuntimeError(
+        "WiFi and Adafruit IO settings are kept in settings.toml, "
+        "please add them there. The settings file must contain "
+        "'CIRCUITPY_WIFI_SSID', 'CIRCUITPY_WIFI_PASSWORD', "
+        "'ADAFRUIT_AIO_USERNAME' and 'ADAFRUIT_AIO_KEY' at a minimum."
+    )
 
-# 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
+### WiFi ###
 
 # AirLift FeatherWing
 esp32_cs = DigitalInOut(board.D13)
@@ -38,8 +47,8 @@
 
 spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
 esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
-status_light = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=0.2)
-wifi = adafruit_esp32spi_wifimanager.ESPSPI_WiFiManager(esp, secrets, status_light)
+status_pixel = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=0.2)
+wifi = adafruit_esp32spi_wifimanager.WiFiManager(esp, ssid, password, status_pixel=status_pixel)
 
 # Connect to a PM2.5 sensor over UART
 reset_pin = None
@@ -142,19 +151,19 @@ def read_bme(is_celsius=False):
 
 
 # Create an instance of the Adafruit IO HTTP client
-io = IO_HTTP(secrets["aio_user"], secrets["aio_key"], wifi)
+io = IO_HTTP(aio_username, aio_key, wifi)
 
 # Describes feeds used to hold Adafruit IO data
 feed_aqi = io.get_feed("air-quality-sensor.aqi")
 feed_aqi_category = io.get_feed("air-quality-sensor.category")
 feed_humidity = io.get_feed("air-quality-sensor.humidity")
 feed_temperature = io.get_feed("air-quality-sensor.temperature")
 
-# Set up location metadata from secrets.py file
+# Set up location metadata from settings.toml file
 location_metadata = {
-    "lat": secrets["latitude"],
-    "lon": secrets["longitude"],
-    "ele": secrets["elevation"],
+    "lat": getenv("latitude"),
+    "lon": getenv("longitude"),
+    "ele": getenv("elevation"),
 }
 
 elapsed_minutes = 0

Adafruit_IO_Power_Relay/code.py

@@ -14,12 +14,19 @@
 
 import adafruit_minimqtt.adafruit_minimqtt as MQTT
 
-### WiFi ###
+# Get WiFi details, ensure these are setup in settings.toml
+ssid = os.getenv("CIRCUITPY_WIFI_SSID")
+password = os.getenv("CIRCUITPY_WIFI_PASSWORD")
+
+if None in [ssid, password]:
+    raise RuntimeError(
+        "WiFi settings are kept in settings.toml, "
+        "please add them there. The settings file must contain "
+        "'CIRCUITPY_WIFI_SSID', 'CIRCUITPY_WIFI_PASSWORD', "
+        "at a minimum."
+    )
 
-secrets = {
-    "ssid" : os.getenv("CIRCUITPY_WIFI_SSID"),
-    "password" : os.getenv("CIRCUITPY_WIFI_PASSWORD"),
-}
+### WiFi ###
 
 # If you are using a board with pre-defined ESP32 Pins:
 esp32_cs = DigitalInOut(board.ESP_CS)
@@ -34,19 +41,19 @@
 spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
 esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
 """Use below for Most Boards"""
-status_light = neopixel.NeoPixel(
+status_pixel = neopixel.NeoPixel(
     board.NEOPIXEL, 1, brightness=0.2
 )  # Uncomment for Most Boards
 """Uncomment below for ItsyBitsy M4"""
-# status_light = dotstar.DotStar(board.APA102_SCK, board.APA102_MOSI, 1, brightness=0.2)
+# status_pixel = dotstar.DotStar(board.APA102_SCK, board.APA102_MOSI, 1, brightness=0.2)
 # Uncomment below for an externally defined RGB LED
 # import adafruit_rgbled
 # from adafruit_esp32spi import PWMOut
 # RED_LED = PWMOut.PWMOut(esp, 26)
 # GREEN_LED = PWMOut.PWMOut(esp, 27)
 # BLUE_LED = PWMOut.PWMOut(esp, 25)
-# status_light = adafruit_rgbled.RGBLED(RED_LED, BLUE_LED, GREEN_LED)
-wifi = adafruit_esp32spi_wifimanager.ESPSPI_WiFiManager(esp, secrets, status_light)
+# status_pixel = adafruit_rgbled.RGBLED(RED_LED, BLUE_LED, GREEN_LED)
+wifi = adafruit_esp32spi_wifimanager.WiFiManager(esp, ssid, password, status_pixel=status_pixel)
 
 # Set up a pin for controlling the relay
 power_pin = DigitalInOut(board.D3)

Adafruit_IO_Power_Relay/code_light_sensor/code.py

@@ -2,6 +2,7 @@
 #
 # SPDX-License-Identifier: MIT
 
+from os import getenv
 import time
 import board
 import busio
@@ -14,6 +15,21 @@
 
 import adafruit_minimqtt.adafruit_minimqtt as MQTT
 
+# Get WiFi details and Adafruit IO keys, ensure these are setup in settings.toml
+# (visit io.adafruit.com if you need to create an account, or if you need your Adafruit IO key.)
+ssid = getenv("CIRCUITPY_WIFI_SSID")
+password = getenv("CIRCUITPY_WIFI_PASSWORD")
+aio_username = getenv("ADAFRUIT_AIO_USERNAME")
+aio_key = getenv("ADAFRUIT_AIO_KEY")
+
+if None in [ssid, password, aio_username, aio_key]:
+    raise RuntimeError(
+        "WiFi and Adafruit IO settings are kept in settings.toml, "
+        "please add them there. The settings file must contain "
+        "'CIRCUITPY_WIFI_SSID', 'CIRCUITPY_WIFI_PASSWORD', "
+        "'ADAFRUIT_AIO_USERNAME' and 'ADAFRUIT_AIO_KEY' at a minimum."
+    )
+
 ### Sensor Calibration ###
 # Appliance power LED's light level, in Lux
 APPLIANCE_ON_LUX = 30.0
@@ -22,13 +38,6 @@
 
 ### 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
-
 # If you are using a board with pre-defined ESP32 Pins:
 esp32_cs = DigitalInOut(board.ESP_CS)
 esp32_ready = DigitalInOut(board.ESP_BUSY)
@@ -42,19 +51,19 @@
 spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
 esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
 """Use below for Most Boards"""
-status_light = neopixel.NeoPixel(
+status_pixel = neopixel.NeoPixel(
     board.NEOPIXEL, 1, brightness=0.2
 )  # Uncomment for Most Boards
 """Uncomment below for ItsyBitsy M4"""
-# status_light = dotstar.DotStar(board.APA102_SCK, board.APA102_MOSI, 1, brightness=0.2)
+# status_pixel = dotstar.DotStar(board.APA102_SCK, board.APA102_MOSI, 1, brightness=0.2)
 # Uncomment below for an externally defined RGB LED
 # import adafruit_rgbled
 # from adafruit_esp32spi import PWMOut
 # RED_LED = PWMOut.PWMOut(esp, 26)
 # GREEN_LED = PWMOut.PWMOut(esp, 27)
 # BLUE_LED = PWMOut.PWMOut(esp, 25)
-# status_light = adafruit_rgbled.RGBLED(RED_LED, BLUE_LED, GREEN_LED)
-wifi = adafruit_esp32spi_wifimanager.ESPSPI_WiFiManager(esp, secrets, status_light)
+# status_pixel = adafruit_rgbled.RGBLED(RED_LED, BLUE_LED, GREEN_LED)
+wifi = adafruit_esp32spi_wifimanager.WiFiManager(esp, ssid, password, status_pixel=status_pixel)
 
 # Set up a pin for controlling the relay
 power_pin = DigitalInOut(board.D3)
@@ -67,10 +76,10 @@
 
 ### 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 = f"{aio_username}/feeds/relay"
 
 # Set up a feed named status for subscribing to the status feed on Adafruit IO
-feed_status = secrets["aio_username"] + "/feeds/status"
+feed_status = f"{aio_username}/feeds/status"
 
 ### Code ###
 
@@ -122,8 +131,8 @@ def on_relay_msg(client, topic, value):
 # Set up a MiniMQTT Client
 client = MQTT.MQTT(
     broker="io.adafruit.com",
-    username=secrets["aio_username"],
-    password=secrets["aio_key"],
+    username=aio_username,
+    password=aio_key,
     socket_pool=pool,
     ssl_context=ssl_context,
 )