Secrets Cleanup: L, M and O

MacroPad_Scramble_Lock/code.py

@@ -22,7 +22,7 @@ from adafruit_macropad import MacroPad
 # CONFIGURABLES ------------------------
 
 # Password information
-#  For higher security, place password in a separate file like secrets.py
+#  For higher security, place password in a separate file like settings.toml
 PASSWORD = "2468"
 PASSWORD_LENGTH = len(PASSWORD)
 

Macropad_2FA_TOTP/.circuitpython.skip

@@ -1,6 +0,0 @@
-Macropad_2FA_TOTP/secrets.py 19: Final newline missing (missing-final-newline)
-Macropad_2FA_TOTP/secrets.py 19: Unexpected line ending format. There is 'CRLF' while it should be 'LF'. (unexpected-line-ending-format)
-Macropad_2FA_TOTP/rtc_setter.py 35: Final newline missing (missing-final-newline)
-Macropad_2FA_TOTP/rtc_setter.py 35: Unexpected line ending format. There is 'CRLF' while it should be 'LF'. (unexpected-line-ending-format)
-Macropad_2FA_TOTP/macropad_totp.py 77: Line too long (103/100) (line-too-long)
-Macropad_2FA_TOTP/macropad_totp.py 169: Redefining name 'code' from outer scope (line 65) (redefined-outer-name)

Macropad_2FA_TOTP/code.py

@@ -31,15 +31,11 @@ DISPLAY_TIMEOUT = 60   # screen saver timeout in seconds
 DISPLAY_RATE = 1       # screen refresh rate
 #-------------------------------------------------------------------------
 
-# Get secrets from a secrets.py file
+# Get totp_keys from a totp_keys.py file
 try:
-    from secrets import secrets
-    totp_keys = secrets["totp_keys"]
+    from totp_keys import totp_keys
 except ImportError:
-    print("Secrets are kept in secrets.py, please add them there!")
-    raise
-except KeyError:
-    print("TOTP info not found in secrets.py.")
+    print("TOTP info not found in totp_keys.py, please add them there!")
     raise
 
 # set board to use PCF8523 as its RTC
@@ -80,7 +76,9 @@ rtc_time = label.Label(terminalio.FONT, text="12:34:56 AM")
 rtc_time.anchor_point = (0.0, 0.5)
 rtc_time.anchored_position = (0, 59)
 
-progress_bar = HorizontalProgressBar((68, 46), (55, 17), bar_color=0xFFFFFF, min_value=0, max_value=30)
+progress_bar = HorizontalProgressBar(
+    (68, 46), (55, 17), bar_color=0xFFFFFF, min_value=0, max_value=30
+)
 
 splash = displayio.Group()
 splash.append(name)
@@ -172,15 +170,15 @@ def generate_otp(int_input, secret_key, digits=6):
              int_to_bytestring(int_input)).digest()
     )
     offset = hmac_hash[-1] & 0xf
-    code = ((hmac_hash[offset] & 0x7f) << 24 |
-            (hmac_hash[offset + 1] & 0xff) << 16 |
-            (hmac_hash[offset + 2] & 0xff) << 8 |
-            (hmac_hash[offset + 3] & 0xff))
-    str_code = str(code % 10 ** digits)
-    while len(str_code) < digits:
-        str_code = '0' + str_code
+    otp_code = ((hmac_hash[offset] & 0x7f) << 24 |
+               (hmac_hash[offset + 1] & 0xff) << 16 |
+               (hmac_hash[offset + 2] & 0xff) << 8 |
+               (hmac_hash[offset + 3] & 0xff))
+    str_otp_code = str(otp_code % 10 ** digits)
+    while len(str_otp_code) < digits:
+        str_otp_code = '0' + str_otp_code
 
-    return str_code
+    return str_otp_code
 
 #-------------------------------------------------------------------------
 #                    M A C R O P A D    S E T U P

Macropad_2FA_TOTP/secrets.py

@@ -1,23 +0,0 @@
-# SPDX-FileCopyrightText: 2021 Carter Nelson for Adafruit Industries
-#
-# SPDX-License-Identifier: MIT
-
-# This file is where you keep secret settings, passwords, and tokens!
-# If you put them in the code you risk committing that info or sharing it
-
-secrets = {
-                  # tuples of name, sekret key, color
-    'totp_keys' : [("Github", "JBSWY3DPEHPK3PXP", 0x8732A8),
-                   ("Discord", "JBSWY3DPEHPK3PXQ", 0x32A89E),
-                   ("Slack", "JBSWY5DZEHPK3PXR", 0xFC861E),
-                   ("Basecamp", "JBSWY6DZEHPK3PXS", 0x55C24C),
-                   ("Gmail", "JBSWY7DZEHPK3PXT", 0x3029FF),
-                   None,
-                   None, # must have 12 entires
-                   None, # set None for unused keys
-                   None,
-                   ("Hello Kitty", "JBSWY7DZEHPK3PXU", 0xED164F),
-                   None,
-                   None,
-                  ]
-    }

Macropad_2FA_TOTP/totp_keys.py

@@ -0,0 +1,22 @@
+# SPDX-FileCopyrightText: 2021 Carter Nelson for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
+# This file contains totp codes!
+# If you put them in the code you risk committing that info or sharing it
+
+# tuples of name, key, color
+totp_keys = [
+    ("Github", "JBSWY3DPEHPK3PXP", 0x8732A8),
+    ("Discord", "JBSWY3DPEHPK3PXQ", 0x32A89E),
+    ("Slack", "JBSWY5DZEHPK3PXR", 0xFC861E),
+    ("Basecamp", "JBSWY6DZEHPK3PXS", 0x55C24C),
+    ("Gmail", "JBSWY7DZEHPK3PXT", 0x3029FF),
+    None,
+    None, # must have 12 entires
+    None, # set None for unused keys
+    None,
+    ("Hello Kitty", "JBSWY7DZEHPK3PXU", 0xED164F),
+    None,
+    None,
+]

MagTag/MagTag_Google_Calendar/authenticator.py

@@ -1,21 +1,25 @@
 # SPDX-FileCopyrightText: 2021 Brent Rubell, written for Adafruit Industries
 #
 # SPDX-License-Identifier: Unlicense
+
+from os import getenv
 from adafruit_oauth2 import OAuth2
 from adafruit_display_text.label import Label
 from adafruit_bitmap_font import bitmap_font
 from adafruit_magtag.magtag import Graphics, Network
 from adafruit_display_shapes.rect import Rect
 
-# Add a secrets.py to your filesystem that has a dictionary called secrets with "ssid" and
-# "password" keys with your WiFi credentials. DO NOT share that file or commit it into Git or other
-# source control.
-# pylint: disable=no-name-in-module,wrong-import-order
-try:
-    from secrets import secrets
-except ImportError:
-    print("Credentials and tokens 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."
+    )
 
 network = Network()
 network.connect()
@@ -57,8 +61,8 @@ scopes = ["https://www.googleapis.com/auth/calendar.readonly"]
 # Initialize an OAuth2 object
 google_auth = OAuth2(
     network.requests,
-    secrets["google_client_id"],
-    secrets["google_client_secret"],
+    getenv("google_client_id"),
+    getenv("google_client_secret"),
     scopes,
 )
 
@@ -90,9 +94,9 @@ if not google_auth.wait_for_authorization():
     raise RuntimeError("Timed out waiting for browser response!")
 
 print("Successfully Authenticated with Google!")
-print("Add the following lines to your secrets.py file:")
-print("\t'google_access_token' " + ":" + " '%s'," % google_auth.access_token)
-print("\t'google_refresh_token' " + ":" + " '%s'" % google_auth.refresh_token)
+print("Add the following lines to your settings.toml file:")
+print(f'google_access_token="{google_auth.access_token}"')
+print(f'google_refresh_token="{google_auth.refresh_token}"')
 
 graphics.splash.pop()
 graphics.splash.pop()
@@ -100,6 +104,6 @@ graphics.splash.pop()
 
 label_overview_text.text = "Successfully Authenticated!"
 label_verification_url.text = (
-    "Check the REPL for tokens to add\n\tto your secrets.py file"
+    "Check the REPL for tokens to add\n\tto your settings.toml file"
 )
 display.refresh()

MagTag/MagTag_Google_Calendar/code.py

@@ -1,12 +1,26 @@
 # SPDX-FileCopyrightText: 2021 Brent Rubell, written for Adafruit Industries
 #
 # SPDX-License-Identifier: Unlicense
+
+from os import getenv
 import time
 import rtc
 from adafruit_oauth2 import OAuth2
 from adafruit_display_shapes.line import Line
 from adafruit_magtag.magtag import MagTag
 
+# 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."
+    )
+
 # Calendar ID
 CALENDAR_ID = "YOUR_CALENDAR_ID"
 
@@ -42,15 +56,6 @@ WEEKDAYS = {
     6: "Sunday",
 }
 
-# Add a secrets.py to your filesystem that has a dictionary called secrets with "ssid" and
-# "password" keys with your WiFi credentials. DO NOT share that file or commit it into Git or other
-# source control.
-# pylint: disable=no-name-in-module,wrong-import-order
-try:
-    from secrets import secrets
-except ImportError:
-    print("Credentials and tokens are kept in secrets.py, please add them there!")
-    raise
 
 # Create a new MagTag object
 magtag = MagTag()
@@ -62,18 +67,18 @@ magtag.network.connect()
 scopes = ["https://www.googleapis.com/auth/calendar.readonly"]
 google_auth = OAuth2(
     magtag.network.requests,
-    secrets["google_client_id"],
-    secrets["google_client_secret"],
+    getenv("google_client_id"),
+    getenv("google_client_secret"),
     scopes,
-    secrets["google_access_token"],
-    secrets["google_refresh_token"],
+    getenv("google_access_token"),
+    getenv("google_refresh_token"),
 )
 
 
 def get_current_time(time_max=False):
     """Gets local time from Adafruit IO and converts to RFC3339 timestamp."""
     # Get local time from Adafruit IO
-    magtag.get_local_time(secrets["timezone"])
+    magtag.get_local_time(getenv("timezone"))
     # Format as RFC339 timestamp
     cur_time = r.datetime
     if time_max:  # maximum time to fetch events is midnight (4:59:59UTC)

MagTag/MagTag_NextBus/code.py

@@ -11,9 +11,10 @@ MIT license, all text above must be included in any redistribution.
 """
 
 # pylint: disable=import-error
+
+from os import getenv
 import gc
 import time
-from secrets import secrets
 import displayio
 from rtc import RTC
 from adafruit_magtag.magtag import Graphics
@@ -23,6 +24,17 @@ from adafruit_bitmap_font import bitmap_font
 from adafruit_display_text.label import Label
 from nextbus import NextBus
 
+# 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."
+    )
 
 # CONFIGURABLE SETTINGS ----------------------------------------------------
 
@@ -54,15 +66,12 @@ MINIMUM_TIME = 5 * 60
 # not a big problem if this drifts a bit due to infrequent synchronizations.
 # 6 hour default.
 CLOCK_SYNC_INTERVAL = 6 * 60 * 60
-# Load time zone string from secrets.py, else IP geolocation is used
+# Load time zone string from settings.toml, else IP geolocation is used
 # (http://worldtimeapi.org/api/timezone for list). Again, this is only
 # used for the 'Last checked' display, not predictions, so it's not
 # especially disruptive if missing.
 # pylint: disable=bare-except
-try:
-    TIME_ZONE = secrets['timezone'] # e.g. 'America/New_York'
-except:
-    TIME_ZONE = None # Use IP geolocation
+TIME_ZONE = getenv('timezone') # e.g. 'America/New_York'
 
 
 # SOME UTILITY FUNCTIONS ---------------------------------------------------

MagTag/MagTag_Project_Selector/secrets.py

@@ -1,16 +0,0 @@
-# SPDX-FileCopyrightText: 2020 Eva Herrada for Adafruit Industries
-#
-# SPDX-License-Identifier: MIT
-
-# This file is where you keep secret settings, passwords, and tokens!
-# If you put them in the code you risk committing that info or sharing it
-
-secrets = {
-    "ssid": "wifi_network",
-    "password": "wifi_password",
-    "timezone": "America/New_York",  # http://worldtimeapi.org/timezones
-    "openweather_token": "my_openweather_token",
-    "openweather_location": "New York City, US",
-    "aio_username": "my_adafruit_io_username",
-    "aio_key": "my_adafruit_io_key",
-}

MagTag/MagTag_Project_Selector/settings.toml

@@ -0,0 +1,14 @@
+# SPDX-FileCopyrightText: 2020 Eva Herrada for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
+# This file is where you keep private settings, passwords, and tokens!
+# If you put them in the code you risk committing that info or sharing it
+
+CIRCUITPY_WIFI_SSID="your-wifi-ssid"
+CIRCUITPY_WIFI_PASSWORD="your-wifi-password"
+ADAFRUIT_AIO_USERNAME="my_username"
+ADAFRUIT_AIO_KEY="my_key"
+timezone="America/New_York"  # http://worldtimeapi.org/timezones
+openweather_token="my_openweather_token"
+openweather_location="New York City, US"

MagTag/MagTag_Quote_Board/code.py

@@ -4,11 +4,24 @@
 
 # MagTag Quote Board
 # Displays Quotes from the Adafruit quotes server
-# Be sure to put WiFi access point info in secrets.py file to connect
+# Be sure to put WiFi access point info in settings.toml file to connect
 
+from os import getenv
 import time
 from adafruit_magtag.magtag import MagTag
 
+# 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."
+    )
+
 # Set up where we'll be fetching data from
 DATA_SOURCE = "https://www.adafruit.com/api/quotes.php"
 QUOTE_LOCATION = [0, "text"]

MagTag/MagTag_Seasonal_Produce/code.py

@@ -9,14 +9,27 @@ Lists in-season fruits and vegetables for a user's location and season.
 """
 
 # pylint: disable=import-error, line-too-long
+
+from os import getenv
 import time
-from secrets import secrets
 import rtc
 from adafruit_display_shapes.rect import Rect
 from adafruit_magtag.magtag import MagTag
 from produce import Produce
 
 
+# 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."
+    )
+
 # CONFIGURABLE SETTINGS and ONE-TIME INITIALIZATION ------------------------
 
 TWELVE_HOUR = True # If set, show 12-hour vs 24-hour (e.g. 3:00 vs 15:00)
@@ -24,9 +37,9 @@ DD_MM = False      # If set, show DD/MM instead of MM/DD dates
 # Location of produce data (file:// or http:// or https://):
 JSON_URL = 'https://raw.githubusercontent.com/adafruit/Adafruit_Learning_System_Guides/master/MagTag_Seasonal_Produce/produce.json'
 
-# Location is configured in secrets.py. If location is not contained there,
+# Location is configured in settings.toml. If location is not contained there,
 # default value below will be used.
-LOCATION = secrets.get('location', 'NY') # default to 'NY'
+LOCATION = getenv('location', 'NY') # default to 'NY'
 
 PRODUCE = Produce(JSON_URL, LOCATION)
 MAGTAG = MagTag(rotation=0) # Portrait (vertical) display

MagTag/MagTag_Showerthoughts/code.py

@@ -3,12 +3,24 @@
 # SPDX-License-Identifier: MIT
 
 # MagTag Shower Thoughts
-# Be sure to put WiFi access point info in secrets.py file to connect
+# Be sure to put WiFi access point info in settings.toml file to connect
 
+from os import getenv
 import time
 import random
 from adafruit_magtag.magtag import MagTag
 
+# 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."
+    )
 
 # Set up where we'll be fetching data from
 DATA_SOURCE = "https://www.reddit.com/r/showerthoughts/hot.json?limit=10"

MagTag/MagTag_Showtimes/code.py

@@ -4,13 +4,26 @@
 
 # MagTag Showtimes Event Viewer
 # Uses the events.json file to display next or current event
-# Be sure to put WiFi access point info in secrets.py file to connect
+# Be sure to put WiFi access point info in settings.toml file to connect
 
+from os import getenv
 import time
 import json
 import re
 from adafruit_magtag.magtag import MagTag
 
+# 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."
+    )
+
 # You can test by setting a time.struct here, to pretend its a different day
 # (tm_year, tm_mon, tm_mday, tm_hour, tm_min, tm_sec, tm_wday, tm_yday, tm_isdst)
 FAKETIME = False  # time.struct_time(2020, 12, 11,     15, 01, 00,    4, 346, -1)

MagTag/MagTag_SimpleClock/code.py

@@ -31,7 +31,6 @@ while True:
     if HOUR_MODE_24:
         timestr = "%d:%02d" % (hour, minute)
     else:
-        is_pm = (hour >= 12)
         hour %= 12
         if hour == 0:
             hour = 12

MagTag/MagTag_Sports_Schedule/code.py

@@ -2,19 +2,31 @@
 # SPDX-License-Identifier: MIT
 
 # MagTag Sports Schedule Viewer
-# Be sure to add your wifi credentials to the secrets.py file
+# Be sure to add your wifi credentials to the settings.toml file
 
 # Press D to advance to next game
 # Press C to go back one game
 # Press B to refresh the schedule (this takes a minute)
 # Press A to advance to next sport (this takes a minute)
 
-
+from os import getenv
 import time
 import json
 from adafruit_datetime import datetime, timedelta
 from adafruit_magtag.magtag import MagTag
 
+# 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."
+    )
+
 USE_24HR_TIME = False
 TIME_ZONE_OFFSET = -8  # hours ahead or behind Zulu time, e.g. Pacific is -8
 TIME_ZONE_NAME = "PST"
@@ -186,7 +198,7 @@ def update_labels():
 def fetch_sports_data(reset_game_number=True):
     # Fetches and parses data for all games for the current sport
     # pylint: disable=global-statement
-    global sports_data, current_game, current_sport
+    global current_game
     magtag.url = SPORTS[current_sport]["url"]
     sports_data.clear()
     raw_data = json.loads(magtag.fetch(auto_refresh=False))

MagTag/MagTag_Twitter/code.py

@@ -2,17 +2,22 @@
 # SPDX-FileCopyrightText: 2020 Brent Rubell for Adafruit Industries.
 #
 # SPDX-License-Identifier: Unlicense
+
+from os import getenv
 import time
 from adafruit_magtag.magtag import MagTag
 
-try:
-    from secrets import secrets
-except ImportError:
-    print(
-        """WiFi settings are kept in secrets.py, please add them there!
-the secrets dictionary must contain 'ssid' and 'password' at a minimum"""
+# 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."
     )
-    raise
 
 # Set to the twitter username you'd like to fetch tweets from
 TWITTER_USERNAME = "adafruit"
@@ -31,7 +36,7 @@ TWEET_HANDLE = [0, "user", "screen_name"]
 
 magtag = MagTag(url=DATA_SOURCE, json_path=(TWEET_FULL_NAME, TWEET_HANDLE, TWEET_TEXT))
 # Set Twitter OAuth2.0 Bearer Token
-bearer_token = secrets["twitter_bearer_token"]
+bearer_token = getenv("twitter_bearer_token")
 magtag.set_headers({"Authorization": "Bearer " + bearer_token})
 
 # Display setup

MagTag/MagTag_Weather/.circuitpython.skip

@@ -1,2 +0,0 @@
-MagTag_Weather/magtag_weather.py 269: Trailing newlines (trailing-newlines)
-MagTag_Weather/magtag_weather.py 7: standard import "from secrets import secrets" should be placed before "import terminalio" (wrong-import-order)

MagTag/MagTag_Weather/forecast/code.py

@@ -3,13 +3,25 @@
 # SPDX-License-Identifier: MIT
 # pylint: disable=redefined-outer-name, eval-used, wrong-import-order
 
+from os import getenv
 import time
 import terminalio
 import displayio
 import adafruit_imageload
 from adafruit_display_text import label
 from adafruit_magtag.magtag import MagTag
-from secrets import secrets
+
+# 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."
+    )
 
 # --| USER CONFIG |--------------------------
 METRIC = False  # set to True for metric units
@@ -74,7 +86,7 @@ def get_data_source_url(api="forecast", location=None):
         URL += "&lon={}".format(location[1])
     else:
         raise ValueError("Unknown API type: " + api)
-    return URL + "&appid=" + secrets["openweather_token"]
+    return URL + "&appid=" + getenv("openweather_token")
 
 
 def get_latlon(city_name):
@@ -245,18 +257,20 @@ def go_to_sleep(current_time):
 # ===========
 # Location
 # ===========
-if isinstance(secrets["openweather_location"], str):
+openweather_location = getenv("openweather_location")
+is_lat_long = "," in openweather_location
+if openweather_location and not is_lat_long:
     # Get lat/lon using city name
-    city = secrets["openweather_location"]
+    city = openweather_location
     print("Getting lat/lon for city:", city)
     latlon = get_latlon(city)
-elif isinstance(secrets["openweather_location"], tuple):
+elif openweather_location:
     # Get city name using lat/lon
-    latlon = secrets["openweather_location"]
+    latlon = openweather_location.split(",")
     print("Getting city name for lat/lon:", latlon)
     city = get_city(latlon)
 else:
-    raise ValueError("Unknown location:", secrets["openweather_location"])
+    raise ValueError(f"Unknown location:{openweather_location}")
 
 print("City =", city)
 print("Lat/Lon = ", latlon)

MagTag/MagTag_Weather/onecall/code.py

@@ -3,13 +3,25 @@
 # SPDX-License-Identifier: MIT
 # pylint: disable=redefined-outer-name, eval-used, wrong-import-order
 
+from os import getenv
 import time
 import terminalio
 import displayio
 import adafruit_imageload
 from adafruit_display_text import label
 from adafruit_magtag.magtag import MagTag
-from secrets import secrets
+
+# 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."
+    )
 
 # --| USER CONFIG |--------------------------
 METRIC = False  # set to True for metric units
@@ -68,7 +80,7 @@ def get_data_source_url(api="onecall", location=None):
         URL += "&lon={}".format(location[1])
     else:
         raise ValueError("Unknown API type: " + api)
-    return URL + "&appid=" + secrets["openweather_token"]
+    return URL + "&appid=" + getenv("openweather_token")
 
 
 def get_latlon(city_name):
@@ -183,18 +195,20 @@ def go_to_sleep(current_time):
 # ===========
 # Location
 # ===========
-if isinstance(secrets["openweather_location"], str):
+openweather_location = getenv("openweather_location")
+is_lat_long = "," in openweather_location
+if openweather_location and not is_lat_long:
     # Get lat/lon using city name
-    city = secrets["openweather_location"]
+    city = openweather_location
     print("Getting lat/lon for city:", city)
     latlon = get_latlon(city)
-elif isinstance(secrets["openweather_location"], tuple):
+elif openweather_location:
     # Get city name using lat/lon
-    latlon = secrets["openweather_location"]
+    latlon = openweather_location.split(",")
     print("Getting city name for lat/lon:", latlon)
     city = get_city(latlon)
 else:
-    raise ValueError("Unknown location:", secrets["openweather_location"])
+    raise ValueError(f"Unknown location:{openweather_location}")
 
 print("City =", city)
 print("Lat/Lon = ", latlon)

MagTag/MagTag_Webb_Telescope_Status/code.py

@@ -4,6 +4,8 @@
 """
 MagTag status display for James Webb Telescope
 """
+
+from os import getenv
 import time
 import json
 import ssl
@@ -18,11 +20,17 @@ import socketpool
 import alarm
 import adafruit_requests
 
-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."
+    )
 
 # Update once per hour
 SLEEP_TIME = 60 * 60  # seconds
@@ -66,7 +74,7 @@ if not TEST_RUN:
     print("Connecting to AP...")
     try:
         # wifi connect
-        wifi.radio.connect(secrets["ssid"], secrets["password"])
+        wifi.radio.connect(ssid, password)
 
         # Create Socket, initialize requests
         socket = socketpool.SocketPool(wifi.radio)

MagTag/MagTag_Webb_Telescope_Status/deprecated_original_version/code.py

@@ -4,6 +4,8 @@
 """
 MagTag status display for James Webb Telescope
 """
+
+from os import getenv
 import time
 import json
 import ssl
@@ -18,11 +20,17 @@ import socketpool
 import alarm
 import adafruit_requests
 
-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."
+    )
 
 # Update once per hour
 SLEEP_TIME = 60 * 60  # seconds
@@ -64,7 +72,7 @@ if not TEST_RUN:
     print("Connecting to AP...")
     try:
         # wifi connect
-        wifi.radio.connect(secrets["ssid"], secrets["password"])
+        wifi.radio.connect(ssid, password)
 
         # Create Socket, initialize requests
         socket = socketpool.SocketPool(wifi.radio)

Matrix_On_Air/code.py

@@ -5,6 +5,7 @@
 # ON AIR sign for YouTube livestreaming
 # Runs on Airlift Metro M4 with 64x32 RGB Matrix display & shield
 
+from os import getenv
 import time
 import board
 import displayio
@@ -15,12 +16,17 @@ from adafruit_bitmap_font import bitmap_font
 from adafruit_matrixportal.network import Network
 from adafruit_matrixportal.matrix import Matrix
 
-# 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
+# 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."
+    )
 
 # Set up where we'll be fetching data from
 # Adafruit YouTube channel:
@@ -32,7 +38,7 @@ DATA_SOURCE = (
     "https://www.googleapis.com/youtube/v3/search?part=snippet&channelId="
     + CHANNEL_ID
     + "&type=video&eventType=live&key="
-    + secrets["youtube_token"]
+    + getenv("youtube_token")
 )
 DATA_LOCATION1 = ["items"]
 

Matrix_Portal/Matrix_Portal_Moon_Clock/code.py

@@ -17,6 +17,8 @@ included in derivative projects, thanks. Tall splash images licensed from
 """
 
 # pylint: disable=import-error
+
+from os import getenv
 import gc
 import time
 import math
@@ -30,11 +32,17 @@ from adafruit_bitmap_font import bitmap_font
 import adafruit_display_text.label
 import adafruit_lis3dh
 
-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."
+    )
 
 # CONFIGURABLE SETTINGS ----------------------------------------------------
 
@@ -61,7 +69,7 @@ HEADERS = { "User-Agent" : "AdafruitMoonClock/1.1 support@adafruit.com" }
 
 def update_system_time():
     """ Update system clock date/time from Adafruit IO. Credentials and time
-        zone are in secrets.py. See http://worldtimeapi.org/api/timezone for
+        zone are in settings.toml. See http://worldtimeapi.org/api/timezone for
         list of time zones. If missing, will attempt using IP geolocation.
         Returns present local (not UTC) time as a struct_time and UTC offset
         as string "sHH:MM". This may throw an exception on get_local_time(),
@@ -271,11 +279,11 @@ NETWORK.connect()
 
 # LATITUDE, LONGITUDE, TIMEZONE are set up once, constant over app lifetime
 
-# Fetch latitude/longitude from secrets.py. If not present, use
+# Fetch latitude/longitude from settings.toml. If not present, use
 # IP geolocation. This only needs to be done once, at startup!
 try:
-    LATITUDE = secrets['latitude']
-    LONGITUDE = secrets['longitude']
+    LATITUDE = getenv('latitude')
+    LONGITUDE = getenv('longitude')
     print('Using stored geolocation: ', LATITUDE, LONGITUDE)
 except KeyError:
     LATITUDE, LONGITUDE = (
@@ -285,7 +293,7 @@ except KeyError:
     print('Using IP geolocation: ', LATITUDE, LONGITUDE)
 
 # Set initial clock time, also fetch initial UTC offset while
-# here (NOT stored in secrets.py as it may change with DST).
+# here (NOT stored in settings.toml as it may change with DST).
 # pylint: disable=bare-except
 try:
     DATETIME_LOCAL_STRUCT, UTC_OFFSET_STRING = update_system_time()
@@ -328,7 +336,7 @@ while True:
     # moon properties are UTC. Convert 'now' to UTC seconds...
     # UTC_OFFSET_STRING is a string, like +HH:MM. Convert to integer seconds:
     hhmm = UTC_OFFSET_STRING.split(':')
-    utc_offset_seconds = ((int(hhmm[0]) * 60 + int(hhmm[1])) * 60)
+    utc_offset_seconds = (int(hhmm[0]) * 60 + int(hhmm[1])) * 60
     NOW_UTC_SECONDS = NOW_LOCAL_SECONDS - utc_offset_seconds
 
     # If PERIOD has expired, move data down and fetch new +24-hour data

Metro_Matrix_Clock/code.py

@@ -5,6 +5,7 @@
 # Metro Matrix Clock
 # Runs on Airlift Metro M4 with 64x32 RGB Matrix display & shield
 
+from os import getenv
 import time
 import board
 import displayio
@@ -17,14 +18,20 @@ from adafruit_matrixportal.matrix import Matrix
 BLINK = True
 DEBUG = False
 
-# 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
+# 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."
+    )
+
 print("    Metro Minimal Clock")
-print("Time will be set for {}".format(secrets["timezone"]))
+print("Time will be set for {}".format(getenv("timezone")))
 
 # --- Display setup ---
 matrix = Matrix()

literary-clock/code.py

@@ -1,6 +1,7 @@
 # SPDX-FileCopyrightText: 2022 Eva Herrada for Adafruit Industries
 # SPDX-License-Identifier: MIT
 
+from os import getenv
 import time
 
 import ssl
@@ -17,6 +18,21 @@ from adafruit_bitmap_font import bitmap_font
 import displayio
 from adafruit_display_shapes.rect import Rect
 
+# 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."
+    )
+
 UTC_OFFSET = -4
 
 quotes = {}
@@ -81,18 +97,9 @@ author_label = label.Label(
 )
 splash.append(author_label)
 
-try:
-    from secrets import secrets
-except ImportError:
-    print("WiFi secrets are kept in secrets.py, please add them there!")
-    raise
-
-aio_username = secrets["aio_username"]
-aio_key = secrets["aio_key"]
-
-print(f"Connecting to {secrets['ssid']}")
-wifi.radio.connect(secrets["ssid"], secrets["password"])
-print(f"Connected to {secrets['ssid']}!")
+print(f"Connecting to {ssid}")
+wifi.radio.connect(ssid, password)
+print(f"Connected to {ssid}!")
 
 
 def get_width(font, text):
@@ -202,8 +209,8 @@ pool = socketpool.SocketPool(wifi.radio)
 mqtt_client = MQTT.MQTT(
     broker="io.adafruit.com",
     port=1883,
-    username=secrets["aio_username"],
-    password=secrets["aio_key"],
+    username=aio_username,
+    password=aio_key,
     socket_pool=pool,
     ssl_context=ssl.create_default_context(),
 )

oshwa_magtag_display/code.py

@@ -2,6 +2,7 @@
 #
 # SPDX-License-Identifier: MIT
 
+from os import getenv
 import random
 import ssl
 import gc
@@ -10,12 +11,17 @@ import socketpool
 import adafruit_requests
 from adafruit_magtag.magtag import MagTag
 
-# 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
+# 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."
+    )
 
 # Initialize magtag object
 magtag = MagTag()
@@ -23,9 +29,9 @@ magtag = MagTag()
 magtag.set_background("bmps/oshwa_full.bmp")
 
 # Set up WiFi
-wifi.radio.connect(secrets["ssid"], secrets["password"])
-print(f"Connected to {secrets['ssid']}!")
-print("My IP address is", wifi.radio.ipv4_address)
+wifi.radio.connect(ssid, password)
+print(f"Connected to {ssid}!")
+print(f"My IP address is {wifi.radio.ipv4_address}")
 
 socket = socketpool.SocketPool(wifi.radio)
 https = adafruit_requests.Session(socket, ssl.create_default_context())