secret: parse API_SECRET/TZ if NS_SECRET/TIMEZONE_NAME are missing

Pipfile.lock

@@ -46,11 +46,11 @@
         },
         "charset-normalizer": {
             "hashes": [
-                "sha256:1eecaa09422db5be9e29d7fc65664e6c33bd06f9ced7838578ba40d58bdf3721",
-                "sha256:b0b883e8e874edfdece9c28f314e3dd5badf067342e42fb162203335ae61aa2c"
+                "sha256:876d180e9d7432c5d1dfd4c5d26b72f099d503e8fcc0feb7532c9289be60fcbd",
+                "sha256:cb957888737fc0bbcd78e3df769addb41fd1ff8cf950dc9e7ad7793f1bf44455"
             ],
             "markers": "python_version >= '3'",
-            "version": "==2.0.9"
+            "version": "==2.0.10"
         },
         "idna": {
             "hashes": [

README.md

@@ -41,6 +41,7 @@ The following synchronization feature is disabled by default, but can be enabled
 ## Setup
 
 The following setup instructions assume that you have a Linux, MacOS, or Windows (with WSL) machine that will run the application continuously.
+
 If you've configured Nightscout before, you may be familiar with Heroku. [You can opt to run tconnectsync with Heroku by following these instructions.](https://github.com/jwoglom/tconnectsync-heroku)
 
 **To get started,** you need to choose whether to install the application on your computer via
@@ -67,8 +68,9 @@ TCONNECT_PASSWORD='password'
 # Your pump's serial number (numeric)
 PUMP_SERIAL_NUMBER=11111111
 
-# URL and API secret for Nightscout
+# URL of your Nightscout site
 NS_URL='https://yournightscouturl/'
+# Your Nightscout API_SECRET value
 NS_SECRET='apisecret'
 
 # Current timezone of the pump

tconnectsync/secret.py

@@ -36,6 +36,10 @@ PUMP_SERIAL_NUMBER = get_number('PUMP_SERIAL_NUMBER', '11111111')
 NS_URL = get('NS_URL', 'https://yournightscouturl/')
 NS_SECRET = get('NS_SECRET', 'apisecret')
 
+if not get('NS_SECRET') and get('API_SECRET'):
+    print('API_SECRET environment variable is set, overriding NS_SECRET')
+    NS_SECRET = get('API_SECRET')
+
 TIMEZONE_NAME = get('TIMEZONE_NAME', 'America/New_York')
 
 if not get('TIMEZONE_NAME') and get('TZ'):