Fix for #141: Support for multiple garmin users

withings_sync/garmin.py

@@ -7,6 +7,10 @@
 log = logging.getLogger("garmin")
 
 
+HOME = os.getenv('HOME', '.')
+GARMIN_SESSION = os.getenv('GARMIN_SESSION', HOME + '/.garmin_session')
+
+
 class LoginSucceeded(Exception):
     """Used to raise on LoginSucceeded"""
 
@@ -27,8 +31,8 @@ def __init__(self) -> None:
 
     def login(self, email=None, password=None):
         logged_in = False
-        if os.path.exists('./garmin_session'):
-            self.client.load('./garmin_session')
+        if os.path.exists(GARMIN_SESSION):
+            self.client.load(GARMIN_SESSION)
             try:
                 self.client.username
                 logged_in = True
@@ -38,7 +42,7 @@ def login(self, email=None, password=None):
         if not logged_in:
             try:
                 self.client.login(email, password)
-                self.client.dump('./garmin_session')
+                self.client.dump(GARMIN_SESSION)
             except Exception as ex:
                 raise APIException("Authentication failure: {}. Did you enter correct credentials?".format(ex))
 

withings_sync/sync.py

@@ -10,6 +10,11 @@
 from datetime import date, datetime
 from importlib.metadata import version
 
+# Load the environment variables from a .env (dotenv) file.
+# This is done prior to importing other modules such that all variables, 
+# also the ones accessed in those modules, can be set in the dotenv file.
+dotenv.load_dotenv()
+
 from withings_sync.withings2 import WithingsAccount
 from withings_sync.garmin import GarminConnect
 from withings_sync.trainerroad import TrainerRoad
@@ -30,7 +35,6 @@ def load_variable(env_var, secrets_file):
     # value read from the secrets file.
     return os.getenv(env_var, value)
 
-dotenv.load_dotenv()
 
 GARMIN_USERNAME = load_variable('GARMIN_USERNAME', "/run/secrets/garmin_username")
 GARMIN_PASSWORD = load_variable('GARMIN_PASSWORD', "/run/secrets/garmin_password")