Throw when making a request without properly logging in.

pyemvue/auth.py

@@ -34,6 +34,7 @@ def __init__(
         self.initial_retry_delay = max(initial_retry_delay, 0.5)
         self.max_retry_delay = max(max_retry_delay, 0)
         self.pool_wellknown_jwks = None
+        self.tokens = {}
 
         self._password = None
 
@@ -82,6 +83,9 @@ def get_username(self) -> str:
 
     def request(self, method: str, path: str, **kwargs) -> requests.Response:
         """Make a request."""
+        if not self.tokens or not self.tokens["access_token"]:
+            raise ValueError("Not authenticated. Incorrect username or password?")
+
         dec_access_token = self._decode_token(self.tokens["access_token"])
 
         attempts = 0

tools/charger_test.py

@@ -13,10 +13,14 @@
     password = getpass.getpass("Enter your password: ")
 
     # Log in to PyEmVue
-    vue.login(username=email, password=password, token_storage_file='keys.json')
+    logged_in = vue.login(username=email, password=password, token_storage_file='keys.json')
 else:
     # If keys.json exists, log in using the keys in the file
-    vue.login(token_storage_file='keys.json')
+    logged_in = vue.login(token_storage_file='keys.json')
+
+print("Logged in?", logged_in)
+if not logged_in:
+    raise Exception("Login failed")
 
 # Get the list of chargers
 chargers = vue.get_chargers()

tools/outlet_test.py

@@ -1,10 +1,13 @@
 from pyemvue.pyemvue import PyEmVue
 
 vue = PyEmVue()
-vue.login(token_storage_file='keys.json')
-print('Logged in.')
+logged_in = vue.login(token_storage_file='keys.json')
+print('Logged in?', logged_in)
 print()
 
+if not logged_in:
+    raise Exception('Login failed')
+
 devices = vue.get_devices()
 outlets, chargers = vue.get_devices_status()
 for device in devices: