Comments, cleaner config, exit if no token in main.py

main.py

@@ -1,26 +1,30 @@
 from message import get_chat_id
 from monitor import monitor
 import toml
+import sys
 
 
 def load_config():
-    config_path = "config.toml"
-    with open(config_path) as file:
-        config = toml.load(file)
-    if config["chat_id"] == "":
-        chat_id = None
-        while not chat_id:
-            input("Please send a message to the Telegram bot you created. Once done, wait 1 minute then press Enter.")
-            chat_id = get_chat_id(config["token"])
-        config["chat_id"] = chat_id
-        with open(config_path, "w") as file:
-            toml.dump(config, file)
+    config_location = "config.toml"
+    with open(config_location) as file:
+        config = toml.load(file)  # Make a dict of the config values
+
+    if not config["token"]:  # No token supplied
+        sys.exit("Please enter a token in the config file")
+    while not config["chat_id"]:  # Keep trying to find chat id until we get a valid one
+        input("Please send a message to the Telegram bot you created. Once done, wait 1 \
+            minute then press Enter. If it doesn't work, send another message then try \
+            again.")
+        config["chat_id"] = get_chat_id(config["token"])
+
+    with open(config_location, "w") as file:
+        toml.dump(config, file)  # Output new config (to file) with updated chat id
     return config
 
 
 def main():
     config = load_config()
-    monitor(config["path"], config["token"], config["chat_id"])
+    monitor(config)
 
 
 if __name__ == "__main__":