removed sensitive info

app.py

@@ -95,13 +95,18 @@ END:VCALENDAR
 # Usage example
 if __name__ == "__main__":
 
+    if len(sys.argv) != 5:
+        print("Usage: python3 app.py <caldav_url> <username> <password> <ra_api_key>")
+        sys.exit(1)
+
+    CALDAV_URL = sys.argv[1]
+    USERNAME = sys.argv[2]
+    PASSWORD = sys.argv[3]
+    RA_API = sys.argv[4]
+
     # CalDAV server details
-    CALDAV_URL = "https://cal.cdnutter.org/dav.php/calendars/cdnutter/qesvjipbzdtcahrz/"
-    USERNAME = "cdnutter"
-    PASSWORD = "ZRGiXtDHP3jvXq0d"
-    JSON_FILE = "https://retroachievements.org/API/API_GetAchievementOfTheWeek.php?&y=oHdON3RERFPnHV1J6Oiax5F85Wkh5Msq"
+    JSON = f"https://retroachievements.org/API/API_GetAchievementOfTheWeek.php?&y={RA_API}"
     response = requests.get(JSON_FILE)
     data = response.json()
 
-    create_calendar_events_from_json(CALDAV_URL, USERNAME, PASSWORD, JSON_FILE)
-    
+    create_calendar_events_from_json(CALDAV_URL, USERNAME, PASSWORD, JSON)